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ldap.conf (5): LDAP configuration file/environment variables
adduser.conf (5): configuration file for adduser(8) and addgroup(8) .
deluser.conf (5): configuration file for deluser(8) and delgroup(8) .
mailcap.order (5): the mailcap ordering specifications
modules (5): kernel modules to load at boot time
30-systemd-environment-d-generator (8): Load variables specified by environm...
apparmor (7): kernel enhancement to confine programs to a limited se...
tc-bpf (8): BPF programmable classifier and actions for ingress/eg...
bpf-helpers (7): list of eBPF helper functions
busybox (1): The Swiss Army Knife of Embedded Linux
Compose (5): X client mappings for multi-key input sequences
Dpkg (3perl): module with core variables
Error (3pm): Error/exception handling in an OO-ish way
_newselect (2): synchronous I/O multiplexing
FD_CLR (3): synchronous I/O multiplexing
FD_ISSET (3): synchronous I/O multiplexing
FD_SET (3): synchronous I/O multiplexing
FD_ZERO (3): synchronous I/O multiplexing
Git (3pm): Perl interface to the Git version control system
gnupg (7): The GNU Privacy Guard suite of programs
HEAD (1p): Simple command line user agent
highlight (1): a universal sourcecode to formatted text converter
mmdf (5): Multi-channel Memorandum Distribution Facility mailbox...
NAN (3): floating-point constants
PAM (7): Pluggable Authentication Modules for Linux
UPower (7): System-wide Power Management
URI (3pm): Uniform Resource Identifiers (absolute and relative)
utf-8 (7): an ASCII compatible multibyte Unicode encoding
wget (1): The non-interactive network downloader.
[ (1): check file types and compare values
_Exit (2): terminate the calling process
__after_morecore_hook (3): malloc debugging variables
__clone2 (2): create a child process
__fbufsize (3): interfaces to stdio FILE structure
__flbf (3): interfaces to stdio FILE structure
__fpending (3): interfaces to stdio FILE structure
__freadable (3): interfaces to stdio FILE structure
__freading (3): interfaces to stdio FILE structure
__free_hook (3): malloc debugging variables
__fsetlocking (3): interfaces to stdio FILE structure
__fwritable (3): interfaces to stdio FILE structure
__fwriting (3): interfaces to stdio FILE structure
__malloc_hook (3): malloc debugging variables
__malloc_initialize_hook (3): malloc debugging variables
__memalign_hook (3): malloc debugging variables
__ppc_get_timebase (3): get the current value of the Time Base Register on P...
__ppc_get_timebase_freq (3): get the current value of the Time Base Register...
__ppc_mdoio (3): Hint the processor to release shared resources
__ppc_mdoom (3): Hint the processor to release shared resources
__ppc_set_ppr_low (3): Set the Program Priority Register
__ppc_set_ppr_med (3): Set the Program Priority Register
__ppc_set_ppr_med_high (3): Set the Program Priority Register
__ppc_set_ppr_med_low (3): Set the Program Priority Register
__ppc_set_ppr_very_low (3): Set the Program Priority Register
__ppc_yield (3): Hint the processor to release shared resources
__realloc_hook (3): malloc debugging variables
__setfpucw (3): set FPU control word on i386 architecture (obsolete)
_exit (2): terminate the calling process
_flushlbf (3): interfaces to stdio FILE structure
_llseek (2): reposition read/write file offset
_syscall (2): invoking a system call without library support (OBSOLETE)
_sysctl (2): read/write system parameters
aa-enabled (1): test whether AppArmor is enabled
aa-exec (1): confine a program with the specified AppArmor profile
aa-remove-unknown (8): remove unknown AppArmor profiles
aa-status (8): display various information about the current AppArmor...
aa-teardown (8): unload all AppArmor profiles
ab (1): Apache HTTP server benchmarking tool
abort (3): cause abnormal process termination
abs (3): compute the absolute value of an integer
accept (2): accept a connection on a socket
accept4 (2): accept a connection on a socket
access (2): check user's permissions for a file
access (5): Postfix SMTP server access table
access.conf (5): the login access control table file
accessdb (8): dumps the content of a man-db database in a human read...
acct (2): switch process accounting on or off
acct (5): process accounting file
acos (3): arc cosine function
acosf (3): arc cosine function
acosh (3): inverse hyperbolic cosine function
acoshf (3): inverse hyperbolic cosine function
acoshl (3): inverse hyperbolic cosine function
acosl (3): arc cosine function
tc-actions (8): independently defined actions in tc
add-apt-repository (1): Adds a repository into the /etc/apt/sources.list or ...
add-shell (8): add shells to the list of valid login shells
add_key (2): add a key to the kernel's key management facility
addgnupghome (8): Create .gnupg home directories
addmntent (3): get filesystem descriptor file entry
addpart (8): tell the kernel about the existence of a partition
addr2line (1): convert addresses into file names and line numbers
address_families (7): socket address families (domains)
addseverity (3): introduce new severity classes
adjtime (3): correct the time to synchronize the system clock
adjtime_config (5): information about hardware clock setting and drift factor
adjtimex (2): tune kernel clock
afs_syscall (2): unimplemented system calls
agetty (8): alternative Linux getty
aio (7): POSIX asynchronous I/O overview
aio_cancel (3): cancel an outstanding asynchronous I/O request
aio_error (3): get error status of asynchronous I/O operation
aio_fsync (3): asynchronous file synchronization
aio_init (3): asynchronous I/O initialization
aio_read (3): asynchronous read
aio_return (3): get return status of asynchronous I/O operation
aio_suspend (3): wait for asynchronous I/O operation or timeout
aio_write (3): asynchronous write
alarm (2): set an alarm clock for delivery of a signal
Algorithm::Diff (3pm): Compute `intelligent' differences between two files /...
Algorithm::Diff::XS (3pm): Algorithm::Diff with XS core loop
Algorithm::DiffOld (3pm): Compute `intelligent' differences between two file...
Algorithm::Merge (3pm): Three-way merge and diff
aliases (5): Postfix local alias database format
aligned_alloc (3): allocate aligned memory
alloca (3): allocate memory that is automatically freed
alphasort (3): scan a directory for matching entries
anvil (8postfix): Postfix session count and request rate control
apparmor.d (5): syntax of security profiles for AppArmor.
apparmor.vim (5): vim syntax highlighting file for AppArmor profiles
apparmor_parser (8): loads AppArmor profiles into the kernel
apparmor_status (8): display various information about the current AppArmor...
apport-bug (1): file a bug report using Apport, or update an existing ...
apport-cli (1): Apport user interfaces for reporting problems
apport-collect (1): file a bug report using Apport, or update an existing ...
apport-unpack (1): extract the fields of a problem report to separate files
apropos (1): search the manual page names and descriptions
apt (8): command-line interface
apt-add-repository (1): Adds a repository into the /etc/apt/sources.list or ...
apt-cdrom (8): APT CD-ROM management utility
apt-config (8): APT Configuration Query program
apt-extracttemplates (1): Utility to extract debconf config and templates fr...
apt-ftparchive (1): Utility to generate index files
apt-get (8): APT package handling utility -- command-line interface
apt-key (8): APT key management utility
apt-mark (8): show, set and unset various settings for a package
apt-patterns (7): Syntax and semantics of apt search patterns
apt-secure (8): Archive authentication support for APT
apt-sortpkgs (1): Utility to sort package index files
apt-transport-http (1): APT transport for downloading via the Hypertext Tran...
apt-transport-https (1): APT transport for downloading via the HTTP Secure p...
apt-transport-mirror (1): APT transport for more automated mirror selection
apt.conf (5): Configuration file for APT
apt_auth.conf (5): Login configuration file for APT sources and proxies
apt_preferences (5): Preference control file for APT
ar (1): create, modify, and extract from archives
arch (1): print machine hardware name (same as uname -m)
arch_prctl (2): set architecture-specific thread state
argz (3): functions to handle an argz list
argz_add (3): functions to handle an argz list
argz_add_sep (3): functions to handle an argz list
argz_append (3): functions to handle an argz list
argz_count (3): functions to handle an argz list
argz_create (3): functions to handle an argz list
argz_create_sep (3): functions to handle an argz list
argz_delete (3): functions to handle an argz list
argz_extract (3): functions to handle an argz list
argz_insert (3): functions to handle an argz list
argz_next (3): functions to handle an argz list
argz_replace (3): functions to handle an argz list
argz_stringify (3): functions to handle an argz list
arm_fadvise (2): predeclare an access pattern for file data
arm_fadvise64_64 (2): predeclare an access pattern for file data
arm_sync_file_range (2): sync a file segment with disk
armscii-8 (7): Armenian character set encoded in octal, decimal, and ...
arp (7): Linux ARP kernel module.
arp (8): manipulate the system ARP cache
arp-fingerprint (1): Fingerprint a system using ARP
arpaname (1): translate IP addresses to the corresponding ARPA names
arptables-nft (8): ARP table administration (nft-based)
ascii (7): ASCII character set encoded in octal, decimal, and hex...
asctime (3): transform date and time to broken-down time or ASCII
asctime_r (3): transform date and time to broken-down time or ASCII
asin (3): arc sine function
asinf (3): arc sine function
asinh (3): inverse hyperbolic sine function
asinhf (3): inverse hyperbolic sine function
asinhl (3): inverse hyperbolic sine function
asinl (3): arc sine function
asn1parse (1ssl): ASN.1 parsing tool
asprintf (3): print to allocated string
assert (3): abort the program if assertion is false
at (1): queue, examine, or delete jobs for later execution
at.allow (5): determine who can submit jobs via at or batch
at.deny (5): determine who can submit jobs via at or batch
atan (3): arc tangent function
atan2 (3): arc tangent function of two variables
atan2f (3): arc tangent function of two variables
atan2l (3): arc tangent function of two variables
atanf (3): arc tangent function
atanh (3): inverse hyperbolic tangent function
atanhf (3): inverse hyperbolic tangent function
atanhl (3): inverse hyperbolic tangent function
atanl (3): arc tangent function
atd (8): run jobs queued for later execution
atexit (3): register a function to be called at normal process ter...
atof (3): convert a string to a double
atoi (3): convert a string to an integer
atol (3): convert a string to an integer
atoll (3): convert a string to an integer
atoq (3): convert a string to an integer
atq (1): queue, examine, or delete jobs for later execution
atrm (1): queue, examine, or delete jobs for later execution
attr (5): Extended attributes
attributes (7): POSIX safety concepts
auth_destroy (3): library routines for remote procedure calls
Authen::SASL (3pm): SASL Authentication framework
Authen::SASL::Perl (3pm): - Perl implementation of the SASL Authentication f...
Authen::SASL::Perl::ANONYMOUS (3pm): Anonymous Authentication class
Authen::SASL::Perl::CRAM_MD5 (3pm): CRAM MD5 Authentication class
Authen::SASL::Perl::DIGEST_MD5 (3pm): Digest MD5 Authentication class
Authen::SASL::Perl::EXTERNAL (3pm): External Authentication class
Authen::SASL::Perl::GSSAPI (3pm): GSSAPI (Kerberosv5) Authentication class
Authen::SASL::Perl::LOGIN (3pm): Login Authentication class
Authen::SASL::Perl::PLAIN (3pm): Plain Login Authentication class
authnone_create (3): library routines for remote procedure calls
authorized_keys (5): OpenSSH daemon
authunix_create (3): library routines for remote procedure calls
authunix_create_default (3): library routines for remote procedure calls
awk (1): pattern scanning and processing language
b2sum (1): compute and check BLAKE2 message digest
backtrace (3): support for application self-debugging
backtrace_symbols (3): support for application self-debugging
backtrace_symbols_fd (3): support for application self-debugging
badblocks (8): search a device for bad blocks
base32 (1): base32 encode/decode data and print to standard output
base64 (1): base64 encode/decode data and print to standard output
basename (1): strip directory and suffix from filenames
bash (1): GNU Bourne-Again SHell
bash-builtins (7): bash built-in commands, see bash(1)
bashbug (1): report a bug in bash
tc-basic (8): basic traffic control filter
batch (1): queue, examine, or delete jobs for later execution
bc (1): An arbitrary precision calculator language
bcache-super-show (8): Print the bcache superblock
bdflush (2): start, flush, or tune buffer-dirty-flush daemon
be16toh (3): convert values between host and big-/little-endian byt...
be32toh (3): convert values between host and big-/little-endian byt...
be64toh (3): convert values between host and big-/little-endian byt...
tc-bfifo (8): Packet limited First In, First Out queue
bind (2): bind a name to a socket
bind_textdomain_codeset (3): set encoding of message translations
bindresvport (3): bind a socket to a privileged IP port
bindtextdomain (3): set directory containing message catalogs
binfmt.d (5): Configure additional binary formats for executables at...
bio (7ssl): Basic I/O abstraction
biosdecode (8): BIOS information decoder
blkdeactivate (8): utility to deactivate block devices
blkdiscard (8): discard sectors on a device
blkid (8): locate/print block device attributes
blkzone (8): run zone command on a device
blockdev (8): call block device ioctls from the command line
body_checks (5): Postfix built-in content inspection
boltctl (1): control the thunderbolt device manager
boltd (8): thunderbolt device managing system daemon
boot (7): System bootup process based on UNIX System V Release 4
bootctl (1): Control the firmware and boot manager settings
bootparam (7): introduction to boot time parameters of the Linux kernel
bounce (5): Postfix bounce message template format
bounce (8postfix): Postfix delivery status reports
break (2): unimplemented system calls
bridge (8): show / manipulate bridge addresses and devices
brk (2): change data segment size
bsd-from (1): print names of those who have sent mail
bsd-write (1): send a message to another user
bsd_signal (3): signal handling with BSD semantics
bsearch (3): binary search of a sorted array
bstring (3): byte string operations
btowc (3): convert single byte to wide character
btrfs (5): topics about the BTRFS filesystem (mount options, supp...
btrfs (8): a toolbox to manage btrfs filesystems
btrfs-balance (8): balance block groups on a btrfs filesystem
btrfs-check (8): check or repair a btrfs filesystem
btrfs-convert (8): convert from ext2/3/4 or reiserfs filesystem to btrfs ...
btrfs-device (8): manage devices of btrfs filesystems
btrfs-filesystem (8): command group that primarily does work on the whole fi...
btrfs-find-root (8): filter to find btrfs root
btrfs-image (8): create/restore an image of the filesystem
btrfs-inspect-internal (8): query various internal information
btrfs-map-logical (8): map btrfs logical extent to physical extent
btrfs-property (8): get/set/list properties for given filesystem object
btrfs-qgroup (8): control the quota group of a btrfs filesystem
btrfs-quota (8): control the global quota status of a btrfs filesystem
btrfs-receive (8): receive subvolumes from send stream
btrfs-replace (8): replace devices managed by btrfs with other device.
btrfs-rescue (8): Recover a damaged btrfs filesystem
btrfs-restore (8): try to restore files from a damaged btrfs filesystem i...
btrfs-scrub (8): scrub btrfs filesystem, verify block checksums
btrfs-select-super (8): overwrite primary superblock with a backup copy
btrfsck (8): check or repair a btrfs filesystem
btrfstune (8): tune various filesystem parameters
builtins (7): bash built-in commands, see bash(1)
Bundle::DBD::Pg (3pm): A bundle to install all DBD::Pg related modules
Bundle::DBI (3pm): A bundle to install DBI and required modules.
bunzip2 (1): a block-sorting file compressor, v1.0.8
busctl (1): Introspect the bus
byobu (1): wrapper script for seeding a user's byobu configuratio...
byobu-config (1): Configuration utility for byobu
byobu-ctrl-a (1): Configure Byobu's ctrl-a behavior
byobu-disable (1): wrapper script for enabling/disabling automatic startu...
byobu-disable-prompt (1): add and remove a nice color prompt to your shell c...
byobu-enable (1): wrapper script for enabling/disabling automatic startu...
byobu-enable-prompt (1): add and remove a nice color prompt to your shell co...
byobu-janitor (1): script for cleaning and upgrading environment after up...
byobu-keybindings (1): toggle on/off Byobu's keybindings
byobu-launcher-install (1): Byobu Launcher installation utility
byobu-launcher-uninstall (1): Byobu Launcher uninstallation utility
byobu-prompt (1): add and remove a nice color prompt to your shell confi...
byobu-quiet (1): Silence all of Byobu's status indicators and eliminate...
byobu-reconnect-sockets (1): Sourcable script that updates GPG_AGENT_INFO an...
byobu-screen (1): Launch byobu with screen as the backend
byobu-select-backend (1): select your default Byobu backend window manager
byobu-select-profile (1): select your Byobu foreground and background colors
byobu-select-session (1): select and connect to a byobu session
byobu-shell (1): Print the message of the day and launch a shell
byobu-silent (1): Silence all of Byobu's status indicators, eliminate th...
byobu-status (1): displays status suitable for printing by the BYOBU_BAC...
byobu-status-detail (1): Wrapper that uses a sensible pager
byobu-tmux (1): Launch byobu with tmux as the backend
byobu-ugraph (1): helper script for notification history graphs
byobu-ulevel (1): helper script for notification level indicators
bzcat (1): decompresses files to stdout
bzcmp (1): compare bzip2 compressed files
bzdiff (1): compare bzip2 compressed files
bzegrep (1): search possibly bzip2 compressed files for a regular e...
bzero (3): zero a byte string
bzexe (1): compress executable files in place
bzfgrep (1): search possibly bzip2 compressed files for a regular e...
bzgrep (1): search possibly bzip2 compressed files for a regular e...
bzip2 (1): a block-sorting file compressor, v1.0.8
bzip2recover (1): recovers data from damaged bzip2 files
bzless (1): file perusal filter for crt viewing of bzip2 compresse...
bzmore (1): file perusal filter for crt viewing of bzip2 compresse...
c++ (1): GNU project C and C++ compiler
c++filt (1): demangle C++ and Java symbols
c89 (1): ANSI (1989) C compiler
c89-gcc (1): ANSI (1989) C compiler
c99 (1): ANSI (1999) C compiler
c99-gcc (1): ANSI (1999) C compiler
c_rehash (1ssl): Create symbolic links to files named by the hash values
ca (1ssl): sample minimal CA application
CA.pl (1ssl): friendlier interface for OpenSSL certificate programs
cache_check (8): validates cache metadata on a device or file.
cache_dump (8): dump cache metadata from device or file to standard ou...
cache_metadata_size (8): Estimate the size of the metadata device needed for...
cache_repair (8): repair cache binary metadata from device/file to devic...
cache_restore (8): restore cache metadata file to device or file.
cache_writeback (8): writeback dirty blocks to the origin device.
cacheflush (2): flush contents of instruction and/or data cache
cacos (3): complex arc cosine
cacosf (3): complex arc cosine
cacosh (3): complex arc hyperbolic cosine
cacoshf (3): complex arc hyperbolic cosine
cacoshl (3): complex arc hyperbolic cosine
cacosl (3): complex arc cosine
tc-cake (8): Common Applications Kept Enhanced (CAKE)
cal (1): displays a calendar and the date of Easter
calendar (1): reminder service
calloc (3): allocate and free dynamic memory
callrpc (3): library routines for remote procedure calls
canonical (5): Postfix canonical table format
canonicalize_file_name (3): return the canonicalized absolute pathname
capabilities (7): overview of Linux capabilities
capability.conf (5): configuration file for the pam_cap module
capget (2): set/get capabilities of thread(s)
capset (2): set/get capabilities of thread(s)
capsh (1): capability shell wrapper
captoinfo (1): convert a termcap description into a terminfo description
casin (3): complex arc sine
casinf (3): complex arc sine
casinh (3): complex arc sine hyperbolic
casinhf (3): complex arc sine hyperbolic
casinhl (3): complex arc sine hyperbolic
casinl (3): complex arc sine
cat (1): concatenate files and print on the standard output
catanh (3): complex arc tangents hyperbolic
catanhf (3): complex arc tangents hyperbolic
catanhl (3): complex arc tangents hyperbolic
catchsegv (1): Catch segmentation faults in programs
cbc_crypt (3): fast DES encryption
tc-cbq-details (8): Class Based Queueing
cbrt (3): cube root function
cbrtf (3): cube root function
cbrtl (3): cube root function
tc-cbs (8): Credit Based Shaper (CBS) Qdisc
cc (1): GNU project C and C++ compiler
cciss (4): HP Smart Array block driver
ccos (3): complex cosine function
ccosf (3): complex cosine function
ccosh (3): complex hyperbolic cosine
ccoshf (3): complex hyperbolic cosine
ccoshl (3): complex hyperbolic cosine
ccosl (3): complex cosine function
ceil (3): ceiling function: smallest integral value not less tha...
ceilf (3): ceiling function: smallest integral value not less tha...
ceill (3): ceiling function: smallest integral value not less tha...
certbot (1): certbot script documentation
cexp (3): complex exponential function
cexpf (3): complex exponential function
cexpl (3): complex exponential function
cfdisk (8): display or manipulate a disk partition table
cfgetispeed (3): get and set terminal attributes, line control, get and...
cfgetospeed (3): get and set terminal attributes, line control, get and...
cfmakeraw (3): get and set terminal attributes, line control, get and...
cfsetispeed (3): get and set terminal attributes, line control, get and...
cfsetospeed (3): get and set terminal attributes, line control, get and...
cfsetspeed (3): get and set terminal attributes, line control, get and...
cgdisk (8): Curses-based GUID partition table (GPT) manipulator
CGI (3pm): Handle Common Gateway Interface requests and responses
CGI::Carp (3pm): CGI routines for writing to the HTTPD (or other) error...
CGI::Cookie (3pm): Interface to HTTP Cookies
CGI::Fast (3pm): CGI Interface for Fast CGI
CGI::HTML::Functions (3pm): Documentation for CGI.pm Legacy HTML Functionality
CGI::Pretty (3pm): module to produce nicely formatted HTML code
CGI::Push (3pm): Simple Interface to Server Push
CGI::Session (3pm): persistent session data in CGI applications
CGI::Session::Driver (3pm): CGI::Session driver specifications
CGI::Session::Driver::db_file (3pm): CGI::Session driver for BerkeleyDB usin...
CGI::Session::Driver::DBI (3pm): Base class for native DBI-related CGI::Sess...
CGI::Session::Driver::file (3pm): Default CGI::Session driver
CGI::Session::Driver::mysql (3pm): CGI::Session driver for MySQL database
CGI::Session::Driver::postgresql (3pm): PostgreSQL driver for CGI::Session
CGI::Session::Driver::sqlite (3pm): CGI::Session driver for SQLite
CGI::Session::ErrorHandler (3pm): error handling routines for CGI::Session
CGI::Session::ID::incr (3pm): CGI::Session ID driver
CGI::Session::ID::md5 (3pm): default CGI::Session ID generator
CGI::Session::ID::static (3pm): CGI::Session ID Driver for generating static...
CGI::Session::Serialize::default (3pm): Default CGI::Session serializer
CGI::Session::Serialize::freezethaw (3pm): serializer for CGI::Session
CGI::Session::Serialize::storable (3pm): Serializer for CGI::Session
CGI::Session::Test::Default (3pm): Run a suite of tests for a given CGI::Ses...
CGI::Session::Tutorial (3pm): Extended CGI::Session manual
CGI::Util (3pm): Internal utilities used by CGI module
tc-cgroup (8): control group based traffic control filter
cgroup_namespaces (7): overview of Linux cgroup namespaces
cgroups (7): Linux control groups
chage (1): change user password expiry information
chardet3 (1): universal character encoding detector
chardetect3 (1): universal character encoding detector
charmap (5): character set description file
charsets (7): character set standards and internationalization
chattr (1): change file attributes on a Linux file system
chcon (1): change file security context
chcpu (8): configure CPUs
chdir (2): change working directory
check-language-support (1): returns the list of missing packages in order to...
check_forensic (8): tool to extract mod_log_forensic output from apache lo...
checkgid (8): checks the gid
chfn (1): change real user name and information
chgpasswd (8): update group passwords in batch mode
chgrp (1): change group ownership
chmem (8): configure memory
chmod (1): change file mode bits
chmod (2): change permissions of a file
choom (1): display and adjust OOM-killer score.
chown (1): change file owner and group
chown (2): change ownership of a file
chown32 (2): change ownership of a file
chpasswd (8): update passwords in batch mode
chroot (2): change root directory
chroot (8): run command or interactive shell with special root dir...
chrt (1): manipulate the real-time attributes of a process
chsh (1): change login shell
chvt (1): change foreground virtual terminal
cidr_table (5): format of Postfix CIDR tables
cimag (3): get imaginary part of a complex number
cimagf (3): get imaginary part of a complex number
cimagl (3): get imaginary part of a complex number
ciphers (1ssl): SSL cipher display and cipher list tool
CIRCLEQ_ENTRY (3): implementations of singly-linked lists, singly-linked ...
CIRCLEQ_HEAD (3): implementations of singly-linked lists, singly-linked ...
CIRCLEQ_INIT (3): implementations of singly-linked lists, singly-linked ...
CIRCLEQ_INSERT_AFTER (3): implementations of singly-linked lists, singly-lin...
CIRCLEQ_INSERT_BEFORE (3): implementations of singly-linked lists, singly-li...
CIRCLEQ_INSERT_HEAD (3): implementations of singly-linked lists, singly-link...
CIRCLEQ_INSERT_TAIL (3): implementations of singly-linked lists, singly-link...
CIRCLEQ_REMOVE (3): implementations of singly-linked lists, singly-linked ...
ckbcomp (1): compile a XKB keyboard description to a keymap suitabl...
cksum (1): checksum and count the bytes in a file
cleanup (8postfix): canonicalize and enqueue Postfix message
clear (1): clear the terminal screen
clearenv (3): clear the environment
clearerr_unlocked (3): nonlocking stdio functions
clnt_broadcast (3): library routines for remote procedure calls
clnt_call (3): library routines for remote procedure calls
clnt_control (3): library routines for remote procedure calls
clnt_create (3): library routines for remote procedure calls
clnt_destroy (3): library routines for remote procedure calls
clnt_freeres (3): library routines for remote procedure calls
clnt_geterr (3): library routines for remote procedure calls
clnt_pcreateerror (3): library routines for remote procedure calls
clnt_perrno (3): library routines for remote procedure calls
clnt_perror (3): library routines for remote procedure calls
clnt_spcreateerror (3): library routines for remote procedure calls
clnt_sperrno (3): library routines for remote procedure calls
clnt_sperror (3): library routines for remote procedure calls
clntraw_create (3): library routines for remote procedure calls
clnttcp_create (3): library routines for remote procedure calls
clntudp_bufcreate (3): library routines for remote procedure calls
clntudp_create (3): library routines for remote procedure calls
clock (3): determine processor time
clock_getcpuclockid (3): obtain ID of a process CPU-time clock
clock_getres (2): clock and time functions
clock_getres (3): clock and time functions
clock_gettime (2): clock and time functions
clock_gettime (3): clock and time functions
clock_nanosleep (2): high-resolution sleep with specifiable clock
clock_settime (2): clock and time functions
clock_settime (3): clock and time functions
clog (3): natural logarithm of a complex number
clog10 (3): base-10 logarithm of a complex number
clog10f (3): base-10 logarithm of a complex number
clog10l (3): base-10 logarithm of a complex number
clog2 (3): base-2 logarithm of a complex number
clog2f (3): base-2 logarithm of a complex number
clog2l (3): base-2 logarithm of a complex number
clogf (3): natural logarithm of a complex number
clogl (3): natural logarithm of a complex number
clone (2): create a child process
clone2 (2): create a child process
clone3 (2): create a child process
close (2): close a file descriptor
closedir (3): close a directory
openproc (3): initialize process information from /proc/
cloud-id (1): Report the canonical cloud-id for this instance
cloud-init (1): Cloud instance initialization
cloud-init-per (1): Run a command with arguments at a specific frequency
cms (1ssl): CMS utility
cmsg (3): access ancillary data
CMSG_ALIGN (3): access ancillary data
CMSG_DATA (3): access ancillary data
CMSG_FIRSTHDR (3): access ancillary data
CMSG_LEN (3): access ancillary data
CMSG_NXTHDR (3): access ancillary data
CMSG_SPACE (3): access ancillary data
tc-codel (8): Controlled-Delay Active Queue Management algorithm
codepage (1): extract a codepage from an MSDOS codepage file
col (1): filter reverse line feeds from input
col1 (1): awk and print a column (based on the name of the progr...
col2 (1): awk and print a column (based on the name of the progr...
col3 (1): awk and print a column (based on the name of the progr...
col4 (1): awk and print a column (based on the name of the progr...
col5 (1): awk and print a column (based on the name of the progr...
col6 (1): awk and print a column (based on the name of the progr...
col7 (1): awk and print a column (based on the name of the progr...
col8 (1): awk and print a column (based on the name of the progr...
col9 (1): awk and print a column (based on the name of the progr...
colcrt (1): filter nroff output for CRT previewing
colrm (1): remove columns from a file
column (1): columnate lists
comm (1): compare two sorted files line by line
common::sense (3pm): save a tree AND a kitten, use common::sense!
complex (7): basics of complex mathematics
compose (1): execute programs via entries in the mailcap file
config (5ssl): OpenSSL CONF library configuration files
confstr (3): get configuration dependent string variables
connect (2): initiate a connection on a socket
tc-connmark (8): netfilter connmark retriever action
console-setup (5): configuration file for setupcon
console_codes (4): Linux console escape and control sequences
console_ioctl (4): ioctls for console terminal and virtual consoles
copy_file_range (2): Copy a range of data from one file to another
copysign (3): copy sign of a number
copysignf (3): copy sign of a number
copysignl (3): copy sign of a number
core (5): core dump file
corelist (1): a commandline frontend to Module::CoreList
cos (3): cosine function
cosf (3): cosine function
cosh (3): hyperbolic cosine function
coshf (3): hyperbolic cosine function
coshl (3): hyperbolic cosine function
cosl (3): cosine function
cp (1): copy files and directories
cp1251 (7): CP 1251 character set encoded in octal, decimal, and h...
cp1252 (7): CP 1252 character set encoded in octal, decimal, and h...
cpan (1): easily interact with CPAN from the command line
cpan5.30-x86_64-linux-gnu (1): easily interact with CPAN from the command line
cpgr (8): copy with locking the given file to the password or gr...
cpio (1): copy files to and from archives
cpow (3): complex power function
cpowf (3): complex power function
cpowl (3): complex power function
cppw (8): copy with locking the given file to the password or gr...
cproj (3): project into Riemann Sphere
cprojf (3): project into Riemann Sphere
cprojl (3): project into Riemann Sphere
CPU_ALLOC (3): macros for manipulating CPU sets
CPU_ALLOC_SIZE (3): macros for manipulating CPU sets
CPU_AND (3): macros for manipulating CPU sets
CPU_AND_S (3): macros for manipulating CPU sets
CPU_CLR (3): macros for manipulating CPU sets
CPU_CLR_S (3): macros for manipulating CPU sets
CPU_COUNT (3): macros for manipulating CPU sets
CPU_COUNT_S (3): macros for manipulating CPU sets
CPU_EQUAL (3): macros for manipulating CPU sets
CPU_EQUAL_S (3): macros for manipulating CPU sets
CPU_FREE (3): macros for manipulating CPU sets
CPU_ISSET (3): macros for manipulating CPU sets
CPU_ISSET_S (3): macros for manipulating CPU sets
CPU_OR (3): macros for manipulating CPU sets
CPU_OR_S (3): macros for manipulating CPU sets
CPU_SET (3): macros for manipulating CPU sets
CPU_SET_S (3): macros for manipulating CPU sets
CPU_XOR (3): macros for manipulating CPU sets
CPU_XOR_S (3): macros for manipulating CPU sets
CPU_ZERO (3): macros for manipulating CPU sets
CPU_ZERO_S (3): macros for manipulating CPU sets
cpuid (4): x86 CPUID access device
cpuset (7): confine processes to processor and memory node subsets
crda (8): send to the kernel a wireless regulatory domain for a ...
creat (2): open and possibly create a file
credentials (7): process identifiers
crl (1ssl): CRL utility
crl2pkcs7 (1ssl): Create a PKCS#7 structure from a CRL and certificates
cron (8): daemon to execute scheduled commands (Vixie Cron)
crontab (1): maintain crontab files for individual users (Vixie Cron)
crontab (5): tables for driving cron
crypt (3): passphrase hashing
crypt (5): storage format for hashed passphrases and available ha...
crypt_checksalt (3): validate a crypt setting string
crypt_gensalt (3): encode settings for passphrase hashing
crypt_gensalt_ra (3): encode settings for passphrase hashing
crypt_gensalt_rn (3): encode settings for passphrase hashing
crypt_preferred_method (3): get the prefix of the preferred hash method
crypt_r (3): passphrase hashing
crypt_ra (3): passphrase hashing
crypt_rn (3): passphrase hashing
cryptdisks_start (8): wrapper around cryptsetup that parses /etc/crypttab.
cryptdisks_stop (8): wrapper around cryptsetup that parses /etc/crypttab.
crypto (7ssl): OpenSSL cryptographic library
cryptsetup (8): manage plain dm-crypt and LUKS encrypted volumes
cryptsetup-reencrypt (8): tool for offline LUKS device re-encryption
crypttab (5): static information about encrypted filesystems
csin (3): complex sine function
csinf (3): complex sine function
csinh (3): complex hyperbolic sine
csinhf (3): complex hyperbolic sine
csinhl (3): complex hyperbolic sine
csinl (3): complex sine function
csplit (1): split a file into sections determined by context lines
tc-csum (8): checksum update action
ct (7ssl): Certificate Transparency
ctail (1): watch and colorize a logfile
ctan (3): complex tangent function
ctanf (3): complex tangent function
ctanh (3): complex hyperbolic tangent
ctanhf (3): complex hyperbolic tangent
ctanhl (3): complex hyperbolic tangent
ctanl (3): complex tangent function
ctermid (3): get controlling terminal name
ctime (3): transform date and time to broken-down time or ASCII
ctime_r (3): transform date and time to broken-down time or ASCII
tc-ctinfo (8): tc connmark processing action
ctrlaltdel (8): set the function of the Ctrl-Alt-Del combination
ctstat (8): unified linux network statistics
cuserid (3): get username
cut (1): remove sections from each line of files
cvtsudoers (1): convert between sudoers file formats
daemon (3): run in the background
daemon (7): Writing and packaging system daemons
dash (1): command interpreter (shell)
Data::Dump (3pm): Pretty printing of data structures
Data::Dump::Filtered (3pm): Pretty printing with filtering
Data::Dump::Trace (3pm): Helpers to trace function and method calls
date (1): print or set the system date and time
Date::Format (3pm): Date formating subroutines
Date::Language (3pm): Language specific date formating and parsing
Date::Language::Bulgarian (3pm): localization for Date::Format
Date::Language::Hungarian (3pm): Magyar format for Date::Format
Date::Parse (3pm): Parse date strings into time values
daylight (3): initialize time conversion information
DBD::DBM (3pm): a DBI driver for DBM & MLDBM files
DBD::File (3pm): Base class for writing file based DBI drivers
DBD::File::Developers (3pm): Developers documentation for DBD::File
DBD::File::HowTo (3pm): Guide to create DBD::File based driver
DBD::File::Roadmap (3pm): Planned Enhancements for DBD::File and pure Perl D...
DBD::Gofer (3pm): A stateless-proxy driver for communicating with a remo...
DBD::Gofer::Policy::Base (3pm): Base class for DBD::Gofer policies
DBD::Gofer::Policy::classic (3pm): The 'classic' policy for DBD::Gofer
DBD::Gofer::Policy::pedantic (3pm): The 'pedantic' policy for DBD::Gofer
DBD::Gofer::Policy::rush (3pm): The 'rush' policy for DBD::Gofer
DBD::Gofer::Transport::Base (3pm): base class for DBD::Gofer client transports
DBD::Gofer::Transport::null (3pm): DBD::Gofer client transport for testing
DBD::Gofer::Transport::pipeone (3pm): DBD::Gofer client transport for testing
DBD::Gofer::Transport::stream (3pm): DBD::Gofer transport for stdio streaming
DBD::Mem (3pm): a DBI driver for Mem & MLMem files
DBD::Pg (3pm): PostgreSQL database driver for the DBI module
DBD::Proxy (3pm): A proxy driver for the DBI
DBD::Sponge (3pm): Create a DBI statement handle from Perl data
DBI (3pm): Database independent interface for Perl
DBI::Const::GetInfo::ANSI (3pm): ISO/IEC SQL/CLI Constants for GetInfo
DBI::Const::GetInfo::ODBC (3pm): ODBC Constants for GetInfo
DBI::Const::GetInfoReturn (3pm): Data and functions for describing GetInfo r...
DBI::Const::GetInfoType (3pm): Data describing GetInfo type codes
DBI::DBD (3pm): Perl DBI Database Driver Writer's Guide
DBI::DBD::Metadata (3pm): Generate the code and data for some DBI metadata m...
DBI::DBD::SqlEngine (3pm): Base class for DBI drivers without their own SQL ...
DBI::DBD::SqlEngine::Developers (3pm): Developers documentation for DBI::DBD...
DBI::DBD::SqlEngine::HowTo (3pm): Guide to create DBI::DBD::SqlEngine based ...
DBI::Gofer::Execute (3pm): Executes Gofer requests and returns Gofer responses
DBI::Gofer::Request (3pm): Encapsulate a request from DBD::Gofer to DBI::Gof...
DBI::Gofer::Response (3pm): Encapsulate a response from DBI::Gofer::Execute ...
DBI::Gofer::Serializer::Base (3pm): base class for Gofer serialization
DBI::Gofer::Serializer::DataDumper (3pm): Gofer serialization using DataDumper
DBI::Gofer::Serializer::Storable (3pm): Gofer serialization using Storable
DBI::Gofer::Transport::Base (3pm): Base class for Gofer transports
DBI::Gofer::Transport::pipeone (3pm): DBD::Gofer server-side transport for p...
DBI::Gofer::Transport::stream (3pm): DBD::Gofer server-side transport for st...
DBI::Profile (3pm): Performance profiling and benchmarking for the DBI
DBI::ProfileData (3pm): manipulate DBI::ProfileDumper data dumps
DBI::ProfileDumper (3pm): profile DBI usage and output data to a file
DBI::ProfileDumper::Apache (3pm): capture DBI profiling data from Apache/mod...
DBI::ProfileSubs (3pm): Subroutines for dynamic profile Path
DBI::ProxyServer (3pm): a server for the DBD::Proxy driver
DBI::PurePerl (3pm): - a DBI emulation using pure perl (no C/XS compilation...
DBI::SQL::Nano (3pm): a very tiny SQL engine
DBI::Util::CacheMemory (3pm): a very fast but very minimal subset of Cache::...
DBI::W32ODBC (3pm): An experimental DBI emulation layer for Win32::ODBC
dbilogstrip (1p): filter to normalize DBI trace logs for diff'ing
dbiprof (1p): command-line client for DBI::ProfileData
dbiproxy (1p): A proxy server for the DBD::Proxy driver
dbus-cleanup-sockets (1): clean up leftover sockets in a directory
dbus-monitor (1): debug probe to print message bus messages
dbus-run-session (1): start a process as a new D-Bus session
dbus-update-activation-environment (1): update environment used for D-Bus se...
dbus-uuidgen (1): Utility to generate UUIDs
dconf-service (1): D-Bus service for writes to the dconf database
dd (1): convert and copy a file
ddns-confgen (8): ddns key generation tool
ddp (7): Linux AppleTalk protocol implementation
deallocvt (1): deallocate unused virtual consoles
deb (5): Debian binary package format
deb-buildinfo (5): Debian build information file format
deb-changelog (5): dpkg source packages' changelog file format
deb-changes (5): Debian changes file format
deb-conffiles (5): package conffiles
deb-control (5): Debian binary packages' master control file format
deb-extra-override (5): Debian archive extra override file
deb-old (5): old style Debian binary package format
deb-origin (5): Vendor-specific information files
deb-override (5): Debian archive override file
deb-postinst (5): package post-installation maintainer script
deb-postrm (5): package post-removal maintainer script
deb-preinst (5): package pre-installation maintainer script
deb-prerm (5): package pre-removal maintainer script
deb-shlibs (5): Debian shared library information file
deb-split (5): Debian multi-part binary package format
deb-src-control (5): Debian source packages' master control file format
deb-src-files (5): Debian distribute files format
deb-src-rules (5): Debian source package rules file
deb-substvars (5): Debian source substitution variables
deb-symbols (5): Debian's extended shared library information file
deb-systemd-helper (1p): subset of systemctl for machines not running systemd
deb-systemd-invoke (1p): wrapper around systemctl, respecting policy-rc.d
deb-triggers (5): package triggers
deb-version (7): Debian package version number format
deb822 (5): Debian RFC822 control data format
debconf (1): run a debconf-using program
debconf-apt-progress (1): install packages using debconf to display a progre...
debconf-communicate (1): communicate with debconf
debconf-escape (1): helper when working with debconf's escape capability
debconf-set-selections (1): insert new values into the debconf database
debian-distro-info (1): provides information about Debian's distributions
DebianNet (3): create, remove, enable or disable entry in /etc/inetd.
debugfs (8): ext2/ext3/ext4 file system debugger
defer (8postfix): Postfix delivery status reports
defined (3): a library for working with MaxMind DB files
delpart (8): tell the kernel to forget about a partition
delv (1): DNS lookup and validation utility
depmod (8): Generate modules.dep and map files.
depmod.d (5): Configuration directory for depmod
des_crypt (3): fast DES encryption
DES_FAILED (3): fast DES encryption
des_modes (7ssl): the variants of DES and other crypto algorithms of Ope...
des_setparity (3): fast DES encryption
devlink (8): Devlink tool
devlink-dev (8): devlink device configuration
devlink-health (8): devlink health reporting and recovery
devlink-monitor (8): state monitoring
devlink-port (8): devlink port configuration
devlink-region (8): devlink address region access
devlink-resource (8): devlink device resource configuration
devlink-sb (8): devlink shared buffer configuration
devlink-trap (8): devlink trap configuration
df (1): report file system disk space usage
dgst (1ssl): perform digest operations
dh_bash-completion (1): install bash completions for package
dh_perl_dbi (1): add dependencies required for DBI modules
dh_perl_openssl (1): add dependencies required for OpenSSL modules
dh_python2 (1): calculates Python dependencies, adds maintainer script...
dhclient (8): Dynamic Host Configuration Protocol Client
dhclient-script (8): DHCP client network configuration script
dhclient.conf (5): DHCP client configuration file
dhclient.leases (5): DHCP client lease database
dhcp-eval (5): ISC DHCP conditional evaluation
dhcp-options (5): Dynamic Host Configuration Protocol options
dhparam (1ssl): DH parameter manipulation and generation
splain (1): produce verbose warning diagnostics
diff (1): (unknown subject)
diff3 (1): (unknown subject)
difftime (3): calculate time difference
dig (1): DNS lookup utility
dir (1): list directory contents
dir_colors (5): configuration file for dircolors(1)
dircolors (1): color setup for ls
dirfd (3): get directory stream file descriptor
dirmngr (8): CRL and OCSP daemon
dirmngr-client (1): Tool to access the Dirmngr services
dirname (1): strip last component from file name
dirname (3): parse pathname components
discard (8postfix): Postfix discard mail delivery agent
distro-info (1): provides information about the distributions' releases
div (3): compute quotient and remainder of an integer division
dl_iterate_phdr (3): walk through list of shared objects
dladdr (3): translate address to symbolic information
dladdr1 (3): translate address to symbolic information
dlerror (3): obtain error diagnostic for functions in the dlopen API
dlinfo (3): obtain information about a dynamically loaded object
dlsym (3): obtain address of a symbol in a shared object or execu...
dlvsym (3): obtain address of a symbol in a shared object or execu...
dmesg (1): print or control the kernel ring buffer
dmeventd (8): Device-mapper event daemon
dmidecode (8): DMI table decoder
dmmp_context_log_func_set (3): Set log handler function.
dmmp_context_log_priority_get (3): Get log priority.
dmmp_context_log_priority_set (3): Set log priority.
dmmp_context_timeout_get (3): Get IPC timeout.
dmmp_context_timeout_set (3): Set IPC timeout.
dmmp_context_userdata_get (3): Get user data pointer.
dmmp_context_userdata_set (3): Set user data pointer.
dmmp_flush_mpath (3): Flush specified multipath device map if unused.
dmmp_last_error_msg (3): Retrieves the last error message.
dmmp_log_priority_str (3): Convert log priority to string.
dmmp_mpath_array_free (3): Free 'struct dmmp_mpath' pointer array.
dmmp_mpath_array_get (3): Query all existing multipath devices.
dmmp_mpath_kdev_name_get (3): Retrieve kernel DEVNAME of certain mpath.
dmmp_mpath_name_get (3): Retrieve name(alias) of certain mpath.
dmmp_mpath_wwid_get (3): Retrieve WWID of certain mpath.
dmmp_path_array_get (3): Retrieve path pointer array.
dmmp_path_blk_name_get (3): Retrieve block name.
dmmp_path_group_array_get (3): Retrieve path groups pointer array.
dmmp_path_group_id_get (3): Retrieve path group ID.
dmmp_path_group_priority_get (3): Retrieve path group priority.
dmmp_path_group_selector_get (3): Retrieve path group selector.
dmmp_path_group_status_get (3): Retrieve path group status.
dmmp_path_group_status_str (3): Convert path group status to string.
dmmp_path_status_get (3): Retrieve the path status.
dmmp_path_status_str (3): Convert path status to string.
dmmp_reconfig (3): Instruct multipathd daemon to do reconfiguration.
dmmp_strerror (3): Convert error code to string.
dmsetup (8): low level logical volume management
dmstats (8): device-mapper statistics management
dn_comp (3): resolver routines
dn_expand (3): resolver routines
dnsblog (8postfix): Postfix DNS white/blacklist logger
dnsdomainname (1): show the system's DNS domain name
dnssec-cds (1): change DS records for a child zone based on CDS/CDNSKEY
dnssec-dsfromkey (1): DNSSEC DS RR generation tool
dnssec-importkey (1): import DNSKEY records from external systems so they ca...
dnssec-keyfromlabel (1): DNSSEC key generation tool
dnssec-keygen (1): DNSSEC key generation tool
dnssec-revoke (1): set the REVOKED bit on a DNSSEC key
dnssec-settime (1): set the key timing metadata for a DNSSEC key
dnssec-signzone (1): DNSSEC zone signing tool
dnssec-trust-anchors.d (5): DNSSEC trust anchor configuration files
dnssec-verify (1): DNSSEC zone verification tool
do-release-upgrade (8): upgrade operating system to latest release
domainname (1): show or set the system's NIS/YP domain name
dosfsck (8): check and repair MS-DOS filesystems
dosfslabel (8): set or get MS-DOS filesystem label
dpkg (1): package manager for Debian
dpkg-architecture (1): set and determine the architecture for package building
dpkg-buildflags (1): returns build flags to use during package build
dpkg-buildpackage (1): build binary or source packages from sources
dpkg-checkbuilddeps (1): check build dependencies and conflicts
dpkg-deb (1): Debian package archive (.deb) manipulation tool
dpkg-distaddfile (1): add entries to debian/files
dpkg-divert (1): override a package's version of a file
dpkg-genbuildinfo (1): generate Debian .buildinfo files
dpkg-genchanges (1): generate Debian .changes files
dpkg-gencontrol (1): generate Debian control files
dpkg-gensymbols (1): generate symbols files (shared library dependency info...
dpkg-maintscript-helper (1): works around known dpkg limitations in maintain...
dpkg-mergechangelogs (1): 3-way merge of debian/changelog files
dpkg-name (1): rename Debian packages to full package names
dpkg-parsechangelog (1): parse Debian changelog files
dpkg-preconfigure (8): let packages ask questions prior to their installation
dpkg-reconfigure (8): reconfigure an already installed package
dpkg-scanpackages (1): create Packages index files
dpkg-scansources (1): create Sources index files
dpkg-shlibdeps (1): generate shared library substvar dependencies
dpkg-source (1): Debian source package (.dsc) manipulation tool
dpkg-split (1): Debian package archive split/join tool
dpkg-statoverride (1): override ownership and mode of files
dpkg-trigger (1): a package trigger utility
dpkg-vendor (1): queries information about distribution vendors
dpkg.cfg (5): dpkg configuration file
Dpkg::Arch (3perl): handle architectures
Dpkg::Build::Env (3perl): track build environment
Dpkg::Build::Info (3perl): handle build information
Dpkg::Build::Types (3perl): track build types
Dpkg::BuildFlags (3perl): query build flags
Dpkg::BuildOptions (3perl): parse and update build options
Dpkg::BuildProfiles (3perl): handle build profiles
Dpkg::Changelog (3perl): base class to implement a changelog parser
Dpkg::Changelog::Debian (3perl): parse Debian changelogs
Dpkg::Changelog::Entry::Debian (3perl): represents a Debian changelog entry
Dpkg::Changelog::Parse (3perl): generic changelog parser for dpkg-parsechang...
Dpkg::Checksums (3perl): generate and manipulate file checksums
Dpkg::Compression (3perl): simple database of available compression methods
Dpkg::Compression::FileHandle (3perl): object dealing transparently with fil...
Dpkg::Compression::Process (3perl): run compression/decompression processes
Dpkg::Conf (3perl): parse dpkg configuration files
Dpkg::Control (3perl): parse and manipulate official control-like information
Dpkg::Control::Changelog (3perl): represent info fields output by dpkg-parse...
Dpkg::Control::Fields (3perl): manage (list of official) control fields
Dpkg::Control::FieldsCore (3perl): manage (list of official) control fields
Dpkg::Control::Hash (3perl): parse and manipulate a block of RFC822-like fields
Dpkg::Control::HashCore (3perl): parse and manipulate a block of RFC822-like...
Dpkg::Control::Info (3perl): parse files like debian/control
Dpkg::Control::Tests (3perl): parse files like debian/tests/control
Dpkg::Control::Tests::Entry (3perl): represents a test suite entry
Dpkg::Deps (3perl): parse and manipulate dependencies of Debian packages
Dpkg::Deps::AND (3perl): list of AND dependencies
Dpkg::Deps::KnownFacts (3perl): list of installed real and virtual packages
Dpkg::Deps::Multiple (3perl): base module to represent multiple dependencies
Dpkg::Deps::OR (3perl): list of OR dependencies
Dpkg::Deps::Simple (3perl): represents a single dependency statement
Dpkg::Deps::Union (3perl): list of unrelated dependencies
Dpkg::Exit (3perl): program exit handlers
Dpkg::Gettext (3perl): convenience wrapper around Locale::gettext
Dpkg::Index (3perl): generic index of control information
Dpkg::Interface::Storable (3perl): common methods related to object serializ...
Dpkg::IPC (3perl): helper functions for IPC
Dpkg::Path (3perl): some common path handling functions
Dpkg::Source::Format (3perl): manipulate debian/source/format files
Dpkg::Source::Package (3perl): manipulate Debian source packages
Dpkg::Substvars (3perl): handle variable substitution in strings
Dpkg::Vendor (3perl): get access to some vendor specific information
Dpkg::Vendor::Debian (3perl): Debian vendor object
Dpkg::Version (3perl): handling and comparing dpkg-style version numbers
dprintf (3): formatted output conversion
drand48 (3): generate uniformly distributed pseudo-random numbers
drand48_r (3): generate uniformly distributed pseudo-random numbers r...
drem (3): floating-point remainder function
dremf (3): floating-point remainder function
dreml (3): floating-point remainder function
tc-drr (8): deficit round robin scheduler
dsa (1ssl): DSA key processing
dsaparam (1ssl): DSA parameter manipulation and generation
dsc (5): Debian source packages' control file format
dsp56k (4): DSP56001 interface device
du (1): estimate file space usage
dumpe2fs (8): dump ext2/ext3/ext4 filesystem information
dumpkeys (1): dump keyboard translation tables
dup (2): duplicate a file descriptor
dup2 (2): duplicate a file descriptor
dup3 (2): duplicate a file descriptor
duplocale (3): duplicate a locale object
dwp (1): The DWARF packaging utility
dysize (3): get number of days for a given year
e2freefrag (8): report free space fragmentation information
e2fsck (8): check a Linux ext2/ext3/ext4 file system
e2fsck.conf (5): Configuration file for e2fsck
e2image (8): Save critical ext2/ext3/ext4 filesystem metadata to a ...
e2label (8): Change the label on an ext2/ext3/ext4 filesystem
e2mmpstatus (8): Check MMP status of an ext4 filesystem
e2scrub (8): check the contents of a mounted ext[234] filesystem
e2scrub_all (8): check all mounted ext[234] filesystems for errors.
e2undo (8): Replay an undo log for an ext2/ext3/ext4 filesystem
e4crypt (8): ext4 filesystem encryption utility
e4defrag (8): online defragmenter for ext4 filesystem
eaccess (3): check effective user's permissions for a file
eatmydata (1): transparently disable fsync() and other data-to-disk s...
ebtables-nft (8): Ethernet bridge frame table administration (nft-based)
ebtables-nft-restore (8): iptables using nftables kernel api
ebtables-nft-save (8): iptables using nftables kernel api
ec (1ssl): EC key processing
ecb_crypt (3): fast DES encryption
echo (1): display a line of text
ecparam (1ssl): EC parameter manipulation and generation
ecvt (3): convert a floating-point number to a string
ecvt_r (3): convert a floating-point number to a string
ed (1): line-oriented text editor
edit (1): execute programs via entries in the mailcap file
editline (7edit): line editing user interface
editor (1): Nano's ANOther editor, inspired by Pico
editrc (5edit): configuration file for editline library
egrep (1): print lines that match patterns
eject (1): eject removable media
elf (5): format of Executable and Linking Format (ELF) files
elfedit (1): update ELF header and program property of ELF files
tc-ematch (8): extended matches for use with "basic", "cgroup" or "fl...
enc (1ssl): symmetric cipher routines
encguess (1): guess character encodings of files
Encode::Locale (3pm): Determine the locale encoding
encrypt (3): encrypt 64-bit messages
encrypt_r (3): encrypt 64-bit messages
endaliasent (3): read an alias entry
endfsent (3): handle fstab entries
endgrent (3): get group file entry
endian (3): convert values between host and big-/little-endian byt...
endmntent (3): get filesystem descriptor file entry
endnetgrent (3): handle network group entries
endpwent (3): get password file entry
endservent (3): get service entry
endspent (3): get shadow password file entry
endttyent (3): get ttys file entry
endusershell (3): get permitted user shells
endutent (3): access utmp file entries
endutxent (3): access utmp file entries
engine (1ssl): load and query engines
env (1): run a program in a modified environment
environ (7): user environment
pam_env.conf (5): the environment variables config files
environment.d (5): Definition of user session environment
envsubst (1): substitutes environment variables in shell format strings
envz (3): environment string support
envz_add (3): environment string support
envz_entry (3): environment string support
envz_get (3): environment string support
envz_merge (3): environment string support
envz_remove (3): environment string support
envz_strip (3): environment string support
epoll (7): I/O event notification facility
epoll_create (2): open an epoll file descriptor
epoll_create1 (2): open an epoll file descriptor
epoll_ctl (2): control interface for an epoll file descriptor
epoll_pwait (2): wait for an I/O event on an epoll file descriptor
epoll_wait (2): wait for an I/O event on an epoll file descriptor
eqn (1): format equations for troff or MathML
era_check (8): validate era metadata on device or file.
era_dump (8): dump era metadata from device or file to standard output.
era_invalidate (8): Provide a list of blocks that have changed since a par...
era_restore (8): restore era metadata file to device or file.
erand48 (3): generate uniformly distributed pseudo-random numbers
erand48_r (3): generate uniformly distributed pseudo-random numbers r...
erf (3): error function
erfc (3): complementary error function
erfcf (3): complementary error function
erfcl (3): complementary error function
erff (3): error function
erfl (3): error function
error (3): glibc error reporting functions
error (8postfix): Postfix error/retry mail delivery agent
Error::Simple (3pm): the simple error sub-class of Error
error_at_line (3): glibc error reporting functions
error_message_count (3): glibc error reporting functions
error_one_per_line (3): glibc error reporting functions
error_print_progname (3): glibc error reporting functions
tc-etf (8): Earliest TxTime First (ETF) Qdisc
ether_aton (3): Ethernet address manipulation routines
ether_aton_r (3): Ethernet address manipulation routines
ether_hostton (3): Ethernet address manipulation routines
ether_line (3): Ethernet address manipulation routines
ether_ntoa (3): Ethernet address manipulation routines
ether_ntoa_r (3): Ethernet address manipulation routines
ether_ntohost (3): Ethernet address manipulation routines
ethers (5): Ethernet address to IP number database
ethtool (8): query or control network driver and hardware settings
euidaccess (3): check effective user's permissions for a file
eventfd (2): create a file descriptor for event notification
eventfd2 (2): create a file descriptor for event notification
eventfd_read (3): create a file descriptor for event notification
eventfd_write (3): create a file descriptor for event notification
evp (7ssl): high-level cryptographic functions
ex (1): Vi IMproved, a programmer's text editor
exec (3): execute a file
execl (3): execute a file
execle (3): execute a file
execlp (3): execute a file
execv (3): execute a file
execveat (2): execute program relative to a directory file descriptor
execvp (3): execute a file
execvpe (3): execute a file
exit (2): terminate the calling process
exit (3): cause normal process termination
exit_group (2): exit all threads in a process
exp (3): base-e exponential function
exp10 (3): base-10 exponential function
exp10f (3): base-10 exponential function
exp10l (3): base-10 exponential function
exp2 (3): base-2 exponential function
exp2f (3): base-2 exponential function
exp2l (3): base-2 exponential function
expf (3): base-e exponential function
expiry (1): check and enforce password expiration policy
expl (3): base-e exponential function
explicit_bzero (3): zero a byte string
expm1 (3): exponential minus 1
expm1f (3): exponential minus 1
expm1l (3): exponential minus 1
expr (1): evaluate expressions
ext2 (5): the second extended file system
ext3 (5): the third extended file system
ext4 (5): the fourth extended file system
fabs (3): absolute value of floating-point number
fabsf (3): absolute value of floating-point number
fabsl (3): absolute value of floating-point number
faccessat (2): check user's permissions for a file
fadvise64 (2): predeclare an access pattern for file data
fadvise64_64 (2): predeclare an access pattern for file data
faillock (8): Tool for displaying and modifying the authentication f...
faillock.conf (5): pam_faillock configuration file
faillog (5): login failure logging file
faillog (8): display faillog records or set login failure limits
faked (1): daemon that remembers fake ownership/permissions of fi...
faked-sysv (1): daemon that remembers fake ownership/permissions of fi...
faked-tcp (1): daemon that remembers fake ownership/permissions of fi...
fakeroot (1): run a command in an environment faking root privileges...
fakeroot-sysv (1): run a command in an environment faking root privileges...
fakeroot-tcp (1): run a command in an environment faking root privileges...
fallocate (1): preallocate or deallocate space to a file
fallocate (2): manipulate file space
false (1): do nothing, unsuccessfully
fanotify (7): monitoring filesystem events
fanotify_init (2): create and initialize fanotify group
fanotify_mark (2): add, remove, or modify an fanotify mark on a filesyste...
fatlabel (8): set or get MS-DOS filesystem label
fattach (2): unimplemented system calls
FCGI (3pm): Fast CGI module
fcgistarter (8): Start a FastCGI program
fchdir (2): change working directory
fchmod (2): change permissions of a file
fchmodat (2): change permissions of a file
fchown (2): change ownership of a file
fchown32 (2): change ownership of a file
fchownat (2): change ownership of a file
fcntl (2): manipulate file descriptor
fcntl64 (2): manipulate file descriptor
fcvt (3): convert a floating-point number to a string
fcvt_r (3): convert a floating-point number to a string
fdatasync (2): synchronize a file's in-core state with storage device
fdetach (2): unimplemented system calls
fdformat (8): low-level format a floppy disk
fdim (3): positive difference
fdimf (3): positive difference
fdiml (3): positive difference
fdisk (8): manipulate disk partition table
fdopen (3): stream open functions
fdopendir (3): open a directory
feclearexcept (3): floating-point rounding and exception handling
fedisableexcept (3): floating-point rounding and exception handling
feenableexcept (3): floating-point rounding and exception handling
fegetenv (3): floating-point rounding and exception handling
fegetexcept (3): floating-point rounding and exception handling
fegetexceptflag (3): floating-point rounding and exception handling
fegetround (3): floating-point rounding and exception handling
feholdexcept (3): floating-point rounding and exception handling
fenv (3): floating-point rounding and exception handling
feof_unlocked (3): nonlocking stdio functions
feraiseexcept (3): floating-point rounding and exception handling
ferror_unlocked (3): nonlocking stdio functions
fesetenv (3): floating-point rounding and exception handling
fesetexceptflag (3): floating-point rounding and exception handling
fesetround (3): floating-point rounding and exception handling
fetestexcept (3): floating-point rounding and exception handling
feupdateenv (3): floating-point rounding and exception handling
fexecve (3): execute program specified via file descriptor
fflush_unlocked (3): nonlocking stdio functions
ffs (3): find first bit set in a word
ffsl (3): find first bit set in a word
ffsll (3): find first bit set in a word
fgconsole (1): print the number of the active VT.
fgetc (3): input of characters and strings
fgetc_unlocked (3): nonlocking stdio functions
fgetgrent (3): get group file entry
fgetgrent_r (3): get group file entry reentrantly
fgetpos (3): reposition a stream
fgetpwent (3): get password file entry
fgetpwent_r (3): get passwd file entry reentrantly
fgets (3): input of characters and strings
fgets_unlocked (3): nonlocking stdio functions
fgetspent (3): get shadow password file entry
fgetspent_r (3): get shadow password file entry
fgetwc (3): read a wide character from a FILE stream
fgetwc_unlocked (3): nonlocking stdio functions
fgetws (3): read a wide-character string from a FILE stream
fgetws_unlocked (3): nonlocking stdio functions
fgetxattr (2): retrieve an extended attribute value
fgrep (1): print lines that match patterns
fifo (7): first-in first-out special file, named pipe
file (1): determine file type
file-hierarchy (7): File system hierarchy overview
File::FcntlLock (3pm): File locking with fcntl(2)
File::FcntlLock::Inline (3pm): File locking with fcntl(2)
File::FcntlLock::Pure (3pm): File locking with fcntl(2)
File::FcntlLock::XS (3pm): File locking with fcntl(2)
File::Listing (3pm): parse directory listing
filefrag (8): report on file fragmentation
filefuncs (3am): provide some file related functionality to gawk
fileno (3): check and reset stream status
fileno_unlocked (3): nonlocking stdio functions
filesystems (5): Linux filesystem types: ext, ext2, ext3, ext4, hpfs, i...
filter-a (8): filter A in DNS responses when AAAA is present
filter-aaaa (8): filter AAAA in DNS responses when A is present
finalrd (1): final runtime directory generator for shutdown
fincore (1): count pages of file contents in core
find (1): search for files in a directory hierarchy
findfs (8): find a filesystem by label or UUID
findmnt (8): find a filesystem
finit_module (2): load a kernel module
finite (3): BSD floating-point classification functions
finitef (3): BSD floating-point classification functions
finitel (3): BSD floating-point classification functions
fixparts (8): MBR partition table repair utility
flistxattr (2): list extended attribute names
flock (1): manage locks from shell scripts
flock (2): apply or remove an advisory lock on an open file
flockfile (3): lock FILE for stdio
floor (3): largest integral value not greater than argument
floorf (3): largest integral value not greater than argument
floorl (3): largest integral value not greater than argument
tc-flow (8): flow based traffic control filter
tc-flower (8): flow based traffic control filter
flush (8postfix): Postfix fast flush server
fma (3): floating-point multiply and add
fmaf (3): floating-point multiply and add
fmal (3): floating-point multiply and add
fmax (3): determine maximum of two floating-point numbers
fmaxf (3): determine maximum of two floating-point numbers
fmaxl (3): determine maximum of two floating-point numbers
fmin (3): determine minimum of two floating-point numbers
fminf (3): determine minimum of two floating-point numbers
fminl (3): determine minimum of two floating-point numbers
fmod (3): floating-point remainder function
fmodf (3): floating-point remainder function
fmodl (3): floating-point remainder function
fmt (1): simple optimal text formatter
fmtmsg (3): print formatted error messages
fnmatch (3): match filename or pathname
fnmatch (3am): compare a string against a filename wildcard
fold (1): wrap each input line to fit in specified width
Font::AFM (3pm): Interface to Adobe Font Metrics files
fopen (3): stream open functions
fopencookie (3): opening a custom stream
fork (2): create a child process
fork (3am): basic process management
forkpty (3): terminal utility functions
fpathconf (3): get configuration values for files
fpclassify (3): floating-point classification macros
fprintf (3): formatted output conversion
fputc (3): output of characters and strings
fputc_unlocked (3): nonlocking stdio functions
fputs (3): output of characters and strings
fputs_unlocked (3): nonlocking stdio functions
fputwc (3): write a wide character to a FILE stream
fputwc_unlocked (3): nonlocking stdio functions
fputws (3): write a wide-character string to a FILE stream
fputws_unlocked (3): nonlocking stdio functions
tc-fq (8): Fair Queue traffic policing
fread (3): binary stream input/output
fread_unlocked (3): nonlocking stdio functions
free (1): Display amount of free and used memory in the system
free (3): allocate and free dynamic memory
freeaddrinfo (3): network address and service translation
freeifaddrs (3): get interface addresses
freelocale (3): create, modify, and free a locale object
readproc (3): read information from next /proc/## entry
readproctab (3): read information for all current processes at once
FreezeThaw (3pm): converting Perl structures to strings and back.
fremovexattr (2): remove an extended attribute
freopen (3): stream open functions
frexp (3): convert floating-point number to fractional and integr...
frexpf (3): convert floating-point number to fractional and integr...
frexpl (3): convert floating-point number to fractional and integr...
from (1): print names of those who have sent mail
fs (5): Linux filesystem types: ext, ext2, ext3, ext4, hpfs, i...
fsadm (8): utility to resize or check filesystem on a device
fscanf (3): input format conversion
fsck (8): check and repair a Linux filesystem
fsck.btrfs (8): do nothing, successfully
fsck.cramfs (8): fsck compressed ROM file system
fsck.ext2 (8): check a Linux ext2/ext3/ext4 file system
fsck.ext3 (8): check a Linux ext2/ext3/ext4 file system
fsck.ext4 (8): check a Linux ext2/ext3/ext4 file system
fsck.fat (8): check and repair MS-DOS filesystems
fsck.minix (8): check consistency of Minix filesystem
fsck.msdos (8): check and repair MS-DOS filesystems
fsck.vfat (8): check and repair MS-DOS filesystems
fsck.xfs (8): do nothing, successfully
fseek (3): reposition a stream
fseeko (3): seek to or report file position
fsetpos (3): reposition a stream
fsetxattr (2): set an extended attribute value
fsf-funding (7gcc): Funding Free Software
fsfreeze (8): suspend access to a filesystem (Ext3/4, ReiserFS, JFS,...
fstab (5): static information about the filesystems
fstab-decode (8): run a command with fstab-encoded arguments
fstat (2): get file status
fstat64 (2): get file status
fstatat (2): get file status
fstatat64 (2): get file status
fstatfs (2): get filesystem statistics
fstatfs64 (2): get filesystem statistics
fstatvfs (2): get filesystem statistics
fstatvfs (3): get filesystem statistics
fstrim (8): discard unused blocks on a mounted filesystem
fsync (2): synchronize a file's in-core state with storage device
ftell (3): reposition a stream
ftello (3): seek to or report file position
getpmsg (2): unimplemented system calls
ftime (3): return date and time
ftok (3): convert a pathname and a project identifier to a Syste...
ftp (1): Internet file transfer program
ftruncate (2): truncate a file to a specified length
ftruncate64 (2): truncate a file to a specified length
ftrylockfile (3): lock FILE for stdio
fts (3): traverse a file hierarchy
fts_children (3): traverse a file hierarchy
fts_close (3): traverse a file hierarchy
fts_open (3): traverse a file hierarchy
fts_read (3): traverse a file hierarchy
fts_set (3): traverse a file hierarchy
ftw (3): file tree walk
full (4): always full device
funlockfile (3): lock FILE for stdio
fuse (4): Filesystem in Userspace (FUSE) device
mount.fuse (8): format and options for the fuse file systems
fuser (1): identify processes using files or sockets
fusermount (1): unmount FUSE filesystems
futex (2): fast user-space locking
futex (7): fast user-space locking
utimensat (2): change file timestamps with nanosecond precision
futimens (3): change file timestamps with nanosecond precision
futimes (3): change file timestamps
futimesat (2): change timestamps of a file relative to a directory fi...
tc-fw (8): fwmark traffic control filter
fwide (3): set and determine the orientation of a FILE stream
fwprintf (3): formatted wide-character output conversion
fwrite (3): binary stream input/output
fwrite_unlocked (3): nonlocking stdio functions
fwupdagent (1): Firmware updating agent
fwupdate (1): Debugging utility for UEFI firmware updates
fwupdmgr (1): Firmware update manager client utility
fwupdtool (1): Standalone firmware update utility
fwupdtpmevlog (1): Debugging utility for the TPM event log
g++ (1): GNU project C and C++ compiler
g++-9 (1): GNU project C and C++ compiler
gai.conf (5): getaddrinfo(3) configuration file
gai_cancel (3): asynchronous network address and service translation
gai_error (3): asynchronous network address and service translation
gai_strerror (3): network address and service translation
gai_suspend (3): asynchronous network address and service translation
gamma (3): (logarithm of the) gamma function
gammaf (3): (logarithm of the) gamma function
gammal (3): (logarithm of the) gamma function
gapplication (1): D-Bus application launcher
gawk (1): pattern scanning and processing language
gcc (1): GNU project C and C++ compiler
gcc-9 (1): GNU project C and C++ compiler
gcc-ar (1): a wrapper around ar adding the --plugin option
gcc-ar-9 (1): a wrapper around ar adding the --plugin option
gcc-nm (1): a wrapper around nm adding the --plugin option
gcc-nm-9 (1): a wrapper around nm adding the --plugin option
gcc-ranlib (1): a wrapper around ranlib adding the --plugin option
gcc-ranlib-9 (1): a wrapper around ranlib adding the --plugin option
gcov (1): coverage testing tool
gcov-9 (1): coverage testing tool
gcov-dump (1): offline gcda and gcno profile dump tool
gcov-dump-9 (1): offline gcda and gcno profile dump tool
gcov-tool (1): offline gcda profile processing tool
gcov-tool-9 (1): offline gcda profile processing tool
gcvt (3): convert a floating-point number to a string
gdbus (1): Tool for working with D-Bus objects
gdisk (8): Interactive GUID partition table (GPT) manipulator
gendsa (1ssl): generate a DSA private key from a set of parameters
generic (5): Postfix generic table format
genl (8): generic netlink utility frontend
genpkey (1ssl): generate a private key
genrsa (1ssl): generate an RSA private key
geqn (1): format equations for troff or MathML
GET (1p): Simple command line user agent
get-iab (1): Fetch the arp-scan IAB file from the IEEE website
get-oui (1): Fetch the arp-scan OUI file from the IEEE website (on ...
get_avphys_pages (3): get total and available physical page counts
getcwd (2): get current working directory
get_current_dir_name (3): get current working directory
get_kernel_syms (2): retrieve exported kernel and module symbols
get_mempolicy (2): retrieve NUMA memory policy for a thread
get_myaddress (3): library routines for remote procedure calls
get_phys_pages (3): get total and available physical page counts
get_robust_list (2): get/set list of robust futexes
get_thread_area (2): manipulate thread-local storage information
getaddrinfo (3): network address and service translation
getaddrinfo_a (3): asynchronous network address and service translation
getaliasbyname (3): read an alias entry
getaliasbyname_r (3): read an alias entry
getaliasent (3): read an alias entry
getaliasent_r (3): read an alias entry
getauxval (3): retrieve a value from the auxiliary vector
getc (3): input of characters and strings
getc_unlocked (3): nonlocking stdio functions
getcap (8): examine file capabilities
getchar (3): input of characters and strings
getchar_unlocked (3): nonlocking stdio functions
getconf (1): Query system configuration variables
getcpu (2): determine CPU and NUMA node on which the calling threa...
getcwd (3): get current working directory
getdate (3): convert a date-plus-time string to broken-down time
getdate_err (3): convert a date-plus-time string to broken-down time
getdate_r (3): convert a date-plus-time string to broken-down time
getdelim (3): delimited string input
getdents (2): get directory entries
getdents64 (2): get directory entries
getdirentries (3): get directory entries in a filesystem-independent format
getdomainname (2): get/set NIS domain name
getdtablesize (2): get file descriptor table size
getdtablesize (3): get file descriptor table size
getegid (2): get group identity
getegid32 (2): get group identity
getent (1): get entries from Name Service Switch libraries
getentropy (3): fill a buffer with random bytes
getenv (3): get an environment variable
geteuid (2): get user identity
geteuid32 (2): get user identity
getfsent (3): handle fstab entries
getfsfile (3): handle fstab entries
getfsspec (3): handle fstab entries
getgid (2): get group identity
getgid32 (2): get group identity
getgrent (3): get group file entry
getgrent_r (3): get group file entry reentrantly
getgrgid (3): get group file entry
getgrgid_r (3): get group file entry
getgrnam (3): get group file entry
getgrnam_r (3): get group file entry
getgrouplist (3): get list of groups to which a user belongs
getgroups (2): get/set list of supplementary group IDs
getgroups32 (2): get/set list of supplementary group IDs
gethostid (2): get or set the unique identifier of the current host
gethostid (3): get or set the unique identifier of the current host
getifaddrs (3): get interface addresses
getipnodebyaddr (3): get network hostnames and addresses
getipnodebyname (3): get network hostnames and addresses
getitimer (2): get or set value of an interval timer
getkeycodes (8): print kernel scancode-to-keycode mapping table
getline (3): delimited string input
getlogin (3): get username
getlogin_r (3): get username
getmntent (3): get filesystem descriptor file entry
getmntent_r (3): get filesystem descriptor file entry
getmsg (2): unimplemented system calls
getnameinfo (3): address-to-name translation in protocol-independent ma...
getnetgrent (3): handle network group entries
getnetgrent_r (3): handle network group entries
getopt (1): parse command options (enhanced)
getopt (3): Parse command-line options
getopt_long (3): Parse command-line options
getopt_long_only (3): Parse command-line options
getpagesize (2): get memory page size
getpcaps (1): List Process Capabilities
getpcaps (8): display process capabilities
getpgid (2): set/get process group
getpid (2): get process identification
getppid (2): get process identification
getpriority (2): get/set program scheduling priority
getpt (3): open the pseudoterminal master (PTM)
getpw (3): reconstruct password line entry
getpwent (3): get password file entry
getpwent_r (3): get passwd file entry reentrantly
getpwnam (3): get password file entry
getpwnam_r (3): get password file entry
getpwuid (3): get password file entry
getpwuid_r (3): get password file entry
getrandom (2): obtain a series of random bytes
getresgid (2): get real, effective and saved user/group IDs
getresgid32 (2): get real, effective and saved user/group IDs
getresuid (2): get real, effective and saved user/group IDs
getresuid32 (2): get real, effective and saved user/group IDs
getrlimit (2): get/set resource limits
gets (3): get a string from standard input (DEPRECATED)
getservbyname (3): get service entry
getservbyname_r (3): get service entry (reentrant)
getservbyport (3): get service entry
getservbyport_r (3): get service entry (reentrant)
getservent (3): get service entry
getservent_r (3): get service entry (reentrant)
getsid (2): get session ID
getsockopt (2): get and set options on sockets
getspent (3): get shadow password file entry
getspent_r (3): get shadow password file entry
getspnam (3): get shadow password file entry
getspnam_r (3): get shadow password file entry
getsubopt (3): parse suboption arguments from a string
gettid (2): get thread identification
gettimeofday (2): get / set time
getttyent (3): get ttys file entry
getttynam (3): get ttys file entry
getty (8): alternative Linux getty
getuid (2): get user identity
getuid32 (2): get user identity
getumask (3): get file creation mask
getunwind (2): copy the unwind data to caller's buffer
getusershell (3): get permitted user shells
getutent (3): access utmp file entries
getutent_r (3): access utmp file entries
getutid (3): access utmp file entries
getutid_r (3): access utmp file entries
getutline (3): access utmp file entries
getutline_r (3): access utmp file entries
getutmp (3): copy utmp structure to utmpx, and vice versa
getutmpx (3): copy utmp structure to utmpx, and vice versa
getutxent (3): access utmp file entries
getutxid (3): access utmp file entries
getutxline (3): access utmp file entries
getw (3): input and output of words (ints)
getwc (3): read a wide character from a FILE stream
getwc_unlocked (3): nonlocking stdio functions
getwchar (3): read a wide character from standard input
getwchar_unlocked (3): nonlocking stdio functions
getwd (3): get current working directory
getxattr (2): retrieve an extended attribute value
gfdl (7gcc): GNU Free Documentation License
ginstall-info (1): update info/dir entries
gio (1): GIO commandline tool
gio-querymodules (1): GIO module cache creation
git (1): the stupid content tracker
git-add (1): Add file contents to the index
git-am (1): Apply a series of patches from a mailbox
git-annotate (1): Annotate file lines with commit information
git-apply (1): Apply a patch to files and/or to the index
git-archive (1): Create an archive of files from a named tree
git-bisect (1): Use binary search to find the commit that introduced a...
git-blame (1): Show what revision and author last modified each line ...
git-branch (1): List, create, or delete branches
git-bundle (1): Move objects and refs by archive
git-cat-file (1): Provide content or type and size information for repos...
git-check-attr (1): Display gitattributes information
git-check-ignore (1): Debug gitignore / exclude files
git-check-mailmap (1): Show canonical names and email addresses of contacts
git-check-ref-format (1): Ensures that a reference name is well formed
git-checkout (1): Switch branches or restore working tree files
git-checkout-index (1): Copy files from the index to the working tree
git-cherry (1): Find commits yet to be applied to upstream
git-cherry-pick (1): Apply the changes introduced by some existing commits
git-clean (1): Remove untracked files from the working tree
git-clone (1): Clone a repository into a new directory
git-column (1): Display data in columns
git-commit (1): Record changes to the repository
git-commit-graph (1): Write and verify Git commit-graph files
git-commit-tree (1): Create a new commit object
git-config (1): Get and set repository or global options
git-count-objects (1): Count unpacked number of objects and their disk consu...
git-credential (1): Retrieve and store user credentials
git-credential-cache (1): Helper to temporarily store passwords in memory
git-credential-cache--daemon (1): Temporarily store user credentials in memory
git-credential-store (1): Helper to store credentials on disk
git-daemon (1): A really simple server for Git repositories
git-describe (1): Give an object a human readable name based on an avail...
git-diff (1): Show changes between commits, commit and working tree,...
git-diff-files (1): Compares files in the working tree and the index
git-diff-index (1): Compare a tree to the working tree or index
git-diff-tree (1): Compares the content and mode of blobs found via two t...
git-difftool (1): Show changes using common diff tools
git-fast-export (1): Git data exporter
git-fast-import (1): Backend for fast Git data importers
git-fetch (1): Download objects and refs from another repository
git-fetch-pack (1): Receive missing objects from another repository
git-filter-branch (1): Rewrite branches
git-fmt-merge-msg (1): Produce a merge commit message
git-for-each-ref (1): Output information on each ref
git-format-patch (1): Prepare patches for e-mail submission
git-fsck (1): Verifies the connectivity and validity of the objects ...
git-fsck-objects (1): Verifies the connectivity and validity of the objects ...
git-gc (1): Cleanup unnecessary files and optimize the local repos...
git-get-tar-commit-id (1): Extract commit ID from an archive created using g...
git-grep (1): Print lines matching a pattern
git-hash-object (1): Compute object ID and optionally creates a blob from a...
git-help (1): Display help information about Git
git-http-backend (1): Server side implementation of Git over HTTP
git-http-fetch (1): Download from a remote Git repository via HTTP
git-http-push (1): Push objects over HTTP/DAV to another repository
git-imap-send (1): Send a collection of patches from stdin to an IMAP folder
git-index-pack (1): Build pack index file for an existing packed archive
git-init (1): Create an empty Git repository or reinitialize an exis...
git-init-db (1): Creates an empty Git repository
git-instaweb (1): Instantly browse your working repository in gitweb
git-interpret-trailers (1): Add or parse structured information in commit me...
git-log (1): Show commit logs
git-ls-files (1): Show information about files in the index and the work...
git-ls-remote (1): List references in a remote repository
git-ls-tree (1): List the contents of a tree object
git-mailinfo (1): Extracts patch and authorship from a single e-mail mes...
git-mailsplit (1): Simple UNIX mbox splitter program
git-merge (1): Join two or more development histories together
git-merge-base (1): Find as good common ancestors as possible for a merge
git-merge-file (1): Run a three-way file merge
git-merge-index (1): Run a merge for files needing merging
git-merge-one-file (1): The standard helper program to use with git-merge-index
git-merge-tree (1): Show three-way merge without touching index
git-mergetool (1): Run merge conflict resolution tools to resolve merge c...
git-mergetool--lib (1): Common Git merge tool shell scriptlets
git-mktag (1): Creates a tag object
git-mktree (1): Build a tree-object from ls-tree formatted text
git-multi-pack-index (1): Write and verify multi-pack-indexes
git-mv (1): Move or rename a file, a directory, or a symlink
git-name-rev (1): Find symbolic names for given revs
git-notes (1): Add or inspect object notes
git-pack-objects (1): Create a packed archive of objects
git-pack-redundant (1): Find redundant pack files
git-pack-refs (1): Pack heads and tags for efficient repository access
git-parse-remote (1): Routines to help parsing remote repository access para...
git-patch-id (1): Compute unique ID for a patch
git-prune (1): Prune all unreachable objects from the object database
git-prune-packed (1): Remove extra objects that are already in pack files
git-pull (1): Fetch from and integrate with another repository or a ...
git-push (1): Update remote refs along with associated objects
git-quiltimport (1): Applies a quilt patchset onto the current branch
git-range-diff (1): Compare two commit ranges (e.g. two versions of a branch)
git-read-tree (1): Reads tree information into the index
git-rebase (1): Reapply commits on top of another base tip
git-receive-pack (1): Receive what is pushed into the repository
git-reflog (1): Manage reflog information
git-remote (1): Manage set of tracked repositories
git-remote-ext (1): Bridge smart transport to external command.
git-remote-fd (1): Reflect smart transport stream back to caller
git-repack (1): Pack unpacked objects in a repository
git-replace (1): Create, list, delete refs to replace objects
git-request-pull (1): Generates a summary of pending changes
git-rerere (1): Reuse recorded resolution of conflicted merges
git-reset (1): Reset current HEAD to the specified state
git-restore (1): Restore working tree files
git-rev-list (1): Lists commit objects in reverse chronological order
git-rev-parse (1): Pick out and massage parameters
git-revert (1): Revert some existing commits
git-rm (1): Remove files from the working tree and from the index
git-send-pack (1): Push objects over Git protocol to another repository
git-sh-i18n (1): Git's i18n setup code for shell scripts
git-sh-i18n--envsubst (1): Git's own envsubst(1) for i18n fallbacks
git-sh-setup (1): Common Git shell script setup code
git-shell (1): Restricted login shell for Git-only SSH access
git-shortlog (1): Summarize 'git log' output
git-show (1): Show various types of objects
git-show-branch (1): Show branches and their commits
git-show-index (1): Show packed archive index
git-show-ref (1): List references in a local repository
git-sparse-checkout (1): Initialize and modify the sparse-checkout configura...
git-stage (1): Add file contents to the staging area
git-stash (1): Stash the changes in a dirty working directory away
git-status (1): Show the working tree status
git-stripspace (1): Remove unnecessary whitespace
git-submodule (1): Initialize, update or inspect submodules
git-subtree (1): Merge subtrees together and split repository into subt...
git-switch (1): Switch branches
git-symbolic-ref (1): Read, modify and delete symbolic refs
git-tag (1): Create, list, delete or verify a tag object signed wit...
git-unpack-file (1): Creates a temporary file with a blob's contents
git-unpack-objects (1): Unpack objects from a packed archive
git-update-index (1): Register file contents in the working tree to the index
git-update-ref (1): Update the object name stored in a ref safely
git-update-server-info (1): Update auxiliary info file to help dumb servers
git-upload-archive (1): Send archive back to git-archive
git-upload-pack (1): Send objects packed back to git-fetch-pack
git-var (1): Show a Git logical variable
git-verify-commit (1): Check the GPG signature of commits
git-verify-pack (1): Validate packed Git archive files
git-verify-tag (1): Check the GPG signature of tags
git-web--browse (1): Git helper script to launch a web browser
git-whatchanged (1): Show logs with difference each commit introduces
git-worktree (1): Manage multiple working trees
git-write-tree (1): Create a tree object from the current index
gitattributes (5): Defining attributes per path
gitcli (7): Git command-line interface and conventions
gitcore-tutorial (7): A Git core tutorial for developers
gitcredentials (7): providing usernames and passwords to Git
gitcvs-migration (7): Git for CVS users
gitdiffcore (7): Tweaking diff output
giteveryday (7): A useful minimum set of commands for Everyday Git
gitglossary (7): A Git Glossary
githooks (5): Hooks used by Git
gitignore (5): Specifies intentionally untracked files to ignore
gitmodules (5): Defining submodule properties
gitnamespaces (7): Git namespaces
gitolite (1): gatekeeper for git repositories
gitremote-helpers (7): Helper programs to interact with remote repositories
gitrepository-layout (5): Git Repository Layout
gitrevisions (7): Specifying revisions and ranges for Git
gitsubmodules (7): Mounting one repository inside another
gittutorial (7): A tutorial introduction to Git
gittutorial-2 (7): A tutorial introduction to Git: part two
gitweb (1): Git web interface (web frontend to Git repositories)
gitweb.conf (5): Gitweb (Git web interface) configuration file
gitworkflows (7): An overview of recommended workflows with Git
glib-compile-schemas (1): GSettings schema compiler
glibc (7): overview of standard C libraries on Linux
glob (3): find pathnames matching a pattern, free memory from gl...
glob (7): globbing pathnames
globfree (3): find pathnames matching a pattern, free memory from gl...
gmtime (3): transform date and time to broken-down time or ASCII
gmtime_r (3): transform date and time to broken-down time or ASCII
gnu_dev_major (3): manage a device number
gnu_dev_makedev (3): manage a device number
gnu_dev_minor (3): manage a device number
gnu_get_libc_release (3): get glibc version and release
gnu_get_libc_version (3): get glibc version and release
gold (1): The GNU ELF linker
gpasswd (1): administer /etc/group and /etc/gshadow
gpg (1): OpenPGP encryption and signing tool
gpg-check-pattern (1): Check a passphrase on stdin against the patternfile
gpg-connect-agent (1): Communicate with a running agent
gpg-preset-passphrase (1): Put a passphrase into gpg-agent's cache
gpg-wks-client (1): Client for the Web Key Service
gpg-wks-server (1): Server providing the Web Key Service
gpg-zip (1): encrypt or sign files into an archive
gpgconf (1): Modify .gnupg home directories
gpgparsemail (1): Parse a mail message into an annotated format
gpgsm (1): CMS encryption and signing tool
gpgsplit (1): Split an OpenPGP message into packets
gpgtar (1): Encrypt or sign files into an archive
gpgv (1): Verify OpenPGP signatures
gpic (1): compile pictures for troff or TeX
gpl (7gcc): GNU General Public License
gprof (1): display call graph profile data
grantpt (3): grant access to the slave pseudoterminal
grep (1): print lines that match patterns
groff (1): front-end for the groff document formatting system
grog (1): guess options for a following groff command
grops (1): PostScript driver for groff
grotty (1): groff driver for typewriter-like devices
group (5): user group file
group.conf (5): configuration file for the pam_group module
group_member (3): test whether a process is in a group
groupmems (8): administer members of a user's primary group
groupmod (8): modify a group definition on the system
groups (1): print the groups a user is in
growpart (1): extend a partition in a partition table to fill availa...
grpck (8): verify integrity of group files
grub-bios-setup (8): set up a device to boot using GRUB
grub-editenv (1): edit GRUB environment block
grub-file (1): check file type
grub-fstest (1): debug tool for GRUB filesystem drivers
grub-glue-efi (1): generate a fat binary for EFI
grub-install (8): install GRUB to a device
grub-kbdcomp (1): generate a GRUB keyboard layout file
grub-macbless (8): bless a mac file/directory
grub-menulst2cfg (1): transform legacy menu.lst into grub.cfg
grub-mkconfig (8): generate a GRUB configuration file
grub-mkdevicemap (8): make a device map file automatically
grub-mkfont (1): make GRUB font files
grub-mkimage (1): make a bootable image of GRUB
grub-mklayout (1): generate a GRUB keyboard layout file
grub-mknetdir (1): prepare a GRUB netboot directory.
grub-mkrelpath (1): make a system path relative to its root
grub-mkrescue (1): make a GRUB rescue image
grub-mkstandalone (1): make a memdisk-based GRUB image
grub-mount (1): export GRUB filesystem with FUSE
grub-probe (8): probe device information for GRUB
grub-render-label (1): generate a .disk_label for Apple Macs.
grub-script-check (1): check grub.cfg for syntax errors
grub-syslinux2cfg (1): transform syslinux config into grub.cfg
gsettings (1): GSettings configuration tool
gshadow (5): shadowed group file
gsignal (3): software signal facility
gtty (2): unimplemented system calls
gunzip (1): compress or expand files
gzexe (1): compress executable files in place
gzip (1): compress or expand files
h2ph (1): convert .h C header files to .ph Perl header files
h2xs (1): convert .h C header files to Perl extensions
halt (8): Halt, power-off or reboot the machine
hasmntopt (3): get filesystem descriptor file entry
hcp-device (4): Hot Copy snapshot devices
hcp (8): Hot Copy creates point-in-time snapshots of any Linux ...
hcp-setup (8): Hot Copy device driver installation utility
hd (1): ASCII, decimal, hexadecimal, octal dump
hd (4): MFM/IDE hard disk devices
hdparm (8): get/set SATA/IDE device parameters
hdparm.conf (5): Debian configuration file for hdparm
head (1): output the first part of files
header_checks (5): Postfix built-in content inspection
helpztags (1): generate the help tags file for directory
hexdump (1): ASCII, decimal, hexadecimal, octal dump
tc-hfsc (8): Hierarchical Fair Service Curve's control under linux
hier (7): description of the filesystem hierarchy
history (3readline): GNU History Library
host (1): DNS lookup utility
host.conf (5): resolver configuration file
hostid (1): print the numeric identifier for the current host
hostname (5): Local hostname configuration file
hostname (7): hostname resolution description
hosts (5): static table lookup for hostnames
hosts.allow (5): format of host access control files
hosts.deny (5): format of host access control files
hosts.equiv (5): list of hosts and users that are granted "trusted" r c...
hosts_access (5): format of host access control files
hosts_options (5): host access control language extensions
hpsa (4): HP Smart Array SCSI driver
tc-htb (8): Hierarchy Token Bucket
htcacheclean (8): Clean up the disk cache
htdbm (1): Manipulate DBM password databases
htdigest (1): manage user files for digest authentication
HTML::AsSubs (3pm): functions that construct a HTML syntax tree
HTML::Element::traverse (3pm): discussion of HTML::Element's traverse method
HTML::Entities (3pm): Encode or decode strings with HTML entities
HTML::Filter (3pm): Filter HTML text through the parser
HTML::FormatPS (3pm): Format HTML as PostScript
HTML::FormatText (3pm): Format HTML as plaintext
HTML::HeadParser (3pm): Parse <HEAD> section of a HTML document
HTML::LinkExtor (3pm): Extract links from an HTML document
HTML::Parse (3pm): Deprecated, a wrapper around HTML::TreeBuilder
HTML::PullParser (3pm): Alternative HTML::Parser interface
HTML::Tagset (3pm): data tables useful in parsing HTML
HTML::TokeParser (3pm): Alternative HTML::Parser interface
HTML::Tree (3pm): build and scan parse-trees of HTML
HTML::Tree::AboutObjects (3pm): - article: "User's View of Object-Oriented M...
HTML::Tree::AboutTrees (3pm): - article on tree-shaped data structures in Perl
HTML::Tree::Scanning (3pm): - article: "Scanning HTML"
HTML::TreeBuilder (3pm): Parser that builds a HTML syntax tree
htmltree (1p): Parse the given HTML file(s) and dump the parse tree
htobe16 (3): convert values between host and big-/little-endian byt...
htobe32 (3): convert values between host and big-/little-endian byt...
htobe64 (3): convert values between host and big-/little-endian byt...
htole16 (3): convert values between host and big-/little-endian byt...
htole32 (3): convert values between host and big-/little-endian byt...
htole64 (3): convert values between host and big-/little-endian byt...
htop (1): interactive process viewer
htpasswd (1): Manage user files for basic authentication
HTTP::Config (3pm): Configuration for request and response objects
HTTP::Cookies (3pm): HTTP cookie jars
HTTP::Cookies::Netscape (3pm): Access to Netscape cookies files
HTTP::Daemon (3pm): A simple http server class
HTTP::Date (3pm): HTTP::Date - date conversion routines
HTTP::Headers (3pm): Class encapsulating HTTP Message headers
HTTP::Headers::Util (3pm): Header value parsing utility functions
HTTP::Negotiate (3pm): choose a variant to serve
HTTP::Status (3pm): HTTP Status code processing
httxt2dbm (1): Generate dbm files for use with RewriteMap
HUGE_VAL (3): floating-point constants
HUGE_VALF (3): floating-point constants
HUGE_VALL (3): floating-point constants
hwclock (5): variables that affect the behaviour of the hwclock boo...
hwclock (8): time clocks utility
hypot (3): Euclidean distance function
hypotf (3): Euclidean distance function
hypotl (3): Euclidean distance function
i386 (8): change reported architecture in new program environmen...
icmp (7): Linux IPv4 ICMP kernel module.
iconv (1): convert text from one character encoding to another
iconv (3): perform character set conversion
iconv_close (3): deallocate descriptor for character set conversion
iconv_open (3): allocate descriptor for character set conversion
iconvconfig (8): create iconv module configuration cache
id (1): print real and effective user and group IDs
idle (2): make process 0 idle
if_freenameindex (3): get network interface names and indexes
if_indextoname (3): mappings between network interface names and indexes
if_nameindex (3): get network interface names and indexes
if_nametoindex (3): mappings between network interface names and indexes
ifcfg (8): simplistic script which replaces ifconfig IP management
ifconfig (8): configure a network interface
tc-ife (8): encapsulate/decapsulate metadata
ilogb (3): get integer exponent of a floating-point value
ilogbf (3): get integer exponent of a floating-point value
ilogbl (3): get integer exponent of a floating-point value
imaxabs (3): compute the absolute value of an integer
imaxdiv (3): compute quotient and remainder of an integer division
inb (2): port I/O
inb_p (2): port I/O
index (3): locate character in string
inet (3): Internet address manipulation routines
inet_addr (3): Internet address manipulation routines
inet_aton (3): Internet address manipulation routines
inet_lnaof (3): Internet address manipulation routines
inet_makeaddr (3): Internet address manipulation routines
inet_net_ntop (3): Internet network number conversion
inet_net_pton (3): Internet network number conversion
inet_netof (3): Internet address manipulation routines
inet_network (3): Internet address manipulation routines
inet_ntoa (3): Internet address manipulation routines
inet_ntop (3): convert IPv4 and IPv6 addresses from binary to text form
inet_pton (3): convert IPv4 and IPv6 addresses from text to binary form
inetd (8): internet super-server
inetd.conf (5): internet super-server
INFINITY (3): floating-point constants
info (1): read Info documents
info (5): readable online documentation
infobrowser (1): read Info documents
infocmp (1): compare or print out terminfo descriptions
infotocap (1): convert a terminfo description into a termcap description
init (1): systemd system and service manager
init-d-script (5): interpreter for short and simple init.d scripts
init_module (2): load a kernel module
initgroups (3): initialize the supplementary group access list
initramfs-tools (7): an introduction to writing scripts for mkinitramfs
initramfs.conf (5): configuration file for mkinitramfs
initrd (4): boot loader initialized RAM disk
initstate (3): random number generator
initstate_r (3): reentrant random number generator
inl (2): port I/O
inl_p (2): port I/O
innetgr (3): handle network group entries
inode (7): file inode information
inotify (7): monitoring filesystem events
inotify_add_watch (2): add a watch to an initialized inotify instance
inotify_init (2): initialize an inotify instance
inotify_init1 (2): initialize an inotify instance
inotify_rm_watch (2): remove an existing watch from an inotify instance
inplace (3am): emulate sed/perl/ruby in-place editing
insb (2): port I/O
insl (2): port I/O
insmod (8): Simple program to insert a module into the Linux Kernel
insque (3): insert/remove an item from a queue
install (1): copy files and set attributes
install-info (1): update info/dir entries
installkernel (8): install a new kernel image
instmodsh (1): A shell to examine installed modules
insw (2): port I/O
integritysetup (8): manage dm-integrity (block level integrity) volumes
intro (1): introduction to user commands
intro (2): introduction to system calls
intro (3): introduction to library functions
intro (4): introduction to special files
intro (5): introduction to file formats and filesystems
intro (6): introduction to games
intro (7): introduction to overview and miscellany section
intro (8): introduction to administration and privileged commands
invoke-rc.d (8): executes System-V style init script actions
inw (2): port I/O
inw_p (2): port I/O
IO::HTML (3pm): Open an HTML file with automatic charset detection
IO::Socket::SSL (3pm): SSL sockets with IO::Socket interface
IO::Socket::SSL::Intercept (3pm): - SSL interception (man in the middle)
IO::Socket::SSL::PublicSuffix (3pm): provide access to Mozilla's list of eff...
IO::Socket::SSL::Utils (3pm): - loading, storing, creating certificates and ...
io_cancel (2): cancel an outstanding asynchronous I/O operation
io_destroy (2): destroy an asynchronous I/O context
io_getevents (2): read asynchronous I/O events from the completion queue
io_setup (2): create an asynchronous I/O context
io_submit (2): submit asynchronous I/O blocks for processing
ioctl (2): control device
ioctl_console (2): ioctls for console terminal and virtual consoles
ioctl_fat (2): manipulating the FAT filesystem
ioctl_ficlone (2): share some the data of one file with another file
ioctl_ficlonerange (2): share some the data of one file with another file
ioctl_fideduperange (2): share some the data of one file with another file
ioctl_getfsmap (2): retrieve the physical layout of the filesystem
ioctl_iflags (2): ioctl() operations for inode flags
ioctl_list (2): list of ioctl calls in Linux/i386 kernel
ioctl_ns (2): ioctl() operations for Linux namespaces
ioctl_tty (2): ioctls for terminals and serial lines
ioctl_userfaultfd (2): create a file descriptor for handling page faults in ...
ionice (1): set or get process I/O scheduling class and priority
ioperm (2): set port input/output permissions
iopl (2): change I/O privilege level
ioprio_get (2): get/set I/O scheduling class and priority
ioprio_set (2): get/set I/O scheduling class and priority
ip (7): Linux IPv4 protocol implementation
ip (8): show / manipulate routing, network devices, interfaces...
ip-address (8): protocol address management
ip-addrlabel (8): protocol address label management
ip-fou (8): Foo-over-UDP receive port configuration
ip-gue (8): Generic UDP Encapsulation receive port configuration
ip-l2tp (8): L2TPv3 static unmanaged tunnel configuration
ip-link (8): network device configuration
ip-macsec (8): MACsec device configuration
ip-maddress (8): multicast addresses management
ip-monitor (8): state monitoring
ip-mroute (8): multicast routing cache management
ip-neighbour (8): neighbour/arp tables management.
ip-netconf (8): network configuration monitoring
ip-netns (8): process network namespace management
ip-nexthop (8): nexthop object management
ip-ntable (8): neighbour table configuration
ip-route (8): routing table management
ip-rule (8): routing policy database management
ip-sr (8): IPv6 Segment Routing management
ip-tcp_metrics (8): management for TCP Metrics
ip-token (8): tokenized interface identifier support
ip-tunnel (8): tunnel configuration
ip-vrf (8): run a command against a vrf
ip-xfrm (8): transform configuration
ip6tables (8): administration tool for IPv4/IPv6 packet filtering and...
ip6tables-apply (8): a safer way to update iptables remotely
ip6tables-legacy (8): iptables using old getsockopt/setsockopt-based kernel api
ip6tables-legacy-restore (8): iptables using old getsockopt/setsockopt-based...
ip6tables-legacy-save (8): iptables using old getsockopt/setsockopt-based ke...
ip6tables-nft (8): iptables using nftables kernel api
ip6tables-nft-restore (8): iptables using nftables kernel api
ip6tables-nft-save (8): iptables using nftables kernel api
ip6tables-restore (8): Restore IPv6 Tables
ip6tables-restore-translate (8): translation tool to migrate from iptables t...
ip6tables-save (8): dump iptables rules
ip6tables-translate (8): translation tool to migrate from ip6tables to nftables
ipc (2): System V IPC system calls
ipc_namespaces (7): overview of Linux IPC namespaces
ipcmk (1): make various IPC resources
ipcrm (1): remove certain IPC resources
ipcs (1): show information on IPC facilities
iptables (8): administration tool for IPv4/IPv6 packet filtering and...
iptables-apply (8): a safer way to update iptables remotely
iptables-extensions (8): list of extensions in the standard iptables distrib...
iptables-legacy (8): iptables using old getsockopt/setsockopt-based kernel api
iptables-legacy-restore (8): iptables using old getsockopt/setsockopt-based ...
iptables-legacy-save (8): iptables using old getsockopt/setsockopt-based ker...
iptables-nft (8): iptables using nftables kernel api
iptables-nft-restore (8): iptables using nftables kernel api
iptables-nft-save (8): iptables using nftables kernel api
iptables-restore (8): Restore IP Tables
iptables-restore-translate (8): translation tool to migrate from iptables to...
iptables-save (8): dump iptables rules
iptables-translate (8): translation tool to migrate from iptables to nftables
iptables-xml (1): Convert iptables-save format to XML
iptunnel (8): Create and manage IP tunnels
ipv6 (7): Linux IPv6 protocol implementation
irqbalance (1): distribute hardware interrupts across processors on a ...
irqbalance-ui (1): user interface for irqbalance
iruserok (3): routines for returning a stream to a remote command
iruserok_af (3): routines for returning a stream to a remote command
isalnum (3): character classification functions
isalnum_l (3): character classification functions
isalpha (3): character classification functions
isalpha_l (3): character classification functions
isascii (3): character classification functions
isascii_l (3): character classification functions
isastream (2): unimplemented system calls
isatty (3): test whether a file descriptor refers to a terminal
isblank (3): character classification functions
isblank_l (3): character classification functions
ischroot (1): detect if running in a chroot
iscntrl (3): character classification functions
iscntrl_l (3): character classification functions
iscsi-iname (8): iSCSI initiator name generation tool
iscsi_discovery (8): discover iSCSI targets
iscsiadm (8): open-iscsi administration utility
iscsid (8): Open-iSCSI daemon
iscsistart (8): iSCSI boot tool
isdigit (3): character classification functions
isdigit_l (3): character classification functions
isfdtype (3): test file type of a file descriptor
isfinite (3): floating-point classification macros
isgraph (3): character classification functions
isgraph_l (3): character classification functions
isgreater (3): floating-point relational tests without exception for NaN
isgreaterequal (3): floating-point relational tests without exception for NaN
isinf (3): floating-point classification macros
isinff (3): BSD floating-point classification functions
isinfl (3): BSD floating-point classification functions
isless (3): floating-point relational tests without exception for NaN
islessequal (3): floating-point relational tests without exception for NaN
islessgreater (3): floating-point relational tests without exception for NaN
islower (3): character classification functions
islower_l (3): character classification functions
isnan (3): floating-point classification macros
isnanf (3): BSD floating-point classification functions
isnanl (3): BSD floating-point classification functions
isnormal (3): floating-point classification macros
iso-8859-1 (7): ISO 8859-1 character set encoded in octal, decimal, an...
iso-8859-10 (7): ISO 8859-10 character set encoded in octal, decimal, a...
iso-8859-11 (7): ISO 8859-11 character set encoded in octal, decimal, a...
iso-8859-13 (7): ISO 8859-13 character set encoded in octal, decimal, a...
iso-8859-14 (7): ISO 8859-14 character set encoded in octal, decimal, a...
iso-8859-15 (7): ISO 8859-15 character set encoded in octal, decimal, a...
iso-8859-16 (7): ISO 8859-16 character set encoded in octal, decimal, a...
iso-8859-2 (7): ISO 8859-2 character set encoded in octal, decimal, an...
iso-8859-3 (7): ISO 8859-3 character set encoded in octal, decimal, an...
iso-8859-4 (7): ISO 8859-4 character set encoded in octal, decimal, an...
iso-8859-5 (7): ISO 8859-5 character set encoded in octal, decimal, an...
iso-8859-6 (7): ISO 8859-6 character set encoded in octal, decimal, an...
iso-8859-7 (7): ISO 8859-7 character set encoded in octal, decimal, an...
iso-8859-8 (7): ISO 8859-8 character set encoded in octal, decimal, an...
iso-8859-9 (7): ISO 8859-9 character set encoded in octal, decimal, an...
iso_8859-1 (7): ISO 8859-1 character set encoded in octal, decimal, an...
iso_8859-10 (7): ISO 8859-10 character set encoded in octal, decimal, a...
iso_8859-11 (7): ISO 8859-11 character set encoded in octal, decimal, a...
iso_8859-13 (7): ISO 8859-13 character set encoded in octal, decimal, a...
iso_8859-14 (7): ISO 8859-14 character set encoded in octal, decimal, a...
iso_8859-15 (7): ISO 8859-15 character set encoded in octal, decimal, a...
iso_8859-16 (7): ISO 8859-16 character set encoded in octal, decimal, a...
iso_8859-2 (7): ISO 8859-2 character set encoded in octal, decimal, an...
iso_8859-3 (7): ISO 8859-3 character set encoded in octal, decimal, an...
iso_8859-4 (7): ISO 8859-4 character set encoded in octal, decimal, an...
iso_8859-5 (7): ISO 8859-5 character set encoded in octal, decimal, an...
iso_8859-6 (7): ISO 8859-6 character set encoded in octal, decimal, an...
iso_8859-7 (7): ISO 8859-7 character set encoded in octal, decimal, an...
iso_8859-8 (7): ISO 8859-8 character set encoded in octal, decimal, an...
iso_8859-9 (7): ISO 8859-9 character set encoded in octal, decimal, an...
iso_8859_1 (7): ISO 8859-1 character set encoded in octal, decimal, an...
iso_8859_10 (7): ISO 8859-10 character set encoded in octal, decimal, a...
iso_8859_11 (7): ISO 8859-11 character set encoded in octal, decimal, a...
iso_8859_13 (7): ISO 8859-13 character set encoded in octal, decimal, a...
iso_8859_14 (7): ISO 8859-14 character set encoded in octal, decimal, a...
iso_8859_15 (7): ISO 8859-15 character set encoded in octal, decimal, a...
iso_8859_16 (7): ISO 8859-16 character set encoded in octal, decimal, a...
iso_8859_2 (7): ISO 8859-2 character set encoded in octal, decimal, an...
iso_8859_3 (7): ISO 8859-3 character set encoded in octal, decimal, an...
iso_8859_4 (7): ISO 8859-4 character set encoded in octal, decimal, an...
iso_8859_5 (7): ISO 8859-5 character set encoded in octal, decimal, an...
iso_8859_6 (7): ISO 8859-6 character set encoded in octal, decimal, an...
iso_8859_7 (7): ISO 8859-7 character set encoded in octal, decimal, an...
iso_8859_8 (7): ISO 8859-8 character set encoded in octal, decimal, an...
iso_8859_9 (7): ISO 8859-9 character set encoded in octal, decimal, an...
isosize (8): output the length of an iso9660 filesystem
isprint (3): character classification functions
isprint_l (3): character classification functions
ispunct (3): character classification functions
ispunct_l (3): character classification functions
isspace (3): character classification functions
isspace_l (3): character classification functions
issue (5): prelogin message and identification file
isunordered (3): floating-point relational tests without exception for NaN
isupper (3): character classification functions
isupper_l (3): character classification functions
iswalnum (3): test for alphanumeric wide character
iswalpha (3): test for alphabetic wide character
iswblank (3): test for whitespace wide character
iswcntrl (3): test for control wide character
iswctype (3): wide-character classification
iswdigit (3): test for decimal digit wide character
iswgraph (3): test for graphic wide character
iswlower (3): test for lowercase wide character
iswprint (3): test for printing wide character
iswpunct (3): test for punctuation or symbolic wide character
iswspace (3): test for whitespace wide character
iswupper (3): test for uppercase wide character
iswxdigit (3): test for hexadecimal digit wide character
isxdigit (3): character classification functions
isxdigit_l (3): character classification functions
iucode-tool (8): Tool to manipulate Intel IA-32/X86-64 microcode bundles
iucode_tool (8): Tool to manipulate Intel IA-32/X86-64 microcode bundles
iw (8): show / manipulate wireless devices and their configura...
j0 (3): Bessel functions of the first kind
j0f (3): Bessel functions of the first kind
j0l (3): Bessel functions of the first kind
j1 (3): Bessel functions of the first kind
j1f (3): Bessel functions of the first kind
j1l (3): Bessel functions of the first kind
jn (3): Bessel functions of the first kind
jnf (3): Bessel functions of the first kind
jnl (3): Bessel functions of the first kind
join (1): join lines of two files on a common field
journald.conf (5): Journal service configuration files
journald.conf.d (5): Journal service configuration files
journald@.conf (5): Journal service configuration files
jrand48 (3): generate uniformly distributed pseudo-random numbers
jrand48_r (3): generate uniformly distributed pseudo-random numbers r...
JSON (3pm): JSON (JavaScript Object Notation) encoder/decoder
JSON::backportPP (3pm): JSON::XS compatible pure-Perl module.
JSON::backportPP::Boolean (3pm): dummy module providing JSON::PP::Boolean
JSON::backportPP::Compat5005 (3pm): Helper module in using JSON::PP in Perl ...
JSON::backportPP::Compat5006 (3pm): Helper module in using JSON::PP in Perl 5.6
JSON::XS (3pm): JSON serialising/deserialising, done correctly and fast
JSON::XS::Boolean (3pm): dummy module providing JSON::XS::Boolean
json_pp (1): JSON::PP command utility
json_xs (1p): JSON::XS commandline utility
kbdinfo (1): obtain information about the status of a console
kbdrate (8): reset the keyboard repeat rate and delay time
kbxutil (1): List, export, import Keybox data
kcmp (2): compare two processes to determine if they share a ker...
keep-one-running (1): run just one instance at a time of some command and un...
kernel-command-line (7): Kernel command line parameters
kernel-install (8): Add and remove kernel and initramfs images to and from...
kexec_file_load (2): load a new kernel for later execution
kexec_load (2): load a new kernel for later execution
key_decryptsession (3): interfaces to rpc keyserver daemon
key_encryptsession (3): interfaces to rpc keyserver daemon
key_gendes (3): interfaces to rpc keyserver daemon
key_secretkey_is_set (3): interfaces to rpc keyserver daemon
key_setsecret (3): interfaces to rpc keyserver daemon
keyboard (5): keyboard configuration file
keyctl (2): manipulate the kernel's key management facility
keymaps (5): keyboard table descriptions for loadkeys and dumpkeys
keyring (1): Python-Keyring command-line utility
keyrings (7): in-kernel key management and retention facility
kill (1): send a signal to a process
kill (2): send signal to a process
killall (1): kill processes by name
killall5 (8): send a signal to all processes.
killpg (2): send signal to a process group
killpg (3): send signal to a process group
syslog (2): read and/or clear kernel message ring buffer; set cons...
klogctl (3): read and/or clear kernel message ring buffer; set cons...
kmod (8): Program to manage Linux Kernel modules
kmodsign (1): Kernel module signing tool
koi8-r (7): Russian character set encoded in octal, decimal, and h...
koi8-u (7): Ukrainian character set encoded in octal, decimal, and...
kpartx (8): Create device maps from partition tables.
labs (3): compute the absolute value of an integer
landscape-sysinfo (1): Display a summary of the current system status
last (1): show a listing of last logged in users
lastb (1): show a listing of last logged in users
lastlog (8): reports the most recent login of all users or of a giv...
latin1 (7): ISO 8859-1 character set encoded in octal, decimal, an...
latin10 (7): ISO 8859-16 character set encoded in octal, decimal, a...
latin2 (7): ISO 8859-2 character set encoded in octal, decimal, an...
latin3 (7): ISO 8859-3 character set encoded in octal, decimal, an...
latin4 (7): ISO 8859-4 character set encoded in octal, decimal, an...
latin5 (7): ISO 8859-9 character set encoded in octal, decimal, an...
latin6 (7): ISO 8859-10 character set encoded in octal, decimal, a...
latin7 (7): ISO 8859-13 character set encoded in octal, decimal, a...
latin8 (7): ISO 8859-14 character set encoded in octal, decimal, a...
latin9 (7): ISO 8859-15 character set encoded in octal, decimal, a...
lcf (1): Determine which of the historical versions of a config...
lchown (2): change ownership of a file
lchown32 (2): change ownership of a file
lckpwdf (3): get shadow password file entry
lcong48 (3): generate uniformly distributed pseudo-random numbers
lcong48_r (3): generate uniformly distributed pseudo-random numbers r...
ld (1): The GNU linker
ld-linux (8): dynamic linker/loader
ld-linux.so (8): dynamic linker/loader
ld.bfd (1): The GNU linker
ld.gold (1): The GNU ELF linker
ld.so (8): dynamic linker/loader
ldattach (8): attach a line discipline to a serial line
ldconfig (8): configure dynamic linker run-time bindings
ldd (1): print shared object dependencies
ldexp (3): multiply floating-point number by integral power of 2
ldexpf (3): multiply floating-point number by integral power of 2
ldexpl (3): multiply floating-point number by integral power of 2
ldiv (3): compute quotient and remainder of an integer division
le16toh (3): convert values between host and big-/little-endian byt...
le32toh (3): convert values between host and big-/little-endian byt...
le64toh (3): convert values between host and big-/little-endian byt...
less (1): opposite of more
lessfile (1): "input preprocessor" for less.
lesskey (1): specify key bindings for less
lesspipe (1): "input preprocessor" for less.
letsencrypt (1): certbot script documentation
lexgrog (1): parse header information in man pages
lfind (3): linear search of an array
lgamma (3): log gamma function
lgamma_r (3): log gamma function
lgammaf (3): log gamma function
lgammaf_r (3): log gamma function
lgammal (3): log gamma function
lgammal_r (3): log gamma function
lgetxattr (2): retrieve an extended attribute value
libaudit.conf (5): libaudit configuration file
libc (7): overview of standard C libraries on Linux
libdmmp.h (3): Device Mapper Multipath API.
libguestlib (3): vmware shared library
libmaxminddb (3): a library for working with MaxMind DB files
libnetcfg (1): configure libnet
libnetlink (3): A library for accessing the netlink service
libnss_systemd.so.2 (8): Provide UNIX user and group name resolution for use...
libvmtools (3): vmware shared library
libwww::lwpcook (3pm): The libwww-perl cookbook
libwww::lwptut (3pm): - An LWP Tutorial
lighttpd (8): a fast, secure and flexible web server
lighttpd-angel (8): monitor/supervise lighttpd daemon
lighttpd-disable-mod (1): enable or disable configuration in lighttpd server
lighttpd-enable-mod (1): enable or disable configuration in lighttpd server
lighty-disable-mod (1): enable or disable configuration in lighttpd server
lighty-enable-mod (1): enable or disable configuration in lighttpd server
limits.conf (5): configuration file for the pam_limits module
link (1): call the link function to create a link to a file
link (2): make a new name for a file
linkat (2): make a new name for a file
linux-check-removal (1): check whether removal of a kernel is safe
linux-update-symlinks (1): maintain symlinks to default kernel and initramfs
linux-version (1): operate on Linux kernel version strings
linux32 (1): change reported architecture in new program environmen...
linux64 (1): change reported architecture in new program environmen...
lio_listio (3): initiate a list of I/O requests
lirc (4): lirc devices
list (1ssl): list algorithms and features
LIST_EMPTY (3): implementations of singly-linked lists, singly-linked ...
LIST_ENTRY (3): implementations of singly-linked lists, singly-linked ...
LIST_FIRST (3): implementations of singly-linked lists, singly-linked ...
LIST_FOREACH (3): implementations of singly-linked lists, singly-linked ...
LIST_HEAD (3): implementations of singly-linked lists, singly-linked ...
LIST_HEAD_INITIALIZER (3): implementations of singly-linked lists, singly-li...
LIST_INIT (3): implementations of singly-linked lists, singly-linked ...
LIST_INSERT_AFTER (3): implementations of singly-linked lists, singly-linked...
LIST_INSERT_BEFORE (3): implementations of singly-linked lists, singly-linke...
LIST_INSERT_HEAD (3): implementations of singly-linked lists, singly-linked ...
LIST_NEXT (3): implementations of singly-linked lists, singly-linked ...
LIST_REMOVE (3): implementations of singly-linked lists, singly-linked ...
listen (2): listen for connections on a socket
listxattr (2): list extended attribute names
llabs (3): compute the absolute value of an integer
lldiv (3): compute quotient and remainder of an integer division
llistxattr (2): list extended attribute names
llrint (3): round to nearest integer
llrintf (3): round to nearest integer
llrintl (3): round to nearest integer
llround (3): round to nearest integer
llroundf (3): round to nearest integer
llroundl (3): round to nearest integer
llseek (2): reposition read/write file offset
lmtp (8postfix): Postfix SMTP+LMTP client
ln (1): make links between files
lnstat (8): unified linux network statistics
loader.conf (5): Configuration file for systemd-boot
loadkeys (1): load keyboard translation tables
loadunimap (8): load the kernel unicode-to-font mapping table
local (8postfix): Postfix local mail delivery
locale (1): get locale-specific information
locale (5): describes a locale definition file
locale (7): description of multilanguage support
locale-gen (8): generates localisation files from templates
locale.conf (5): Configuration file for locale settings
locale.gen (5): Configuration file for locale-gen
Locale::gettext (3pm): message handling functions
localeconv (3): get numeric formatting information
localectl (1): Control the system locale and keyboard layout settings
localedef (1): compile locale definition files
localtime (3): transform date and time to broken-down time or ASCII
localtime (5): Local timezone configuration file
localtime_r (3): transform date and time to broken-down time or ASCII
lock (2): unimplemented system calls
lockf (3): apply, test or remove a POSIX lock on an open file
log (3): natural logarithmic function
log10 (3): base-10 logarithmic function
log10f (3): base-10 logarithmic function
log10l (3): base-10 logarithmic function
log1p (3): logarithm of 1 plus argument
log1pf (3): logarithm of 1 plus argument
log1pl (3): logarithm of 1 plus argument
log2 (3): base-2 logarithmic function
log2f (3): base-2 logarithmic function
log2l (3): base-2 logarithmic function
logb (3): get exponent of a floating-point value
logbf (3): get exponent of a floating-point value
logbl (3): get exponent of a floating-point value
logf (3): natural logarithmic function
logger (1): enter messages into the system log
login (1): begin session on the system
login (3): write utmp and wtmp entries
login.defs (5): shadow password suite configuration
login_tty (3): terminal utility functions
loginctl (1): Control the systemd login manager
logind.conf (5): Login manager configuration files
logind.conf.d (5): Login manager configuration files
logl (3): natural logarithmic function
logname (1): print user's login name
logout (3): write utmp and wtmp entries
logresolve (1): Resolve IP-addresses to hostnames in Apache log files
logrotate (8): rotates, compresses, and mails system logs
logrotate.conf (5): rotates, compresses, and mails system logs
logsave (8): save the output of a command in a logfile
logwtmp (3): append an entry to the wtmp file
longjmp (3): performing a nonlocal goto
look (1): display lines beginning with a given string
lookup_dcookie (2): return a directory entry's path
loop (4): loop devices
loop-control (4): loop devices
lorder (1): list dependencies for object files
losetup (8): set up and control loop devices
lowntfs-3g (8): Third Generation Read/Write NTFS Driver
lp (4): line printer devices
lrand48 (3): generate uniformly distributed pseudo-random numbers
lrand48_r (3): generate uniformly distributed pseudo-random numbers r...
lremovexattr (2): remove an extended attribute
lrint (3): round to nearest integer
lrintf (3): round to nearest integer
lrintl (3): round to nearest integer
lround (3): round to nearest integer
lroundf (3): round to nearest integer
lroundl (3): round to nearest integer
ls (1): list directory contents
lsattr (1): list file attributes on a Linux second extended file s...
lsb_release (1): print distribution-specific information
lsblk (8): list block devices
lscpu (1): display information about the CPU architecture
lsearch (3): linear search of an array
lseek (2): reposition read/write file offset
lseek64 (3): reposition 64-bit read/write file offset
lsetxattr (2): set an extended attribute value
lshw (1): list hardware
lsinitramfs (8): list content of an initramfs image
lsipc (1): show information on IPC facilities currently employed ...
lslocks (8): list local system locks
lslogins (1): display information about known users in the system
lsmem (1): list the ranges of available memory with their online ...
lsmod (8): Show the status of modules in the Linux Kernel
lsns (8): list namespaces
lsof (8): list open files
lspci (8): list all PCI devices
lspgpot (1): extracts the ownertrust values from PGP keyrings and l...
lstat (2): get file status
lstat64 (2): get file status
lsusb (8): list USB devices
ltrace (1): A library call tracer
ltrace.conf (5): Configuration file for ltrace(1).
luksformat (8): Create and format an encrypted LUKS device
lutimes (3): change file timestamps
lvchange (8): Change the attributes of logical volume(s)
lvconvert (8): Change logical volume layout
lvcreate (8): Create a logical volume
lvdisplay (8): Display information about a logical volume
lvextend (8): Add space to a logical volume
lvm-config (8): Display and manipulate configuration information
lvm-dumpconfig (8): Display and manipulate configuration information
lvm.conf (5): Configuration file for LVM2
lvm2-activation-generator (8): generator for systemd units to activate LVM v...
lvmcache (7): LVM caching
lvmconfig (8): Display and manipulate configuration information
lvmdiskscan (8): List devices that may be used as physical volumes
lvmdump (8): create lvm2 information dumps for diagnostic purposes
lvmraid (7): LVM RAID
lvmreport (7): LVM reporting and related features
lvmsadc (8): LVM system activity data collector
lvmsar (8): LVM system activity reporter
lvmsystemid (7): LVM system ID
lvmthin (7): LVM thin provisioning
lvmvdo (7): EXPERIMENTAL LVM Virtual Data Optimizer support
lvreduce (8): Reduce the size of a logical volume
lvremove (8): Remove logical volume(s) from the system
lvrename (8): Rename a logical volume
lvresize (8): Resize a logical volume
lvs (8): Display information about logical volumes
lvscan (8): List all logical volumes in all volume groups
LWP (3pm): The World-Wide Web library for Perl
lwp-download (1p): Fetch large files from the web
lwp-dump (1p): See what headers and content is returned for a URL
lwp-mirror (1p): Simple mirror utility
lwp-request (1p): Simple command line user agent
LWP::Authen::Ntlm (3pm): Library for enabling NTLM authentication (Microsoft...
LWP::ConnCache (3pm): Connection cache manager
LWP::MediaTypes (3pm): guess media type for a file or a URL
LWP::MemberMixin (3pm): Member access mixin class
LWP::Protocol::https (3pm): Provide https support for LWP::UserAgent
LWP::Simple (3pm): simple procedural interface to LWP
lz4 (1): lz4, unlz4, lz4cat - Compress or decompress .lz4 files
lz4c (1): lz4, unlz4, lz4cat - Compress or decompress .lz4 files
lz4cat (1): lz4, unlz4, lz4cat - Compress or decompress .lz4 files
lzcat (1): Compress or decompress .xz and .lzma files
lzcmp (1): compare compressed files
lzdiff (1): compare compressed files
lzegrep (1): search compressed files for a regular expression
lzfgrep (1): search compressed files for a regular expression
lzgrep (1): search compressed files for a regular expression
lzless (1): view xz or lzma compressed (text) files
lzma (1): Compress or decompress .xz and .lzma files
lzmainfo (1): show information stored in the .lzma file header
lzmore (1): view xz or lzma compressed (text) files
mac-vendor (5): Ethernet vendor file for arp-scan
machine-id (5): Local machine ID configuration file
machine-info (5): Local machine information file
madvise (2): give advice about use of memory
madvise1 (2): unimplemented system calls
magic (5): file command's magic pattern file
Mail::Address (3pm): parse mail addresses
Mail::Cap (3pm): understand mailcap files
Mail::Field (3pm): base-class for manipulation of mail header fields
Mail::Field::AddrList (3pm): object representation of e-mail address lists
Mail::Field::Date (3pm): a date header field
Mail::Field::Generic (3pm): implementation for inspecific fields
Mail::Filter (3pm): filter mail through multiple subroutines
Mail::Header (3pm): manipulate MIME headers
Mail::Internet (3pm): manipulate email messages
Mail::Mailer (3pm): send simple emails
Mail::Send (3pm): Simple electronic mail interface
Mail::Util (3pm): mail utility functions
mailaddr (7): mail addressing description
mailcap (5): metamail capabilities file
mailq (1): Postfix to Sendmail compatibility interface
MailTools (3pm): bundle of ancient email modules
major (3): manage a device number
make (1): GNU make utility to maintain groups of programs
make-bcache (8): create a cache device
make-first-existing-target (1): runs make on one of several targets
makecontext (3): manipulate user context
makedefs (1): Postfix makefile configuration utility
makedev (3): manage a device number
mallinfo (3): obtain memory allocation information
malloc (3): allocate and free dynamic memory
malloc_get_state (3): record and restore state of malloc implementation
malloc_hook (3): malloc debugging variables
malloc_info (3): export malloc state to a stream
malloc_set_state (3): record and restore state of malloc implementation
malloc_stats (3): print memory allocation statistics
malloc_trim (3): release free memory from the heap
malloc_usable_size (3): obtain size of block of memory allocated from heap
mallopt (3): set memory allocation parameters
man (1): an interface to the system reference manuals
man-pages (7): conventions for writing Linux man pages
man-recode (1): convert manual pages to another encoding
manconv (1): convert manual page from one encoding to another
mandb (8): create or update the manual page index caches
manifest (1): import or export a package list
manpath (1): determine search path for manual pages
manpath (5): format of the /etc/manpath.config file
mapscrn (8): load screen output mapping table
master (5): Postfix master process configuration file format
master (8postfix): Postfix master process
tc-matchall (8): traffic control filter that matches every packet
math_error (7): detecting errors from mathematical functions
matherr (3): SVID math library exception handling
mawk (1): pattern scanning and text processing language
MB_CUR_MAX (3): maximum length of a multibyte character in the current...
MB_LEN_MAX (3): maximum multibyte length of a character across all loc...
mbind (2): set memory policy for a memory range
mblen (3): determine number of bytes in next multibyte character
mbox (5): Format for mail message storage.
mbrlen (3): determine number of bytes in next multibyte character
mbrtowc (3): convert a multibyte sequence to a wide character
mbsinit (3): test for initial shift state
mbsnrtowcs (3): convert a multibyte string to a wide-character string
mbsrtowcs (3): convert a multibyte string to a wide-character string
mbstowcs (3): convert a multibyte string to a wide-character string
mbtowc (3): convert a multibyte sequence to a wide character
mcheck (3): heap consistency checking
mcheck_check_all (3): heap consistency checking
mcheck_pedantic (3): heap consistency checking
mcookie (1): generate magic cookies for xauth
md (4): Multiple Device driver aka Linux Software RAID
md5sum (1): compute and check MD5 message digest
md5sum.textutils (1): compute and check MD5 message digest
mdadm (8): manage MD devices aka Linux Software RAID
mdadm.conf (5): configuration for management of Software RAID with mdadm
mdig (1): DNS pipelined lookup utility
mdmon (8): monitor MD external metadata arrays
memalign (3): allocate aligned memory
membarrier (2): issue memory barriers on a set of threads
memcache_table (5): Postfix memcache client configuration
memfd_create (2): create an anonymous file
memfrob (3): frobnicate (encrypt) a memory area
memmem (3): locate a substring
memset (3): fill memory with a constant byte
memusage (1): profile memory usage of a program
memusagestat (1): generate graphic from memory profiling data
mesg (1): display (or do not display) messages from other users
migrate-pubring-from-classic-gpg (1): Migrate a public keyring from "classic...
migrate_pages (2): move all pages in a process to another set of nodes
mii-tool (8): view, manipulate media-independent interface status
mincore (2): determine whether pages are resident in memory
minor (3): manage a device number
tc-mirred (8): mirror/redirect action
mk_modmap (8): translate a Linux keytable file into an xmodmap file
mkdir (1): make directories
mkdir (2): create a directory
mkdirat (2): create a directory
mkdosfs (8): create an MS-DOS filesystem under Linux
mkdtemp (3): create a unique temporary directory
mke2fs (8): create an ext2/ext3/ext4 filesystem
mke2fs.conf (5): Configuration file for mke2fs
mkfifo (1): make FIFOs (named pipes)
mkfifo (3): make a FIFO special file (a named pipe)
mkfifoat (3): make a FIFO special file (a named pipe)
mkfs (8): build a Linux filesystem
mkfs.bfs (8): make an SCO bfs filesystem
mkfs.btrfs (8): create a btrfs filesystem
mkfs.cramfs (8): make compressed ROM file system
mkfs.ext2 (8): create an ext2/ext3/ext4 filesystem
mkfs.ext3 (8): create an ext2/ext3/ext4 filesystem
mkfs.ext4 (8): create an ext2/ext3/ext4 filesystem
mkfs.fat (8): create an MS-DOS filesystem under Linux
mkfs.minix (8): make a Minix filesystem
mkfs.msdos (8): create an MS-DOS filesystem under Linux
mkfs.ntfs (8): create an NTFS file system
mkfs.vfat (8): create an MS-DOS filesystem under Linux
mkfs.xfs (8): construct an XFS filesystem
mkhomedir_helper (8): Helper binary that creates home directories
mkinitramfs (8): low-level tool for generating an initramfs image
mklost+found (8): create a lost+found directory on a mounted Linux secon...
mknod (1): make block or character special files
mknod (2): create a special or ordinary file
mknodat (2): create a special or ordinary file
mkntfs (8): create an NTFS file system
mkostemp (3): create a unique temporary file
mkostemps (3): create a unique temporary file
mksquashfs (1): tool to create and append to squashfs filesystems
mkstemp (3): create a unique temporary file
mkstemps (3): create a unique temporary file
mkswap (8): set up a Linux swap area
mktemp (1): create a temporary file or directory
mktemp (3): make a unique temporary filename
mktime (3): transform date and time to broken-down time or ASCII
mmap (2): map or unmap files or devices into memory
mmap2 (2): map files or devices into memory
mmap64 (3): map or unmap files or devices into memory
modf (3): extract signed integral and fractional values from flo...
modff (3): extract signed integral and fractional values from flo...
modfl (3): extract signed integral and fractional values from flo...
modify_ldt (2): get or set a per-process LDT entry
modinfo (8): Show information about a Linux Kernel module
modprobe (8): Add and remove modules from the Linux Kernel
modprobe.d (5): Configuration directory for modprobe
modules-load.d (5): Configure kernel modules to load at boot
modules.dep (5): Module dependency information
modules.dep.bin (5): Module dependency information
moduli (5): Diffie-Hellman moduli
more (1): file perusal filter for crt viewing
mount (2): mount filesystem
mount (8): mount a filesystem
mount.lowntfs-3g (8): Third Generation Read/Write NTFS Driver
mount.ntfs (8): Third Generation Read/Write NTFS Driver
mount.ntfs-3g (8): Third Generation Read/Write NTFS Driver
mount_namespaces (7): overview of Linux mount namespaces
mountpoint (1): see if a directory or file is a mountpoint
mouse (4): serial mouse interface
move_pages (2): move individual pages of a process to another node
mpath_persistent_reserve_in (3): send PRIN command to DM device
mpath_persistent_reserve_out (3): send PROUT command to DM device
mpathpersist (8): Manages SCSI persistent reservations on dm multipath d...
tc-mpls (8): mpls manipulation module
mprobe (3): heap consistency checking
mprotect (2): set protection on a region of memory
mpx (2): unimplemented system calls
mq_close (3): close a message queue descriptor
mq_getattr (3): get/set message queue attributes
mq_getsetattr (2): get/set message queue attributes
mq_notify (2): register for notification when a message is available
mq_notify (3): register for notification when a message is available
mq_overview (7): overview of POSIX message queues
mq_receive (3): receive a message from a message queue
mq_setattr (3): get/set message queue attributes
mq_timedreceive (2): receive a message from a message queue
mq_timedreceive (3): receive a message from a message queue
mq_timedsend (2): send a message to a message queue
mq_timedsend (3): send a message to a message queue
mq_unlink (2): remove a message queue
mq_unlink (3): remove a message queue
tc-mqprio (8): Multiqueue Priority Qdisc (Offloaded Hardware QOS)
mrand48 (3): generate uniformly distributed pseudo-random numbers
mrand48_r (3): generate uniformly distributed pseudo-random numbers r...
mremap (2): remap a virtual memory address
msgctl (2): System V message control operations
msgget (2): get a System V message queue identifier
msgop (2): System V message queue operations
msgrcv (2): System V message queue operations
msgsnd (2): System V message queue operations
msr (4): x86 CPU MSR access device
msync (2): synchronize a file with a memory map
mt (1): control magnetic tape drive operation
mt-gnu (1): control magnetic tape drive operation
mtr (8): a network diagnostic tool
mtr-packet (8): send and receive network probes
mtrace (1): interpret the malloc trace log
mtrace (3): malloc tracing
multipath (8): Device mapper target autoconfig.
multipath.conf (5): multipath daemon configuration file.
multipathd (8): Multipath daemon.
munmap (2): map or unmap files or devices into memory
muntrace (3): malloc tracing
mutt (1): The Mutt Mail User Agent
mutt_dotlock (1): Lock mail spool files.
muttrc (5): Configuration file for the Mutt Mail User Agent
mv (1): move (rename) files
name_to_handle_at (2): obtain handle for a pathname and open file via a handle
named (8): Internet domain name server
named-checkconf (1): named configuration file syntax checking tool
named-checkzone (1): zone file validity checking or converting tool
named-compilezone (1): zone file validity checking or converting tool
named-journalprint (1): print zone journal in human-readable form
named-rrchecker (1): syntax checker for individual DNS resource records
named.conf (5): configuration file for **named**
namei (1): follow a pathname until a terminal point is found
nameif (8): name network interfaces based on MAC addresses
namespace.conf (5): the namespace configuration file
namespaces (7): overview of Linux namespaces
nano (1): Nano's ANOther editor, inspired by Pico
nanorc (5): GNU nano's configuration file
nanosleep (2): high-resolution sleep
tc-nat (8): stateless native address translation action
nawk (1): pattern scanning and processing language
nc (1): arbitrary TCP and UDP connections and listens
nc.openbsd (1): arbitrary TCP and UDP connections and listens
nc_openbsd (1): arbitrary TCP and UDP connections and listens
ncal (1): displays a calendar and the date of Easter
nearbyint (3): round to nearest integer
nearbyintf (3): round to nearest integer
nearbyintl (3): round to nearest integer
neqn (1): format equations for ASCII output
Net::HTTP (3pm): Low-level HTTP connection (client)
Net::HTTP::NB (3pm): Non-blocking HTTP client
Net::HTTPS (3pm): Low-level HTTP over SSL/TLS connection (client)
Net::SSLeay (3pm): Perl extension for using OpenSSL
netcat (1): arbitrary TCP and UDP connections and listens
netdevice (7): low-level access to Linux network devices
netkit-ftp (1): Internet file transfer program
netkit-netrc (5): user configuration for ftp
netlink (3): Netlink macros
netlink (7): communication between kernel and user space (AF_NETLINK)
netplan (5): YAML network configuration abstraction for various bac...
netplan-apply (8): apply configuration from netplan YAML files to a runni...
netplan-dbus (8): daemon to access netplans functionality via a DBus API
netplan-generate (8): generate backend configuration from netplan YAML files
netplan-get (8): read merged netplan YAML configuration
netplan-set (8): write netplan YAML configuration snippets to file
netplan-try (8): try a configuration, optionally rolling it back
netrc (5): user configuration for ftp
netstat (8): Print network connections, routing tables, interface s...
network_namespaces (7): overview of Linux network namespaces
networkctl (1): Query the status of network links
networkd-dispatcher (8): Dispatcher service for systemd-networkd connection ...
networkd.conf (5): Global Network configuration files
networkd.conf.d (5): Global Network configuration files
networks (5): network name information
newaliases (1): Postfix to Sendmail compatibility interface
newfstatat (2): get file status
newgrp (1): log in to a new group
newlocale (3): create, modify, and free a locale object
newusers (8): update and create new users in batch
nextafter (3): floating-point number manipulation
nextafterf (3): floating-point number manipulation
nextafterl (3): floating-point number manipulation
nextdown (3): return next floating-point number toward positive/nega...
nextdownf (3): return next floating-point number toward positive/nega...
nextdownl (3): return next floating-point number toward positive/nega...
nexttoward (3): floating-point number manipulation
nexttowardf (3): floating-point number manipulation
nexttowardl (3): floating-point number manipulation
nextup (3): return next floating-point number toward positive/nega...
nextupf (3): return next floating-point number toward positive/nega...
nextupl (3): return next floating-point number toward positive/nega...
NF (1): awk and print a column (based on the name of the progr...
nfnl_osf (8): OS fingerprint loader utility
nfsservctl (2): syscall interface to kernel nfs daemon
nftw (3): file tree walk
nice (1): run a program with modified scheduling priority
nice (2): change process priority
nisdomainname (1): show or set the system's NIS/YP domain name
nisplus_table (5): Postfix NIS+ client
nl (1): number lines of files
nl_langinfo (3): query language and locale information
nl_langinfo_l (3): query language and locale information
nm (1): list symbols from object files
node (1): server-side JavaScript runtime
nohup (1): run a command immune to hangups, with output to a non-tty
nologin (5): prevent unprivileged users from logging into the system
nologin (8): politely refuse a login
nproc (1): print the number of processing units available
nptl (7): Native POSIX Threads Library
nrand48 (3): generate uniformly distributed pseudo-random numbers
nrand48_r (3): generate uniformly distributed pseudo-random numbers r...
nroff (1): use groff to format documents for TTY devices
nsenter (1): run program with namespaces of other processes
nseq (1ssl): create or examine a Netscape certificate sequence
nslookup (1): query Internet name servers interactively
nss (5): Name Service Switch configuration file
nss-systemd (8): Provide UNIX user and group name resolution for user/g...
nsswitch.conf (5): Name Service Switch configuration file
nstat (8): network statistics tools.
nsupdate (1): dynamic DNS update utility
ntfs-3g (8): Third Generation Read/Write NTFS Driver
ntfs-3g.probe (8): Probe an NTFS volume mountability
ntfscat (8): print NTFS files and streams on the standard output
ntfsclone (8): Efficiently clone, image, restore or rescue an NTFS
ntfscluster (8): identify files in a specified region of an NTFS volume.
ntfscmp (8): compare two NTFS filesystems and tell the differences
ntfscp (8): copy file to an NTFS volume.
ntfsdecrypt (8): decrypt or update NTFS files encrypted according to EFS
ntfsfallocate (8): preallocate space to a file on an NTFS volume
ntfsfix (8): fix common errors and force Windows to check NTFS
ntfsinfo (8): dump a file's attributes
ntfslabel (8): display/change the label on an ntfs file system
ntfsls (8): list directory contents on an NTFS filesystem
ntfsprogs (8): tools for doing neat things with NTFS
ntfsrecover (8): Recover updates committed by Windows on an NTFS volume
ntfsresize (8): resize an NTFS filesystem without data loss
ntfssecaudit (8): NTFS Security Data Auditing
ntfstruncate (8): truncate a file on an NTFS volume
ntfsundelete (8): recover a deleted file from an NTFS volume.
ntfsusermap (8): NTFS Building a User Mapping File
ntfswipe (8): overwrite unused space on an NTFS volume
ntp_adjtime (3): tune kernel clock
ntp_gettime (3): get time parameters (NTP daemon interface)
ntp_gettimex (3): get time parameters (NTP daemon interface)
null (4): data sink
numa (7): overview of Non-Uniform Memory Architecture
numa_maps (5): overview of Non-Uniform Memory Architecture
numfmt (1): Convert numbers from/to human-readable strings
objcopy (1): copy and translate object files
objdump (1): display information from object files
ocsp (1ssl): Online Certificate Status Protocol utility
od (1): dump files in octal and other formats
oldfstat (2): get file status
oldlstat (2): get file status
oldolduname (2): get name and information about current kernel
oldstat (2): get file status
olduname (2): get name and information about current kernel
on_ac_power (1): test whether computer is running on AC power
on_exit (3): register a function to be called at normal process ter...
open (2): open and possibly create a file
open_by_handle_at (2): obtain handle for a pathname and open file via a handle
open_memstream (3): open a dynamic memory buffer stream
open_wmemstream (3): open a dynamic memory buffer stream
openat (2): open and possibly create a file
opendir (3): open a directory
openpty (3): terminal utility functions
openssl (1ssl): OpenSSL command line tool
openssl-asn1parse (1ssl): ASN.1 parsing tool
openssl-c_rehash (1ssl): Create symbolic links to files named by the hash va...
openssl-ca (1ssl): sample minimal CA application
openssl-ciphers (1ssl): SSL cipher display and cipher list tool
openssl-cms (1ssl): CMS utility
openssl-crl (1ssl): CRL utility
openssl-crl2pkcs7 (1ssl): Create a PKCS#7 structure from a CRL and certificates
openssl-dgst (1ssl): perform digest operations
openssl-dhparam (1ssl): DH parameter manipulation and generation
openssl-dsa (1ssl): DSA key processing
openssl-dsaparam (1ssl): DSA parameter manipulation and generation
openssl-ec (1ssl): EC key processing
openssl-ecparam (1ssl): EC parameter manipulation and generation
openssl-enc (1ssl): symmetric cipher routines
openssl-engine (1ssl): load and query engines
openssl-gendsa (1ssl): generate a DSA private key from a set of parameters
openssl-genpkey (1ssl): generate a private key
openssl-genrsa (1ssl): generate an RSA private key
openssl-list (1ssl): list algorithms and features
openssl-nseq (1ssl): create or examine a Netscape certificate sequence
openssl-ocsp (1ssl): Online Certificate Status Protocol utility
openssl-pkcs12 (1ssl): PKCS#12 file utility
openssl-pkcs7 (1ssl): PKCS#7 utility
openssl-pkcs8 (1ssl): PKCS#8 format private key conversion tool
openssl-pkey (1ssl): public or private key processing tool
openssl-pkeyparam (1ssl): public key algorithm parameter processing tool
openssl-pkeyutl (1ssl): public key algorithm utility
openssl-prime (1ssl): compute prime numbers
openssl-rehash (1ssl): Create symbolic links to files named by the hash values
openssl-req (1ssl): PKCS#10 certificate request and certificate generating...
openssl-rsa (1ssl): RSA key processing tool
openssl-rsautl (1ssl): RSA utility
openssl-s_client (1ssl): SSL/TLS client program
openssl-s_time (1ssl): SSL/TLS performance timing program
openssl-sess_id (1ssl): SSL/TLS session handling utility
openssl-smime (1ssl): S/MIME utility
openssl-speed (1ssl): test library performance
openssl-spkac (1ssl): SPKAC printing and generating utility
openssl-srp (1ssl): maintain SRP password file
openssl-storeutl (1ssl): STORE utility
openssl-ts (1ssl): Time Stamping Authority tool (client/server)
openssl-tsget (1ssl): Time Stamping HTTP/HTTPS client
openssl-verify (1ssl): Utility to verify certificates
openssl-version (1ssl): print OpenSSL version information
openssl-x509 (1ssl): Certificate display and signing utility
openvt (1): start a program on a new virtual terminal (VT).
operator (7): C operator precedence and order of evaluation
optarg (3): Parse command-line options
opterr (3): Parse command-line options
optind (3): Parse command-line options
optopt (3): Parse command-line options
oqmgr (8postfix): old Postfix queue manager
ordchr (3am): convert characters to strings and vice versa
os-release (5): Operating system identification
ossl_store (7ssl): Store retrieval functions
ossl_store-file (7ssl): The store 'file' scheme loader
outb (2): port I/O
outb_p (2): port I/O
outl (2): port I/O
outl_p (2): port I/O
outsb (2): port I/O
outsl (2): port I/O
outsw (2): port I/O
outw (2): port I/O
outw_p (2): port I/O
overlayroot-chroot (8): chroot into the lower filesystem in a writable mode
ownership (8): Compaq ownership tag retriever
packet (7): packet interface on device level
pager (1): opposite of more
pam (7): Pluggable Authentication Modules for Linux
pam-auth-update (8): manage PAM configuration using packaged profiles
pam.conf (5): PAM configuration files
pam.d (5): PAM configuration files
pam_access (8): PAM module for logdaemon style login access control
pam_cap (8): PAM module to set inheritable capabilities
pam_deny (8): The locking-out PAM module
pam_echo (8): PAM module for printing text messages
pam_env (7): PAM module to set/unset environment variables
pam_exec (8): PAM module which calls an external command
pam_extrausers (8): Module for libnss-extrausers authentication
pam_faildelay (8): Change the delay on failure per-application
pam_faillock (8): Module counting authentication failures during a speci...
pam_filter (8): PAM filter module
pam_getenv (8): get environment variables from /etc/environment
pam_issue (8): PAM module to add issue file to user prompt
pam_keyinit (8): Kernel session keyring initialiser module
pam_lastlog (8): PAM module to display date of last login and perform i...
pam_limits (8): PAM module to limit resources
pam_listfile (8): deny or allow services based on an arbitrary file
pam_localuser (8): require users to be listed in /etc/passwd
pam_loginuid (8): Record user's login uid to the process attribute
pam_mail (8): Inform about available mail
pam_mkhomedir (8): PAM module to create users home directory
pam_motd (8): Display the motd file
pam_namespace (8): PAM module for configuring namespace for a session
pam_nologin (8): Prevent non-root users from login
pam_permit (8): The promiscuous module
pam_pwhistory (8): PAM module to remember last passwords
pam_rootok (8): Gain only root access
pam_securetty (8): Limit root login to special devices
pam_selinux (7): PAM module to set the default security context
pam_sepermit (8): PAM module to allow/deny login depending on SELinux en...
pam_shells (8): PAM module to check for valid login shell
pam_succeed_if (8): test account characteristics
pam_systemd (8): Register user sessions in the systemd login manager
pam_tally (8): The login counter (tallying) module
pam_tally2 (8): The login counter (tallying) module
pam_time (8): PAM module for time control access
pam_timestamp (8): Authenticate using cached successful authentication at...
pam_timestamp_check (8): Check to see if the default timestamp is valid
pam_tty_audit (8): Enable or disable TTY auditing for specified users
pam_umask (8): PAM module to set the file mode creation mask
pam_unix (8): Module for traditional password authentication
pam_userdb (8): PAM module to authenticate against a db database
pam_warn (8): PAM module which logs all PAM items if called
pam_wheel (8): Only permit root access to members of group wheel
parted (8): a partition manipulation program
partprobe (8): inform the OS of partition table changes
partx (8): tell the kernel about the presence and numbering of on...
passphrase-encoding (7ssl): How diverse parts of OpenSSL treat pass phrases ...
passwd (5): the password file
passwd2des (3): RFS password encryption
paste (1): merge lines of files
pastebinit (1): command-line pastebin client
patch (1): apply a diff file to an original
path_resolution (7): how a pathname is resolved to a file
pathchk (1): check whether file names are valid or portable
pathconf (3): get configuration values for files
pause (2): wait for signal
pbget (1): compress and encode arbitrary files to pastebin.com
pbput (1): compress and encode arbitrary files to pastebin.com
pbputs (1): compress and encode arbitrary files to pastebin.com
pcap-filter (7): packet filter syntax
pciconfig_iobase (2): pci device information handling
pciconfig_read (2): pci device information handling
pciconfig_write (2): pci device information handling
pcilib (7): a library for accessing PCI devices
pclose (3): pipe stream to or from a process
pcrepattern (3): Perl-compatible regular expressions
tc-pedit (8): generic packet editor action
peekfd (1): peek at file descriptors of running processes
perf_event_open (2): set up performance monitoring
perfmonctl (2): interface to IA-64 performance monitoring unit
perl (1): The Perl 5 language interpreter
perl5.30-x86_64-linux-gnu (1): The Perl 5 language interpreter
perl5.30.0 (1): The Perl 5 language interpreter
perlbug (1): how to submit bug reports on Perl
perlivp (1): Perl Installation Verification Procedure
perlthanks (1): how to submit bug reports on Perl
perror (3): print a system error message
persistent-keyring (7): per-user persistent keyring
personality (2): set the process execution domain
tc-pfifo_fast (8): three-band first in, first out queue
pftp (1): Internet file transfer program
pgrep (1): look up or signal processes based on name and other at...
phar (1): PHAR (PHP archive) command line tool
phar.phar (1): PHAR (PHP archive) command line tool
phar.phar7.4 (1): PHAR (PHP archive) command line tool
phar7.4 (1): PHAR (PHP archive) command line tool
php (1): PHP Command Line Interface 'CLI'
php-cgi (1): PHP Common Gateway Interface 'CGI' command
php-cgi7.4 (1): PHP Command Line Interface 'CLI'
php7.4 (1): PHP Command Line Interface 'CLI'
phys (2): unimplemented system calls
pic (1): compile pictures for troff or TeX
pickup (8postfix): Postfix local mail pickup
pico (1): Nano's ANOther editor, inspired by Pico
piconv (1): - iconv(1), reinvented in perl
pid_namespaces (7): overview of Linux PID namespaces
pidfd_open (2): obtain a file descriptor that refers to a process
pidfd_send_signal (2): send a signal to a process specified by a file descri...
pidof (8): find the process ID of a running program.
tc-pie (8): Proportional Integral controller-Enhanced AQM algorithm
pinentry (1): PIN or pass-phrase entry dialog for GnuPG
pinentry-curses (1): PIN or pass-phrase entry dialog for GnuPG
ping (8): send ICMP ECHO_REQUEST to network hosts
ping4 (8): send ICMP ECHO_REQUEST to network hosts
ping6 (8): send ICMP ECHO_REQUEST to network hosts
pinky (1): lightweight finger
pipe (2): create pipe
pipe (7): overview of pipes and FIFOs
pipe (8postfix): Postfix delivery to external command
pipe2 (2): create pipe
pivot_root (2): change the root mount
pivot_root (8): change the root filesystem
pkaction (1): Get details about a registered action
pkcheck (1): Check whether a process is authorized
pkcon (1): PackageKit console client
pkcs12 (1ssl): PKCS#12 file utility
pkcs7 (1ssl): PKCS#7 utility
pkcs8 (1ssl): PKCS#8 format private key conversion tool
pkey (1ssl): public or private key processing tool
pkey_alloc (2): allocate or free a protection key
pkey_free (2): allocate or free a protection key
pkey_mprotect (2): set protection on a region of memory
pkeyparam (1ssl): public key algorithm parameter processing tool
pkeys (7): overview of Memory Protection Keys
pkeyutl (1ssl): public key algorithm utility
pkill (1): look up or signal processes based on name and other at...
pklocalauthority (8): PolicyKit Local Authority
pkmon (1): PackageKit console client
pkttyagent (1): Textual authentication helper
pl2pm (1): Rough tool to translate Perl4 .pl files to Perl5 .pm m...
pldd (1): display dynamic shared objects linked into a process
plipconfig (8): fine tune PLIP device parameters
plymouth (8): A graphical boot system and logger
pmap_getmaps (3): library routines for remote procedure calls
pmap_getport (3): library routines for remote procedure calls
pmap_rmtcall (3): library routines for remote procedure calls
pmap_set (3): library routines for remote procedure calls
pmap_unset (3): library routines for remote procedure calls
pod2html (1): convert .pod files to .html files
pod2man (1): Convert POD data to formatted *roff input
pod2text (1): Convert POD data to formatted ASCII text
pod2usage (1): print usage messages from embedded pod docs in files
podchecker (1): check the syntax of POD format documentation files
podselect (1): print selected sections of pod documentation on standa...
tc-police (8): policing action
polkit (8): Authorization Framework
polkitd (8): PolicyKit daemon
poll (2): wait for some event on a file descriptor
pollinate (1): an Entropy-as-a-Service client
popcon-largest-unused (8): List size of unused packages
popen (3): pipe stream to or from a process
popularity-contest (8): list the most popular Debian packages
posix_fadvise (2): predeclare an access pattern for file data
posix_fallocate (3): allocate file space
posix_madvise (3): give advice about patterns of memory usage
posix_memalign (3): allocate aligned memory
posix_openpt (3): open a pseudoterminal device
posix_spawn (3): spawn a process
posix_spawnp (3): spawn a process
posixoptions (7): optional parts of the POSIX standard
POST (1p): Simple command line user agent
postalias (1): Postfix alias database maintenance
postcat (1): show Postfix queue file contents
postconf (1): Postfix configuration utility
postconf (5): Postfix configuration parameters
postdrop (1): Postfix mail posting utility
postfix (1): Postfix control program
postfix-add-filter (8): add filter service to Postfix master.cf
postfix-add-policy (8): add policy service to Postfix master.cf
postfix-tls (1): Postfix TLS management
postfix-wrapper (5): Postfix multi-instance API
postkick (1): kick a Postfix service
postlock (1): lock mail folder and execute command
postlog (1): Postfix-compatible logging utility
postlogd (8postfix): Postfix internal log server
postmap (1): Postfix lookup table management
postmulti (1): Postfix multi-instance manager
postqueue (1): Postfix queue control
postscreen (8postfix): Postfix zombie blocker
postsuper (1): Postfix superintendent
posttls-finger (1): Probe the TLS properties of an ESMTP or LMTP server.
pow (3): power functions
pow10 (3): base-10 power functions
pow10f (3): base-10 power functions
pow10l (3): base-10 power functions
poweroff (8): Halt, power-off or reboot the machine
powf (3): power functions
powl (3): power functions
ppoll (2): wait for some event on a file descriptor
pr (1): convert text files for printing
prctl (2): operations on a process
pread (2): read from or write to a file descriptor at a given offset
pread64 (2): read from or write to a file descriptor at a given offset
preadv (2): read or write data into multiple buffers
preadv2 (2): read or write data into multiple buffers
precedence (7): C operator precedence and order of evaluation
preconv (1): convert encoding of input files to something GNU troff...
prime (1ssl): compute prime numbers
print (1): execute programs via entries in the mailcap file
printenv (1): print all or part of environment
printerbanner (1): print large banner on printer
printf (1): format and print data
printf (3): formatted output conversion
tc-prio (8): Priority qdisc
prlimit (1): get and set process resource limits
prlimit (2): get/set resource limits
vlimit (3): get/set resource limits
prlimit64 (2): get/set resource limits
probe-bcache (8): probe a bcache device
proc (5): process information pseudo-filesystem
process-keyring (7): per-process shared keyring
process_vm_writev (2): transfer data between process address spaces
procfs (5): process information pseudo-filesystem
prof (2): unimplemented system calls
profil (3): execution time profile
program_invocation_name (3): obtain name used to invoke calling program
program_invocation_short_name (3): obtain name used to invoke calling program
projects (5): persistent project root definition
projid (5): the project name mapping file
protocols (5): protocols definition file
proxy-certificates (7ssl): Proxy certificates in OpenSSL
proxymap (8postfix): Postfix lookup table proxy server
prtstat (1): print statistics of a process
pselect (2): synchronous I/O multiplexing
pselect6 (2): synchronous I/O multiplexing
psfaddtable (1): add a Unicode character table to a console font
psfgettable (1): extract the embedded Unicode character table from a co...
psfstriptable (1): remove the embedded Unicode character table from a con...
psfxtable (1): handle Unicode character tables for console fonts
psiginfo (3): print signal message
psignal (3): print signal message
pstore.conf (5): PStore configuration file
pstore.conf.d (5): PStore configuration file
pstree (1): display a tree of processes
pstree.x11 (1): display a tree of processes
ptar (1): a tar-like program written in perl
ptardiff (1): program that diffs an extracted archive against an une...
ptargrep (1): Apply pattern matching to the contents of files in a t...
pthread_attr_destroy (3): initialize and destroy thread attributes object
pthread_attr_getaffinity_np (3): set/get CPU affinity attribute in thread at...
pthread_attr_getdetachstate (3): set/get detach state attribute in thread at...
pthread_attr_getguardsize (3): set/get guard size attribute in thread attrib...
pthread_attr_getinheritsched (3): set/get inherit-scheduler attribute in thr...
pthread_attr_getschedparam (3): set/get scheduling parameter attributes in t...
pthread_attr_getschedpolicy (3): set/get scheduling policy attribute in thre...
pthread_attr_getscope (3): set/get contention scope attribute in thread attr...
pthread_attr_getstack (3): set/get stack attributes in thread attributes object
pthread_attr_getstackaddr (3): set/get stack address attribute in thread att...
pthread_attr_getstacksize (3): set/get stack size attribute in thread attrib...
pthread_attr_init (3): initialize and destroy thread attributes object
pthread_attr_setaffinity_np (3): set/get CPU affinity attribute in thread at...
pthread_attr_setdetachstate (3): set/get detach state attribute in thread at...
pthread_attr_setguardsize (3): set/get guard size attribute in thread attrib...
pthread_attr_setinheritsched (3): set/get inherit-scheduler attribute in thr...
pthread_attr_setschedparam (3): set/get scheduling parameter attributes in t...
pthread_attr_setschedpolicy (3): set/get scheduling policy attribute in thre...
pthread_attr_setscope (3): set/get contention scope attribute in thread attr...
pthread_attr_setstack (3): set/get stack attributes in thread attributes object
pthread_attr_setstackaddr (3): set/get stack address attribute in thread att...
pthread_attr_setstacksize (3): set/get stack size attribute in thread attrib...
pthread_cancel (3): send a cancellation request to a thread
pthread_cleanup_pop (3): push and pop thread cancellation clean-up handlers
pthread_cleanup_pop_restore_np (3): push and pop thread cancellation clean-u...
pthread_cleanup_push (3): push and pop thread cancellation clean-up handlers
pthread_cleanup_push_defer_np (3): push and pop thread cancellation clean-up...
pthread_equal (3): compare thread IDs
pthread_exit (3): terminate calling thread
pthread_getaffinity_np (3): set/get CPU affinity of a thread
pthread_getattr_default_np (3): get or set default thread-creation attributes
pthread_getattr_np (3): get attributes of created thread
pthread_getcpuclockid (3): retrieve ID of a thread's CPU time clock
pthread_getschedparam (3): set/get scheduling policy and parameters of a thread
pthread_join (3): join with a terminated thread
pthread_kill (3): send a signal to a thread
pthread_kill_other_threads_np (3): terminate all other threads in process
pthread_mutex_consistent (3): make a robust mutex consistent
pthread_mutex_consistent_np (3): make a robust mutex consistent
pthread_mutexattr_getpshared (3): get/set process-shared mutex attribute
pthread_mutexattr_getrobust (3): get and set the robustness attribute of a m...
pthread_mutexattr_getrobust_np (3): get and set the robustness attribute of ...
pthread_mutexattr_setpshared (3): get/set process-shared mutex attribute
pthread_mutexattr_setrobust (3): get and set the robustness attribute of a m...
pthread_mutexattr_setrobust_np (3): get and set the robustness attribute of ...
pthread_rwlockattr_getkind_np (3): set/get the read-write lock kind of the t...
pthread_rwlockattr_setkind_np (3): set/get the read-write lock kind of the t...
pthread_self (3): obtain ID of the calling thread
pthread_setaffinity_np (3): set/get CPU affinity of a thread
pthread_setattr_default_np (3): get or set default thread-creation attributes
pthread_setcancelstate (3): set cancelability state and type
pthread_setcanceltype (3): set cancelability state and type
pthread_setschedparam (3): set/get scheduling policy and parameters of a thread
pthread_setschedprio (3): set scheduling priority of a thread
pthread_sigmask (3): examine and change mask of blocked signals
pthread_sigqueue (3): queue a signal and data to a thread
pthread_spin_destroy (3): initialize or destroy a spin lock
pthread_spin_init (3): initialize or destroy a spin lock
pthread_spin_lock (3): lock and unlock a spin lock
pthread_spin_trylock (3): lock and unlock a spin lock
pthread_spin_unlock (3): lock and unlock a spin lock
pthread_testcancel (3): request delivery of any pending cancellation request
pthread_timedjoin_np (3): try to join with a terminated thread
pthread_tryjoin_np (3): try to join with a terminated thread
pthread_yield (3): yield the processor
pthreads (7): POSIX threads
ptmx (4): pseudoterminal master and slave
pts (4): pseudoterminal master and slave
ptsname (3): get the name of the slave pseudoterminal
ptsname_r (3): get the name of the slave pseudoterminal
ptx (1): produce a permuted index of file contents
pty (7): pseudoterminal interfaces
pure-authd (8): External authentication agent for Pure-FTPd.
pure-certd (8): TLS certificate agent for Pure-FTPd.
pure-ftpd (8): simple File Transfer Protocol server
pure-ftpd-control (8): invokes init script for installed Pure-FTPd flavour
pure-ftpd-virtualchroot (8): simple File Transfer Protocol server
pure-ftpd-wrapper (8): configures and starts Pure-FTPd daemon
pure-ftpwho (8): Report current FTP sessions
pure-mrtginfo (8): provide an MRTG-graphable user count for ftpd
pure-pw (8): Manage virtual users files for Pure-FTPd
pure-pwconvert (8): Generate a virtual users file from system accounts
pure-quotacheck (8): Update virtual quota files for Pure-FTPd
pure-statsdecode (8): Show human-readable dates from a "stats" logfile
pure-uploadscript (8): Automatically run an external program after a success...
putc (3): output of characters and strings
putc_unlocked (3): nonlocking stdio functions
putchar (3): output of characters and strings
putchar_unlocked (3): nonlocking stdio functions
putenv (3): change or add an environment variable
putgrent (3): write a group database entry to a file
putmsg (2): unimplemented system calls
putpmsg (2): unimplemented system calls
putpwent (3): write a password file entry
puts (3): output of characters and strings
putspent (3): get shadow password file entry
pututline (3): access utmp file entries
pututxline (3): access utmp file entries
putw (3): input and output of words (ints)
putwc (3): write a wide character to a FILE stream
putwc_unlocked (3): nonlocking stdio functions
putwchar (3): write a wide character to standard output
putwchar_unlocked (3): nonlocking stdio functions
pvalloc (3): allocate aligned memory
pvchange (8): Change attributes of physical volume(s)
pvck (8): Check metadata on physical volumes
pvcreate (8): Initialize physical volume(s) for use by LVM
pvdisplay (8): Display various attributes of physical volume(s)
pvmove (8): Move extents from one physical volume to another
pvremove (8): Remove LVM label(s) from physical volume(s)
pvresize (8): Resize physical volume(s)
pvs (8): Display information about physical volumes
pvscan (8): List all physical volumes
pwck (8): verify integrity of password files
pwd (1): print name of current/working directory
pwdx (1): report current working directory of a process
pwrite (2): read from or write to a file descriptor at a given offset
pwrite64 (2): read from or write to a file descriptor at a given offset
pwritev (2): read or write data into multiple buffers
pwritev2 (2): read or write data into multiple buffers
py3clean (1): removes .pyc and .pyo files
py3compile (1): byte compile Python 3 source files
py3versions (1): print python3 version information
pyclean (1): removes .pyc and .pyo files
pycompile (1): byte compile Python source files
pydoc2 (1): the Python documentation tool
pydoc2.7 (1): the Python documentation tool
pydoc3 (1): the Python documentation tool
pydoc3.8 (1): the Python documentation tool
pygettext2.7 (1): Python equivalent of xgettext(1)
pygettext2 (1): Python equivalent of xgettext(1)
pygettext3 (1): Python equivalent of xgettext(1)
pygettext3.8 (1): Python equivalent of xgettext(1)
pyjwt3 (1): Python implementation of JSON Web Token
python2.7 (1): an interpreted, interactive, object-oriented programmi...
python2 (1): an interpreted, interactive, object-oriented programmi...
python3 (1): an interpreted, interactive, object-oriented programmi...
python3.8 (1): an interpreted, interactive, object-oriented programmi...
pyversions (1): print python version information
qecvt (3): convert a floating-point number to a string
qecvt_r (3): convert a floating-point number to a string
qfcvt (3): convert a floating-point number to a string
qfcvt_r (3): convert a floating-point number to a string
qgcvt (3): convert a floating-point number to a string
qmgr (8postfix): Postfix queue manager
qmqp-sink (1): parallelized QMQP test server
qmqp-source (1): parallelized QMQP test generator
qmqpd (8postfix): Postfix QMQP server
qshape (1): Print Postfix queue domain and age distribution
query_module (2): query the kernel for various bits pertaining to modules
queue (3): implementations of singly-linked lists, singly-linked ...
quotactl (2): manipulate disk quotas
raise (3): send a signal to the caller
ram (4): ram disk device
RAND_DRBG (7ssl): the deterministic random bit generator
random (4): kernel random number source devices
random (7): overview of interfaces for obtaining randomness
ranlib (1): generate an index to an archive
rarp (8): manipulate the system RARP table
raw (7): Linux IPv4 raw sockets
raw (8): bind a Linux raw character device
rbash (1): restricted bash, see bash(1)
rcmd (3): routines for returning a stream to a remote command
rcmd_af (3): routines for returning a stream to a remote command
rcp (1): OpenSSH secure file copy
rdma-dev (8): RDMA device configuration
rdma-link (8): rdma link configuration
rdma-resource (8): rdma resource configuration
rdma-statistic (8): RDMA statistic counter configuration
rdma-system (8): RDMA subsystem configuration
re_comp (3): BSD regex functions
re_exec (3): BSD regex functions
re_format (7): POSIX.2 regular expressions
read (2): read from a file descriptor
rwarray (3am): write and read gawk arrays to/from files
readahead (2): initiate file readahead into page cache
readdir (2): read directory entry
readdir (3): read a directory
readdir (3am): directory input parser for gawk
readdir_r (3): read a directory
readelf (1): display information about ELF files
readfile (3am): return the entire contents of a file as a string
readline (3readline): get a line from a user with editing
readlink (1): print resolved symbolic links or canonical file names
readlink (2): read value of a symbolic link
readlinkat (2): read value of a symbolic link
readprofile (8): read kernel profiling information
readv (2): read or write data into multiple buffers
realloc (3): allocate and free dynamic memory
reallocarray (3): allocate and free dynamic memory
realpath (1): print the resolved path
realpath (3): return the canonicalized absolute pathname
reboot (2): reboot or enable/disable Ctrl-Alt-Del
reboot (8): Halt, power-off or reboot the machine
recv (2): receive a message from a socket
recvfrom (2): receive a message from a socket
recvmmsg (2): receive multiple messages on a socket
recvmsg (2): receive a message from a socket
red (1): line-oriented text editor
tc-red (8): Random Early Detection
regcomp (3): POSIX regex functions
regdbdump (8): parse and print out regulatory rules file
regerror (3): POSIX regex functions
regex (3): POSIX regex functions
regex (7): POSIX.2 regular expressions
regexec (3): POSIX regex functions
regexp_table (5): format of Postfix regular expression tables
regfree (3): POSIX regex functions
registerrpc (3): library routines for remote procedure calls
regulatory.bin (5): The Linux wireless regulatory database
regulatory.db (5): The Linux wireless regulatory database
rehash (1ssl): Create symbolic links to files named by the hash values
relocated (5): Postfix relocated table format
remainder (3): floating-point remainder function
remainderf (3): floating-point remainder function
remainderl (3): floating-point remainder function
remap_file_pages (2): create a nonlinear file mapping
remove (3): remove a file or directory
remove-shell (8): remove shells from the list of valid login shells
removexattr (2): remove an extended attribute
remque (3): insert/remove an item from a queue
remquo (3): remainder and part of quotient
remquof (3): remainder and part of quotient
remquol (3): remainder and part of quotient
rename.ul (1): rename files
rename (2): change the name or location of a file
renameat (2): change the name or location of a file
renameat2 (2): change the name or location of a file
renice (1): alter priority of running processes
repertoiremap (5): map symbolic character names to Unicode code points
req (1ssl): PKCS#10 certificate request and certificate generating...
request_key (2): request a key from the kernel's key management facility
res_init (3): resolver routines
res_mkquery (3): resolver routines
res_nclose (3): resolver routines
res_ninit (3): resolver routines
res_nmkquery (3): resolver routines
res_nquery (3): resolver routines
res_nquerydomain (3): resolver routines
res_nsearch (3): resolver routines
res_nsend (3): resolver routines
res_query (3): resolver routines
res_querydomain (3): resolver routines
res_search (3): resolver routines
res_send (3): resolver routines
rescan-scsi-bus.sh (8): script to add and remove SCSI devices without rebooting
reset (1): terminal initialization
resize2fs (8): ext2/ext3/ext4 file system resizer
resizecons (8): change kernel idea of the console size
resizepart (8): tell the kernel about the new size of a partition
resolv.conf (5): resolver configuration file
resolvconf (1): Resolve domain names, IPV4 and IPv6 addresses, DNS res...
resolvectl (1): Resolve domain names, IPV4 and IPv6 addresses, DNS res...
resolved.conf (5): Network Name Resolution configuration files
resolved.conf.d (5): Network Name Resolution configuration files
resolver (3): resolver routines
resolver (5): resolver configuration file
restart_syscall (2): restart a system call after interruption by a stop signal
rev (1): reverse lines characterwise
revoutput (3am): Reverse output strings sample extension
revtwoway (3am): Reverse strings sample two-way processor extension
rewind (3): reposition a stream
rewinddir (3): reset directory stream
rgrep (1): print lines that match patterns
rindex (3): locate character in string
rint (3): round to nearest integer
rintf (3): round to nearest integer
rintl (3): round to nearest integer
rlogin (1): OpenSSH remote login client
rm (1): remove files or directories
rmail (8): handle remote mail received via uucp
rmdir (1): remove empty directories
rmdir (2): delete a directory
rmmod (8): Simple program to remove a module from the Linux Kernel
rmt (8): remote magnetic tape server
rmt-tar (8): remote magnetic tape server
rnano (1): a restricted nano
rndc (8): name server control utility
rndc-confgen (8): rndc key generation tool
rndc.conf (5): rndc configuration file
rotatelogs (8): Piped logging program to rotate Apache logs
round (3): round to nearest integer, away from zero
roundf (3): round to nearest integer, away from zero
roundl (3): round to nearest integer, away from zero
route (8): show / manipulate the IP routing table
routel (8): list routes with pretty output format
rpc (3): library routines for remote procedure calls
rpcgen (1): an RPC protocol compiler
rpmatch (3): determine if the answer to a question is affirmative o...
rresvport (3): routines for returning a stream to a remote command
rresvport_af (3): routines for returning a stream to a remote command
rsa (1ssl): RSA key processing tool
RSA-PSS (7ssl): EVP_PKEY RSA-PSS algorithm support
rsautl (1ssl): RSA utility
rsh (1): OpenSSH remote login client
rsync (1): a fast, versatile, remote (and local) file-copying tool
rsyncd.conf (5): configuration file for rsync in daemon mode
rsyslog.conf (5): rsyslogd(8) configuration file
rsyslogd (8): reliable and extended syslogd
rt_sigaction (2): examine and change a signal action
rt_sigpending (2): examine pending signals
rt_sigprocmask (2): examine and change blocked signals
rt_sigqueueinfo (2): queue a signal and data
rt_sigreturn (2): return from signal handler and cleanup stack frame
rt_sigsuspend (2): wait for a signal
rt_sigtimedwait (2): synchronously wait for queued signals
rt_tgsigqueueinfo (2): queue a signal and data
rtacct (8): network statistics tools.
rtc (4): real-time clock
rtcwake (8): enter a system sleep state until specified wakeup time
rtime (3): get time from a remote machine
rtld-audit (7): auditing API for the dynamic linker
rtmon (8): listens to and monitors RTnetlink
rtnetlink (3): macros to manipulate rtnetlink messages
rtnetlink (7): Linux IPv4 routing socket
rtpr (8): replace backslashes with newlines.
rtstat (8): unified linux network statistics
run-mailcap (1): execute programs via entries in the mailcap file
run-one (1): run just one instance at a time of some command and un...
run-one-constantly (1): run just one instance at a time of some command and ...
run-one-until-failure (1): run just one instance at a time of some command a...
run-one-until-success (1): run just one instance at a time of some command a...
run-parts (8): run scripts or programs in a directory
run-this-one (1): run just one instance at a time of some command and un...
runcon (1): run command with specified security context
runlevel (8): Print previous and current SysV runlevel
runuser (1): run a command with substitute user and group ID
ruserok (3): routines for returning a stream to a remote command
ruserok_af (3): routines for returning a stream to a remote command
rview (1): Vi IMproved, a programmer's text editor
rvim (1): Vi IMproved, a programmer's text editor
s390_guarded_storage (2): operations with z/Architecture guarded storage fac...
s390_pci_mmio_read (2): transfer data to/from PCI MMIO memory page
s390_pci_mmio_write (2): transfer data to/from PCI MMIO memory page
s390_runtime_instr (2): enable/disable s390 CPU run-time instrumentation
s390_sthyi (2): emulate STHYI instruction
s_client (1ssl): SSL/TLS client program
s_time (1ssl): SSL/TLS performance timing program
safe_finger (8): finger client wrapper that protects against nasty stuf...
tc-sample (8): packet sampling tc action
savelog (8): save a log file
sbattach (1): UEFI secure boot detached signature tool
sbrk (2): change data segment size
sbsiglist (1): Create EFI_SIGNATURE_LIST signature databases
sbsign (1): UEFI secure boot signing tool
sbvarsign (1): UEFI authenticated variable signing tool
sbverify (1): UEFI secure boot verification tool
scache (8postfix): Postfix shared connection cache server
scalb (3): multiply floating-point number by integral power of ra...
scalbf (3): multiply floating-point number by integral power of ra...
scalbl (3): multiply floating-point number by integral power of ra...
scalbln (3): multiply floating-point number by integral power of radix
scalblnf (3): multiply floating-point number by integral power of radix
scalblnl (3): multiply floating-point number by integral power of radix
scalbn (3): multiply floating-point number by integral power of radix
scalbnf (3): multiply floating-point number by integral power of radix
scalbnl (3): multiply floating-point number by integral power of radix
scandir (3): scan a directory for matching entries
scandirat (3): scan a directory for matching entries
scanf (3): input format conversion
sched (7): overview of CPU scheduling
sched_get_priority_max (2): get static priority range
sched_get_priority_min (2): get static priority range
sched_getaffinity (2): set and get a thread's CPU affinity mask
sched_getattr (2): set and get scheduling policy and attributes
sched_getcpu (3): determine CPU on which the calling thread is running
sched_getparam (2): set and get scheduling parameters
sched_getscheduler (2): set and get scheduling policy/parameters
sched_rr_get_interval (2): get the SCHED_RR interval for the named process
sched_setaffinity (2): set and get a thread's CPU affinity mask
sched_setattr (2): set and get scheduling policy and attributes
sched_setparam (2): set and get scheduling parameters
sched_setscheduler (2): set and get scheduling policy/parameters
sched_yield (2): yield the processor
scp (1): OpenSSH secure file copy
screen (1): screen manager with VT100/ANSI terminal emulation
screendump (1): dump the contents of a virtual console to stdout
script (1): make typescript of terminal session
scriptreplay (1): play back typescripts, using timing information
scsi_logging_level (8): access Linux SCSI logging level information
scsi_mandat (8): check SCSI device support for mandatory commands
scsi_readcap (8): do SCSI READ CAPACITY command on disks
scsi_ready (8): do SCSI TEST UNIT READY on devices
scsi_satl (8): check SCSI to ATA Translation (SAT) device support
scsi_start (8): start one or more SCSI disks
scsi_stop (8): stop (spin down) one or more SCSI disks
scsi_temperature (8): fetch the temperature of a SCSI device
sd (4): driver for SCSI disk drives
sd-boot (7): A simple UEFI boot manager
sdiff (1): (unknown subject)
seccomp (2): operate on Secure Computing state of the process
secure_getenv (3): get an environment variable
securetty (5): file which lists terminals from which root can log in
security (2): unimplemented system calls
sed (1): stream editor for filtering and transforming text
see (1): execute programs via entries in the mailcap file
seed48 (3): generate uniformly distributed pseudo-random numbers
seed48_r (3): generate uniformly distributed pseudo-random numbers r...
seekdir (3): set the position of the next readdir() call in the dir...
select (2): synchronous I/O multiplexing
select-editor (1): select your default sensible-editor from all installed...
select_tut (2): synchronous I/O multiplexing
sem_init (3): initialize an unnamed semaphore
sem_open (3): initialize and open a named semaphore
sem_overview (7): overview of POSIX semaphores
sem_timedwait (3): lock a semaphore
sem_trywait (3): lock a semaphore
sem_unlink (3): remove a named semaphore
sem_wait (3): lock a semaphore
semanage.conf (5): global configuration file for the SELinux Management l...
semctl (2): System V semaphore control operations
semget (2): get a System V semaphore set identifier
semop (2): System V semaphore operations
semtimedop (2): System V semaphore operations
sendfile (2): transfer data between file descriptors
sendfile64 (2): transfer data between file descriptors
sendmail (1): Postfix to Sendmail compatibility interface
sendmmsg (2): send multiple messages on a socket
sensible-browser (1): sensible editing, paging, and web browsing
sensible-editor (1): sensible editing, paging, and web browsing
sensible-pager (1): sensible editing, paging, and web browsing
sepermit.conf (5): configuration file for the pam_sepermit module
seq (1): print a sequence of numbers
service (8): run a System V init script
services (5): Internet network services list
sess_id (1ssl): SSL/TLS session handling utility
session-keyring (7): session shared process keyring
set_mempolicy (2): set default NUMA memory policy for a thread and its ch...
set_robust_list (2): get/set list of robust futexes
set_thread_area (2): manipulate thread-local storage information
set_tid_address (2): set pointer to thread ID
setaliasent (3): read an alias entry
setarch (8): change reported architecture in new program environmen...
setbuf (3): stream buffering operations
setbuffer (3): stream buffering operations
setcap (8): set file capabilities
setdomainname (2): get/set NIS domain name
setegid (2): set effective user or group ID
setenv (3): change or add an environment variable
seteuid (2): set effective user or group ID
setfsent (3): handle fstab entries
setfsgid (2): set group identity used for filesystem checks
setfsgid32 (2): set group identity used for filesystem checks
setfsuid (2): set user identity used for filesystem checks
setfsuid32 (2): set user identity used for filesystem checks
setgid (2): set group identity
setgid32 (2): set group identity
setgrent (3): get group file entry
setgroups (2): get/set list of supplementary group IDs
setgroups32 (2): get/set list of supplementary group IDs
sethostid (2): get or set the unique identifier of the current host
sethostid (3): get or set the unique identifier of the current host
setitimer (2): get or set value of an interval timer
setjmp (3): performing a nonlocal goto
setkey (3): encrypt 64-bit messages
setkey_r (3): encrypt 64-bit messages
setkeycodes (8): load kernel scancode-to-keycode mapping table entries
setlinebuf (3): stream buffering operations
setlogmask (3): set log priority mask
setmetamode (1): define the keyboard meta key handling
setmntent (3): get filesystem descriptor file entry
setnetgrent (3): handle network group entries
setns (2): reassociate thread with a namespace
setpci (8): configure PCI devices
setpgid (2): set/get process group
setpriority (2): get/set program scheduling priority
setpriv (1): run a program with different Linux privilege settings
setpwent (3): get password file entry
setregid (2): set real and/or effective user or group ID
setregid32 (2): set real and/or effective user or group ID
setresgid (2): set real, effective and saved user or group ID
setresgid32 (2): set real, effective and saved user or group ID
setresuid (2): set real, effective and saved user or group ID
setresuid32 (2): set real, effective and saved user or group ID
setreuid (2): set real and/or effective user or group ID
setreuid32 (2): set real and/or effective user or group ID
setrlimit (2): get/set resource limits
setservent (3): get service entry
setsid (1): run a program in a new session
setsid (2): creates a session and sets the process group ID
setsockopt (2): get and set options on sockets
setspent (3): get shadow password file entry
setterm (1): set terminal attributes
settimeofday (2): get / set time
setttyent (3): get ttys file entry
setuid (2): set user identity
setuid32 (2): set user identity
setup (2): setup devices and filesystems, mount root filesystem
setusershell (3): get permitted user shells
setutent (3): access utmp file entries
setutxent (3): access utmp file entries
setvbuf (3): stream buffering operations
setvesablank (8): Turn VESA screen blanking on or off
setvtrgb (1): customize the console color map
setvtrgb (8): set the virtual terminal RGB colors
setxattr (2): set an extended attribute value
tc-sfb (8): Stochastic Fair Blue
sfdisk (8): display or manipulate a disk partition table
tc-sfq (8): Stochastic Fairness Queueing
sftp (1): OpenSSH secure file transfer
sg (1): execute command as different group ID
sg3_utils (8): a package of utilities for sending SCSI commands
sg_bg_ctl (8): send SCSI BACKGROUND CONTROL command
sg_compare_and_write (8): send the SCSI COMPARE AND WRITE command
sg_copy_results (8): send SCSI RECEIVE COPY RESULTS command (XCOPY related)
sg_dd (8): copy data to and from files and devices, especially SC...
sg_decode_sense (8): decode SCSI sense and related data
sg_emc_trespass (8): change ownership of SCSI LUN from another Service-Proc...
sg_format (8): format, resize a SCSI disk or format a tape
sg_get_config (8): send SCSI GET CONFIGURATION command (MMC-4 +)
sg_get_lba_status (8): send SCSI GET LBA STATUS(16 or 32) command
sg_ident (8): send SCSI REPORT/SET IDENTIFYING INFORMATION command
sg_inq (8): issue SCSI INQUIRY command and/or decode its response
sg_logs (8): access log pages with SCSI LOG SENSE command
sg_luns (8): send SCSI REPORT LUNS command or decode given LUN
sg_map (8): displays mapping between Linux sg and other SCSI devices
sg_map26 (8): map SCSI generic (sg) device to corresponding device n...
sg_modes (8): reads mode pages with SCSI MODE SENSE command
sg_opcodes (8): report supported SCSI commands or task management func...
sg_persist (8): use SCSI PERSISTENT RESERVE command to access registra...
sg_prevent (8): send SCSI PREVENT ALLOW MEDIUM REMOVAL command
sg_raw (8): send arbitrary SCSI command to a device
sg_rbuf (8): reads data using SCSI READ BUFFER command
sg_rdac (8): display or modify SCSI RDAC Redundant Controller mode ...
sg_read (8): read multiple blocks of data, optionally with SCSI REA...
sg_read_attr (8): send SCSI READ ATTRIBUTE command
sg_read_block_limits (8): send SCSI READ BLOCK LIMITS command
sg_read_buffer (8): send SCSI READ BUFFER command
sg_read_long (8): send a SCSI READ LONG command
sg_readcap (8): send SCSI READ CAPACITY command
sg_reassign (8): send SCSI REASSIGN BLOCKS command
sg_referrals (8): send SCSI REPORT REFERRALS command
sg_rep_zones (8): send SCSI REPORT ZONES command
sg_requests (8): send one or more SCSI REQUEST SENSE commands
sg_reset (8): sends SCSI device, target, bus or host reset; or check...
sg_reset_wp (8): send SCSI RESET WRITE POINTER command
sg_rmsn (8): send SCSI READ MEDIA SERIAL NUMBER command
sg_rtpg (8): send SCSI REPORT TARGET PORT GROUPS command
sg_safte (8): access SCSI Accessed Fault-Tolerant Enclosure (SAF-TE)...
sg_sanitize (8): remove all user data from disk with SCSI SANITIZE command
sg_sat_identify (8): send ATA IDENTIFY DEVICE command via SCSI to ATA Trans...
sg_sat_phy_event (8): use ATA READ LOG EXT via a SAT pass-through to fetch S...
sg_sat_read_gplog (8): use ATA READ LOG EXT command via a SCSI to ATA Transl...
sg_sat_set_features (8): use ATA SET FEATURES command via a SCSI to ATA Tran...
sg_scan (8): scans sg devices (or SCSI/ATAPI/ATA devices) and print...
sg_seek (8): send SCSI SEEK, PRE-FETCH(10) or PRE-FETCH(16) command
sg_senddiag (8): performs a SCSI SEND DIAGNOSTIC command
sg_ses (8): access a SCSI Enclosure Services (SES) device
sg_ses_microcode (8): send microcode to a SCSI enclosure
sg_start (8): send SCSI START STOP UNIT command: start, stop, load o...
sg_stpg (8): send SCSI SET TARGET PORT GROUPS command
sg_stream_ctl (8): send SCSI STREAM CONTROL or GET STREAM STATUS command
sg_sync (8): send SCSI SYNCHRONIZE CACHE command
sg_test_rwbuf (8): test a SCSI host adapter by issuing dummy writes and r...
sg_timestamp (8): report or set timestamp on SCSI device
sg_turs (8): send one or more SCSI TEST UNIT READY commands
sg_unmap (8): send SCSI UNMAP command (known as 'trim' in ATA specs)
sg_verify (8): invoke SCSI VERIFY command(s) on a block device
sg_vpd (8): fetch SCSI VPD page and/or decode its response
sg_wr_mode (8): write (modify) SCSI mode page
sg_write_verify (8): send the SCSI WRITE AND VERIFY command
sg_write_buffer (8): send SCSI WRITE BUFFER commands
sg_write_long (8): send SCSI WRITE LONG command
sg_write_same (8): send SCSI WRITE SAME command
sg_write_x (8): SCSI WRITE normal/ATOMIC/SAME/SCATTERED/STREAM, ORWRIT...
sg_xcopy (8): copy data to and from files and devices using SCSI EXT...
sg_zone (8): send SCSI OPEN, CLOSE, FINISH or SEQUENTIALIZE ZONE co...
sgdisk (8): Command-line GUID partition table (GPT) manipulator fo...
sgetmask (2): manipulation of signal mask (obsolete)
sgetspent (3): get shadow password file entry
sgetspent_r (3): get shadow password file entry
sginfo (8): access mode page information for a SCSI (or ATAPI) device
sgm_dd (8): copy data to and from files and devices, especially SC...
sgp_dd (8): copy data to and from files and devices, especially SC...
sh (1): command interpreter (shell)
sha1sum (1): compute and check SHA1 message digest
sha224sum (1): compute and check SHA224 message digest
sha256sum (1): compute and check SHA256 message digest
sha384sum (1): compute and check SHA384 message digest
sha512sum (1): compute and check SHA512 message digest
shadow (5): shadowed password file
shasum (1): Print or Check SHA Checksums
shells (5): pathnames of valid login shells
shm_open (3): create/open or unlink POSIX shared memory objects
shm_overview (7): overview of POSIX shared memory
shm_unlink (3): create/open or unlink POSIX shared memory objects
shmat (2): System V shared memory operations
shmdt (2): System V shared memory operations
shmop (2): System V shared memory operations
showkey (1): examine the codes sent by the keyboard
showq (8postfix): list the Postfix mail queue
shred (1): overwrite a file to hide its contents, and optionally ...
shuf (1): generate random permutations
shutdown (2): shut down part of a full-duplex connection
shutdown (8): Halt, power-off or reboot the machine
sigaction (2): examine and change a signal action
sigaddset (3): POSIX signal set operations
sigaltstack (2): set and/or get signal stack context
sigandset (3): POSIX signal set operations
sigblock (3): BSD signal API
sigdelset (3): POSIX signal set operations
sigemptyset (3): POSIX signal set operations
sigevent (7): structure for notification from asynchronous routines
sigfillset (3): POSIX signal set operations
siggetmask (3): BSD signal API
sighold (3): System V signal API
sigignore (3): System V signal API
siginterrupt (3): allow signals to interrupt system calls
sigisemptyset (3): POSIX signal set operations
sigismember (3): POSIX signal set operations
siglongjmp (3): performing a nonlocal goto
sigmask (3): BSD signal API
signal (2): ANSI C signal handling
signal (7): overview of signals
signal-safety (7): async-signal-safe functions
signalfd (2): create a file descriptor for accepting signals
signalfd4 (2): create a file descriptor for accepting signals
signbit (3): test sign of a real floating-point number
signgam (3): log gamma function
significand (3): get mantissa of floating-point number
significandf (3): get mantissa of floating-point number
significandl (3): get mantissa of floating-point number
sigorset (3): POSIX signal set operations
sigpause (3): atomically release blocked signals and wait for interrupt
sigpending (2): examine pending signals
sigprocmask (2): examine and change blocked signals
sigqueue (2): queue a signal and data to a process
sigqueue (3): queue a signal and data to a process
sigrelse (3): System V signal API
sigreturn (2): return from signal handler and cleanup stack frame
sigset (3): System V signal API
sigsetjmp (3): performing a nonlocal goto
sigsetmask (3): BSD signal API
sigsetops (3): POSIX signal set operations
sigstack (3): set and/or get signal stack context
sigsuspend (2): wait for a signal
sigtimedwait (2): synchronously wait for queued signals
sigvec (3): BSD signal API
sigwait (3): wait for a signal
sigwaitinfo (2): synchronously wait for queued signals
tc-simple (8): basic example action
sin (3): sine function
sincos (3): calculate sin and cos simultaneously
sincosf (3): calculate sin and cos simultaneously
sincosl (3): calculate sin and cos simultaneously
sinf (3): sine function
sinh (3): hyperbolic sine function
sinhf (3): hyperbolic sine function
sinhl (3): hyperbolic sine function
sinl (3): sine function
size (1): list section sizes and total size of binary files
tc-skbedit (8): SKB editing action
tc-skbmod (8): user-friendly packet editor action
tc-skbprio (8): SKB Priority Queue
skill (1): send a signal or report process status
slabinfo (5): kernel slab allocator statistics
slabtop (1): display kernel slab cache information in real time
slattach (8): attach a network interface to a serial line
sleep (1): delay for a specified amount of time
sleep (3): sleep for a specified number of seconds
sleep.conf.d (5): Suspend and hibernation configuration file
SLIST_EMPTY (3): implementations of singly-linked lists, singly-linked ...
SLIST_ENTRY (3): implementations of singly-linked lists, singly-linked ...
SLIST_FIRST (3): implementations of singly-linked lists, singly-linked ...
SLIST_FOREACH (3): implementations of singly-linked lists, singly-linked ...
SLIST_HEAD (3): implementations of singly-linked lists, singly-linked ...
SLIST_HEAD_INITIALIZER (3): implementations of singly-linked lists, singly-l...
SLIST_INIT (3): implementations of singly-linked lists, singly-linked ...
SLIST_INSERT_AFTER (3): implementations of singly-linked lists, singly-linke...
SLIST_INSERT_HEAD (3): implementations of singly-linked lists, singly-linked...
SLIST_NEXT (3): implementations of singly-linked lists, singly-linked ...
SLIST_REMOVE (3): implementations of singly-linked lists, singly-linked ...
SLIST_REMOVE_HEAD (3): implementations of singly-linked lists, singly-linked...
sln (8): create symbolic links
slogin (1): OpenSSH remote login client
SM2 (7ssl): Chinese SM2 signature and encryption algorithm support
smartctl (8): Control and Monitor Utility for SMART Disks
smartd (8): SMART Disk Monitoring Daemon
smartd.conf (5): SMART Disk Monitoring Daemon Configuration File
smartpqi (4): Microsemi Smart Family SCSI driver
smime (1ssl): S/MIME utility
smime_keys (1): Utility to add S/MIME certificate to the internal data...
smtp (8postfix): Postfix SMTP+LMTP client
smtp-sink (1): parallelized SMTP/LMTP test server
smtp-source (1): parallelized SMTP/LMTP test generator
smtpd (8postfix): Postfix SMTP server
snap (8): Tool to interact with snaps
snap-confine (8): internal tool for confining snappy applications
snap-discard-ns (8): internal tool for discarding preserved namespaces of s...
snapd-env-generator (8): internal tool to set /snap/bin to PATH
snice (1): send a signal or report process status
snprintf (3): formatted output conversion
sock_diag (7): obtaining information about sockets
sockatmark (3): determine whether socket is at out-of-band mark
socket (2): create an endpoint for communication
socket (7): Linux socket interface
socketmap_table (5): Postfix socketmap table lookup client
socketpair (2): create a pair of connected sockets
soelim (1): interpret .so requests in groff input
sort (1): sort lines of text files
sos (1): A unified tool for collecting system logs and other de...
sos.conf (5): sosreport configuration
sotruss (1): trace shared library calls through PLT
sources.list (5): List of configured APT data sources
spawn (8postfix): Postfix external command spawner
spawn-fcgi (1): Spawns FastCGI processes
speed (1ssl): test library performance
spkac (1ssl): SPKAC printing and generating utility
splice (2): splice data to/from a pipe
split (1): split a file into pieces
split-logfile (8): Split combined virtual hosts access log into one file ...
splitfont (1): extract characters from an ISO-type font.
sprintf (3): formatted output conversion
sprof (1): read and display shared object profiling data
spufs (7): SPU filesystem
sqldiff (1): sqlite3 database difference utility
sqlite (1): A command line interface for SQLite
sqlite3 (1): A command line interface for SQLite version 3
sqrt (3): square root function
sqrtf (3): square root function
sqrtl (3): square root function
srand48 (3): generate uniformly distributed pseudo-random numbers
srand48_r (3): generate uniformly distributed pseudo-random numbers r...
srp (1ssl): maintain SRP password file
ss (8): another utility to investigate sockets
sscanf (3): input format conversion
ssetmask (2): manipulation of signal mask (obsolete)
ssh (1): OpenSSH remote login client
ssh-add (1): adds private key identities to the OpenSSH authenticat...
ssh-agent (1): OpenSSH authentication agent
ssh-argv0 (1): replaces the old ssh command-name as hostname handling
ssh-copy-id (1): use locally available keys to authorise logins on a re...
ssh-import-id (1): retrieve one or more public keys from a public keyserv...
ssh-import-id-gh (1): retrieve one or more public keys from a public keyserv...
ssh-import-id-lp (1): retrieve one or more public keys from a public keyserv...
ssh-keygen (1): OpenSSH authentication key utility
ssh-keyscan (1): gather SSH public keys from servers
ssh-keysign (8): OpenSSH helper for host-based authentication
ssh-sk-helper (8): OpenSSH helper for FIDO authenticator support
ssh_config (5): OpenSSH client configuration file
sshd_config (5): OpenSSH daemon configuration file
ssignal (3): software signal facility
ssl (7ssl): OpenSSL SSL/TLS library
st (4): SCSI tape device
STAILQ_CONCAT (3): implementations of singly-linked lists, singly-linked ...
STAILQ_EMPTY (3): implementations of singly-linked lists, singly-linked ...
STAILQ_ENTRY (3): implementations of singly-linked lists, singly-linked ...
STAILQ_FIRST (3): implementations of singly-linked lists, singly-linked ...
STAILQ_FOREACH (3): implementations of singly-linked lists, singly-linked ...
STAILQ_HEAD (3): implementations of singly-linked lists, singly-linked ...
STAILQ_HEAD_INITIALIZER (3): implementations of singly-linked lists, singly-...
STAILQ_INIT (3): implementations of singly-linked lists, singly-linked ...
STAILQ_INSERT_AFTER (3): implementations of singly-linked lists, singly-link...
STAILQ_INSERT_HEAD (3): implementations of singly-linked lists, singly-linke...
STAILQ_INSERT_TAIL (3): implementations of singly-linked lists, singly-linke...
STAILQ_NEXT (3): implementations of singly-linked lists, singly-linked ...
STAILQ_REMOVE (3): implementations of singly-linked lists, singly-linked ...
STAILQ_REMOVE_HEAD (3): implementations of singly-linked lists, singly-linke...
standards (7): C and UNIX Standards
stat (1): display file or file system status
stat (2): get file status
stat64 (2): get file status
statfs (2): get filesystem statistics
statfs64 (2): get filesystem statistics
statvfs (2): get filesystem statistics
statvfs (3): get filesystem statistics
statx (2): get file status (extended)
stdarg (3): variable argument lists
stdbuf (1): Run COMMAND, with modified buffering operations for it...
stderr (3): standard I/O streams
stdin (3): standard I/O streams
stdio (3): standard input/output library functions
stdio_ext (3): interfaces to stdio FILE structure
stdout (3): standard I/O streams
stime (2): set time
storeutl (1ssl): STORE utility
stpcpy (3): copy a string returning a pointer to its end
stpncpy (3): copy a fixed-size string, returning a pointer to its end
strace (1): trace system calls and signals
strcasecmp (3): compare two strings ignoring case
strcasestr (3): locate a substring
strcat (3): concatenate two strings
strchr (3): locate character in string
strchrnul (3): locate character in string
strcmp (3): compare two strings
strcoll (3): compare two strings using the current locale
strcpy (3): copy a string
strcspn (3): get length of a prefix substring
strdup (3): duplicate a string
strdupa (3): duplicate a string
strerror (3): return string describing error number
strerror_l (3): return string describing error number
strerror_r (3): return string describing error number
strfmon (3): convert monetary value to a string
strfmon_l (3): convert monetary value to a string
strfromd (3): convert a floating-point value into a string
strfromf (3): convert a floating-point value into a string
strfroml (3): convert a floating-point value into a string
strfry (3): randomize a string
strftime (3): format date and time
string (3): string operations
strings (1): print the sequences of printable characters in files
strip (1): discard symbols and other data from object files
strlen (3): calculate the length of a string
strncasecmp (3): compare two strings ignoring case
strncat (3): concatenate two strings
strncmp (3): compare two strings
strncpy (3): copy a string
strndup (3): duplicate a string
strndupa (3): duplicate a string
strnlen (3): determine the length of a fixed-size string
strpbrk (3): search a string for any of a set of bytes
strptime (3): convert a string representation of time to a time tm s...
strrchr (3): locate character in string
strsep (3): extract token from string
strsignal (3): return string describing signal
strspn (3): get length of a prefix substring
strstr (3): locate a substring
strtod (3): convert ASCII string to floating-point number
strtof (3): convert ASCII string to floating-point number
strtoimax (3): convert string to integer
strtok (3): extract tokens from strings
strtok_r (3): extract tokens from strings
strtol (3): convert a string to a long integer
strtold (3): convert ASCII string to floating-point number
strtoll (3): convert a string to a long integer
strtoq (3): convert a string to a long integer
strtoul (3): convert a string to an unsigned long integer
strtoull (3): convert a string to an unsigned long integer
strtoumax (3): convert string to integer
strtouq (3): convert a string to an unsigned long integer
strverscmp (3): compare two version strings
strxfrm (3): string transformation
stty (1): change and print terminal line settings
stty (2): unimplemented system calls
su (1): run a command with substitute user and group ID
subgid (5): the subordinate gid file
subpage_prot (2): define a subpage protection for an address range
subuid (5): the subordinate uid file
sudo.conf (5): configuration for sudo front end
sudo_plugin (8): Sudo Plugin API
sudo_root (8): How to run administrative commands
sudoedit (8): execute a command as another user
sudoers (5): default sudo security policy plugin
sudoers_timestamp (5): Sudoers Time Stamp Format
sudoreplay (8): replay sudo session logs
suffixes (7): list of file suffixes
sulogin (8): single-user login
sum (1): checksum and count the blocks in a file
svc_destroy (3): library routines for remote procedure calls
svc_freeargs (3): library routines for remote procedure calls
svc_getargs (3): library routines for remote procedure calls
svc_getcaller (3): library routines for remote procedure calls
svc_getreq (3): library routines for remote procedure calls
svc_getreqset (3): library routines for remote procedure calls
svc_register (3): library routines for remote procedure calls
svc_run (3): library routines for remote procedure calls
svc_sendreply (3): library routines for remote procedure calls
svc_unregister (3): library routines for remote procedure calls
svcerr_auth (3): library routines for remote procedure calls
svcerr_decode (3): library routines for remote procedure calls
svcerr_noproc (3): library routines for remote procedure calls
svcerr_noprog (3): library routines for remote procedure calls
svcerr_progvers (3): library routines for remote procedure calls
svcerr_systemerr (3): library routines for remote procedure calls
svcerr_weakauth (3): library routines for remote procedure calls
svcfd_create (3): library routines for remote procedure calls
svcraw_create (3): library routines for remote procedure calls
svctcp_create (3): library routines for remote procedure calls
svcudp_bufcreate (3): library routines for remote procedure calls
svcudp_create (3): library routines for remote procedure calls
svipc (7): System V interprocess communication mechanisms
swapcontext (3): manipulate user context
swaplabel (8): print or change the label or UUID of a swap area
swapoff (2): start/stop swapping to file/device
swapoff (8): enable/disable devices and files for paging and swapping
swapon (2): start/stop swapping to file/device
swapon (8): enable/disable devices and files for paging and swapping
switch_root (8): switch to another filesystem as the root of the mount ...
swprintf (3): formatted wide-character output conversion
symcryptrun (1): Call a simple symmetric encryption tool
symlink (2): make a new name for a file
symlink (7): symbolic link handling
symlinkat (2): make a new name for a file
sync (1): Synchronize cached writes to persistent storage
sync (2): commit filesystem caches to disk
sync_file_range (2): sync a file segment with disk
sync_file_range2 (2): sync a file segment with disk
syncfs (2): commit filesystem caches to disk
sys_errlist (3): print a system error message
sys_nerr (3): print a system error message
syscall (2): indirect system call
syscalls (2): Linux system calls
sysconf (3): get configuration information at run time
sysctl (2): read/write system parameters
sysctl (8): configure kernel parameters at runtime
sysctl.conf (5): sysctl preload/configuration file
sysctl.d (5): Configure kernel parameters at boot
sysfs (2): get filesystem type information
sysfs (5): a filesystem for exporting kernel objects
sysinfo (2): return system information
syslog (3): read and/or clear kernel message ring buffer; set cons...
system.conf.d (5): System and session service manager configuration files
systemctl (1): Control the systemd system and service manager
systemd (1): systemd system and service manager
systemd-ask-password-console.service (8): Query the user for system password...
systemd-ask-password-wall.service (8): Query the user for system passwords o...
systemd-backlight (8): Load and save the display backlight brightness at boo...
systemd-backlight@.service (8): Load and save the display backlight brightne...
systemd-binfmt (8): Configure additional binary formats for executables at...
systemd-binfmt.service (8): Configure additional binary formats for executab...
systemd-bless-boot-generator (8): Pull systemd-bless-boot.service into the i...
systemd-bless-boot.service (8): Mark current boot process as successful
systemd-boot (7): A simple UEFI boot manager
systemd-boot-check-no-failures (8): verify that the system booted up cleanly
systemd-boot-check-no-failures.service (8): verify that the system booted up...
systemd-boot-system-token.service (8): Generate an initial boot loader syste...
systemd-cat (1): Connect a pipeline or program's output with the journal
systemd-cgls (1): Recursively show control group contents
systemd-cgtop (1): Show top control groups by their resource usage
systemd-cryptsetup (8): Full disk decryption logic
systemd-cryptsetup-generator (8): Unit generator for /etc/crypttab
systemd-cryptsetup@.service (8): Full disk decryption logic
systemd-debug-generator (8): Generator for enabling a runtime debug shell an...
systemd-delta (1): Find overridden configuration files
systemd-detect-virt (1): Detect execution in a virtualized environment
systemd-environment-d-generator (8): Load variables specified by environment.d
systemd-escape (1): Escape strings for usage in systemd unit names
systemd-fsck (8): File system checker logic
systemd-fsck-root.service (8): File system checker logic
systemd-fsck@.service (8): File system checker logic
systemd-fsckd (8): File system check progress reporting
systemd-fsckd.service (8): File system check progress reporting
systemd-fsckd.socket (8): File system check progress reporting
systemd-fstab-generator (8): Unit generator for /etc/fstab
systemd-getty-generator (8): Generator for enabling getty instances on the c...
systemd-gpt-auto-generator (8): Generator for automatically discovering and ...
systemd-growfs (8): Creating and growing file systems on demand
systemd-growfs@.service (8): Creating and growing file systems on demand
systemd-halt.service (8): System shutdown logic
systemd-hibernate-resume (8): Resume from hibernation
systemd-hibernate-resume-generator (8): Unit generator for resume= kernel pa...
systemd-hibernate-resume@.service (8): Resume from hibernation
systemd-hibernate.service (8): System sleep state logic
systemd-hostnamed (8): Host name bus mechanism
systemd-hostnamed.service (8): Host name bus mechanism
systemd-hybrid-sleep.service (8): System sleep state logic
systemd-id128 (1): Generate and print sd-128 identifiers
systemd-importd (8): VM and container image import and export service
systemd-importd.service (8): VM and container image import and export service
systemd-inhibit (1): Execute a program with an inhibition lock taken
systemd-initctl (8): /dev/initctl compatibility
systemd-initctl.service (8): /dev/initctl compatibility
systemd-initctl.socket (8): /dev/initctl compatibility
systemd-journald (8): Journal service
systemd-journald-audit.socket (8): Journal service
systemd-journald-dev-log.socket (8): Journal service
systemd-journald-varlink@.socket (8): Journal service
systemd-journald.service (8): Journal service
systemd-journald.socket (8): Journal service
systemd-journald@.service (8): Journal service
systemd-journald@.socket (8): Journal service
systemd-kexec.service (8): System shutdown logic
systemd-localed (8): Locale bus mechanism
systemd-localed.service (8): Locale bus mechanism
systemd-logind (8): Login manager
systemd-logind.service (8): Login manager
systemd-machine-id-commit.service (8): Commit a transient machine ID to disk
systemd-machine-id-setup (1): Initialize the machine ID in /etc/machine-id
systemd-makefs (8): Creating and growing file systems on demand
systemd-makefs@.service (8): Creating and growing file systems on demand
systemd-mkswap@.service (8): Creating and growing file systems on demand
systemd-modules-load.service (8): Load kernel modules at boot
systemd-mount (1): Establish and destroy transient mount or auto-mount po...
systemd-network-generator (8): Generate network configuration from the kerne...
systemd-network-generator.service (8): Generate network configuration from t...
systemd-networkd-wait-online (8): Wait for network to come online
systemd-networkd-wait-online.service (8): Wait for network to come online
systemd-networkd.service (8): Network manager
systemd-notify (1): Notify service manager about start-up completion and o...
systemd-path (1): List and query system and user paths
systemd-poweroff.service (8): System shutdown logic
systemd-pstore (8): A service to archive contents of pstore
systemd-pstore.service (8): A service to archive contents of pstore
systemd-quotacheck (8): File system quota checker logic
systemd-quotacheck.service (8): File system quota checker logic
systemd-random-seed.service (8): Load and save the system random seed at boo...
systemd-rc-local-generator (8): Compatibility generator for starting /etc/rc...
systemd-reboot.service (8): System shutdown logic
systemd-remount-fs (8): Remount root and kernel file systems
systemd-remount-fs.service (8): Remount root and kernel file systems
systemd-resolve (1): Resolve domain names, IPV4 and IPv6 addresses, DNS res...
systemd-resolved (8): Network Name Resolution manager
systemd-resolved.service (8): Network Name Resolution manager
systemd-rfkill (8): Load and save the RF kill switch state at boot and change
systemd-rfkill.service (8): Load and save the RF kill switch state at boot a...
systemd-rfkill.socket (8): Load and save the RF kill switch state at boot an...
systemd-run (1): Run programs in transient scope units, service units, ...
systemd-run-generator (8): Generator for invoking commands specified on the ...
systemd-shutdown (8): System shutdown logic
systemd-sleep (8): System sleep state logic
systemd-sleep.conf (5): Suspend and hibernation configuration file
systemd-socket-activate (1): Test socket activation of daemons
systemd-socket-proxyd (8): Bidirectionally proxy local sockets to another (p...
systemd-suspend-then-hibernate.service (8): System sleep state logic
systemd-suspend.service (8): System sleep state logic
systemd-sysctl (8): Configure kernel parameters at boot
systemd-sysctl.service (8): Configure kernel parameters at boot
systemd-system-update-generator (8): Generator for redirecting boot to offli...
systemd-system.conf (5): System and session service manager configuration files
systemd-sysusers.service (8): Allocate system users and groups
systemd-sysv-generator (8): Unit generator for SysV init scripts
systemd-time-wait-sync (8): Wait Until Kernel Time Synchronized
systemd-time-wait-sync.service (8): Wait Until Kernel Time Synchronized
systemd-timedated (8): Time and date bus mechanism
systemd-timedated.service (8): Time and date bus mechanism
systemd-timesyncd (8): Network Time Synchronization
systemd-timesyncd.service (8): Network Time Synchronization
systemd-tmpfiles (8): Creates, deletes and cleans up volatile and temporary ...
systemd-tmpfiles-clean.service (8): Creates, deletes and cleans up volatile ...
systemd-tmpfiles-clean.timer (8): Creates, deletes and cleans up volatile an...
systemd-tmpfiles-setup-dev.service (8): Creates, deletes and cleans up volat...
systemd-tmpfiles-setup.service (8): Creates, deletes and cleans up volatile ...
systemd-tty-ask-password-agent (1): List or process pending systemd password...
systemd-udev-settle.service (8): Wait for all pending udev events to be handled
systemd-udevd (8): Device event managing daemon
systemd-udevd-control.socket (8): Device event managing daemon
systemd-udevd-kernel.socket (8): Device event managing daemon
systemd-udevd.service (8): Device event managing daemon
systemd-umount (1): Establish and destroy transient mount or auto-mount po...
systemd-update-utmp (8): Write audit and utmp updates at bootup, runlevel ch...
systemd-update-utmp-runlevel.service (8): Write audit and utmp updates at bo...
systemd-update-utmp.service (8): Write audit and utmp updates at bootup, run...
systemd-user-sessions (8): Permit user logins after boot, prohibit user logi...
systemd-user-sessions.service (8): Permit user logins after boot, prohibit u...
systemd-user.conf (5): System and session service manager configuration files
systemd-veritysetup (8): Disk integrity protection logic
systemd-veritysetup-generator (8): Unit generator for integrity protected bl...
systemd-veritysetup@.service (8): Disk integrity protection logic
systemd-volatile-root (8): Make the root file system volatile
systemd-volatile-root.service (8): Make the root file system volatile
systemd.automount (5): Automount unit configuration
systemd.device (5): Device unit configuration
systemd.directives (7): Index of configuration directives
systemd.dnssd (5): DNS-SD configuration
systemd.environment-generator (7): systemd environment file generators
systemd.exec (5): Execution environment configuration
systemd.generator (7): systemd unit generators
systemd.index (7): List all manpages from the systemd project
systemd.journal-fields (7): Special journal fields
systemd.kill (5): Process killing procedure configuration
systemd.link (5): Network device configuration
systemd.mount (5): Mount unit configuration
systemd.negative (5): DNSSEC trust anchor configuration files
systemd.net-naming-scheme (7): Network device naming schemes
systemd.netdev (5): Virtual Network Device configuration
systemd.network (5): Network configuration
systemd.offline-updates (7): Implementation of offline updates in systemd
systemd.path (5): Path unit configuration
systemd.positive (5): DNSSEC trust anchor configuration files
systemd.preset (5): Service enablement presets
systemd.resource-control (5): Resource control unit settings
systemd.scope (5): Scope unit configuration
systemd.service (5): Service unit configuration
systemd.slice (5): Slice unit configuration
systemd.socket (5): Socket unit configuration
systemd.special (7): Special systemd units
systemd.swap (5): Swap unit configuration
systemd.syntax (7): General syntax of systemd configuration files
systemd.target (5): Target unit configuration
systemd.time (7): Time and date specifications
systemd.timer (5): Timer unit configuration
systemd.unit (5): Unit configuration
sysusers.d (5): Declarative allocation of system users and groups
sysv_signal (3): signal handling with System V semantics
sysvipc (7): System V interprocess communication mechanisms
tabs (1): set tabs on a terminal
tac (1): concatenate and print files in reverse
tail (1): output the last part of files
TAILQ_CONCAT (3): implementations of singly-linked lists, singly-linked ...
TAILQ_EMPTY (3): implementations of singly-linked lists, singly-linked ...
TAILQ_ENTRY (3): implementations of singly-linked lists, singly-linked ...
TAILQ_FIRST (3): implementations of singly-linked lists, singly-linked ...
TAILQ_FOREACH (3): implementations of singly-linked lists, singly-linked ...
TAILQ_FOREACH_REVERSE (3): implementations of singly-linked lists, singly-li...
TAILQ_HEAD (3): implementations of singly-linked lists, singly-linked ...
TAILQ_HEAD_INITIALIZER (3): implementations of singly-linked lists, singly-l...
TAILQ_INIT (3): implementations of singly-linked lists, singly-linked ...
TAILQ_INSERT_AFTER (3): implementations of singly-linked lists, singly-linke...
TAILQ_INSERT_BEFORE (3): implementations of singly-linked lists, singly-link...
TAILQ_INSERT_HEAD (3): implementations of singly-linked lists, singly-linked...
TAILQ_INSERT_TAIL (3): implementations of singly-linked lists, singly-linked...
TAILQ_LAST (3): implementations of singly-linked lists, singly-linked ...
TAILQ_NEXT (3): implementations of singly-linked lists, singly-linked ...
TAILQ_PREV (3): implementations of singly-linked lists, singly-linked ...
TAILQ_REMOVE (3): implementations of singly-linked lists, singly-linked ...
TAILQ_SWAP (3): implementations of singly-linked lists, singly-linked ...
tan (3): tangent function
tanf (3): tangent function
tanh (3): hyperbolic tangent function
tanhf (3): hyperbolic tangent function
tanhl (3): hyperbolic tangent function
tanl (3): tangent function
tc-taprio (8): Time Aware Priority Shaper
tar (1): an archiving utility
tarcat (1): concatenates the pieces of a GNU tar multi-volume archive
taskset (1): set or retrieve a process's CPU affinity
tc-tbf (8): Token Bucket Filter
tc (8): show / manipulate traffic control settings
tc-cbq (8): Class Based Queueing
tc-fq_codel (8): Fair Queuing (FQ) with Controlled Delay (CoDel)
tc-hfsc (7): Hierarchical Fair Service Curve
tc-pfifo (8): Packet limited First In, First Out queue
tc-route (8): route traffic control filter
tc-stab (8): Generic size table manipulations
tc-tcindex (8): traffic control index filter
tc-tunnel_key (8): Tunnel metadata manipulation
tc-u32 (8): universal 32bit traffic control filter
tc-vlan (8): vlan manipulation module
tc-xt (8): tc iptables action
tcdrain (3): get and set terminal attributes, line control, get and...
tcflow (3): get and set terminal attributes, line control, get and...
tcflush (3): get and set terminal attributes, line control, get and...
tcgetattr (3): get and set terminal attributes, line control, get and...
tcgetpgrp (3): get and set terminal foreground process group
tcgetsid (3): get session ID
tcp_table (5): Postfix client/server table lookup protocol
tcpd (8): access control facility for internet services
tcpdchk (8): tcp wrapper configuration checker
tcpdump (8): dump traffic on a network
tcsendbreak (3): get and set terminal attributes, line control, get and...
tcsetattr (3): get and set terminal attributes, line control, get and...
tcsetpgrp (3): get and set terminal foreground process group
tdelete (3): manage a binary search tree
tdestroy (3): manage a binary search tree
tee (1): read from standard input and write to standard output ...
tee (2): duplicating pipe content
telinit (8): Change SysV runlevel
telldir (3): return current location in directory stream
telnet (1): user interface to the TELNET protocol
telnet.netkit (1): user interface to the TELNET protocol
tempfile (1): create a temporary file in a safe manner
tempnam (3): create a name for a temporary file
term (5): format of compiled term file.
term (7): conventions for naming terminal types
termcap (5): terminal capability database
terminal-colors.d (5): Configure output colorization for various utilities
terminfo (5): terminal capability data base
termio (7): System V terminal driver interface
termios (3): get and set terminal attributes, line control, get and...
test (1): check file types and compare values
Text::CharWidth (3pm): Get number of occupied columns of a string on terminal
Text::Iconv (3pm): Perl interface to iconv() codeset conversion function
Text::WrapI18N (3pm): Line wrapping module with support for multibyte, fullw...
textdomain (3): set domain for future gettext() calls
tfind (3): manage a binary search tree
tgamma (3): true gamma function
tgammaf (3): true gamma function
tgammal (3): true gamma function
tgkill (2): send a signal to a thread
thermal-conf.xml (5): Configuration file for thermal daemon
thermald (8): start Linux thermal daemon
thin_check (8): validates thin provisioning metadata on a device or file
thin_delta (8): Print the differences in the mappings between two thin...
thin_dump (8): dump thin provisioning metadata from device or file to...
thin_ls (8): List thin volumes within a pool.
thin_metadata_size (8): thin provisioning metadata device/file size calculator.
thin_repair (8): repair thin provisioning binary metadata.
thin_restore (8): restore thin provisioning metadata file to device or f...
thin_rmap (8): output reverse map of a thin provisioned region of blo...
thin_trim (8): Issue discard requests for free pool space (offline to...
thread-keyring (7): per-thread keyring
tic (1): the terminfo entry-description compiler
time (1): run programs and summarize system resource usage
time (2): get time in seconds
time (3am): time functions for gawk
time (7): overview of time and timers
time.conf (5): configuration file for the pam_time module
Time::Zone (3pm): - miscellaneous timezone manipulations routines
timedatectl (1): Control the system time and date
timegm (3): inverses of gmtime and localtime
timelocal (3): inverses of gmtime and localtime
timeout (1): run a command with a time limit
timer_create (2): create a POSIX per-process timer
timer_delete (2): delete a POSIX per-process timer
timer_getoverrun (2): get overrun count for a POSIX per-process timer
timer_gettime (2): arm/disarm and fetch state of POSIX per-process timer
timer_settime (2): arm/disarm and fetch state of POSIX per-process timer
timeradd (3): timeval operations
timerclear (3): timeval operations
timercmp (3): timeval operations
timerfd_create (2): timers that notify via file descriptors
timerfd_gettime (2): timers that notify via file descriptors
timerfd_settime (2): timers that notify via file descriptors
timerisset (3): timeval operations
timersub (3): timeval operations
times (2): get process times
timesyncd.conf (5): Network Time Synchronization configuration files
timesyncd.conf.d (5): Network Time Synchronization configuration files
timezone (3): initialize time conversion information
tipc (8): a TIPC configuration and management tool
tipc-bearer (8): show or modify TIPC bearers
tipc-link (8): show links or modify link properties
tipc-media (8): list or modify media properties
tipc-nametable (8): show TIPC nametable
tipc-node (8): modify and show local node parameters or list peer nodes
tipc-peer (8): modify peer information
tipc-socket (8): show TIPC socket (port) information
tis-620 (7): ISO 8859-11 character set encoded in octal, decimal, a...
tkill (2): send a signal to a thread
tload (1): graphic representation of system load average
tlsmgr (8postfix): Postfix TLS session cache and PRNG manager
tlsproxy (8postfix): Postfix TLS proxy
tmpfile (3): create a temporary file
tmpfiles.d (5): Configuration for creation, deletion and cleaning of v...
tmpnam (3): create a name for a temporary file
tmpnam_r (3): create a name for a temporary file
tmux (1): terminal multiplexer
toascii (3): convert character to ASCII
toe (1): table of (terminfo) entries
top (1): display Linux processes
touch (1): change file timestamps
towctrans (3): wide-character transliteration
towlower (3): convert a wide character to lowercase
towlower_l (3): convert a wide character to lowercase
towupper (3): convert a wide character to uppercase
towupper_l (3): convert a wide character to uppercase
tput (1): initialize a terminal or query terminfo database
trace (8postfix): Postfix delivery status reports
tracepath (8): traces path to a network host discovering MTU along th...
traceroute6.iputils (8): traces path to a network host
transport (5): Postfix transport table format
trial3 (1): run unit tests
trivial-rewrite (8postfix): Postfix address rewriting and resolving daemon
troff (1): the troff processor of the groff text formatting system
true (1): do nothing, successfully
trunc (3): round to integer, toward zero
truncate (1): shrink or extend the size of a file to the specified size
truncate (2): truncate a file to a specified length
truncate64 (2): truncate a file to a specified length
truncf (3): round to integer, toward zero
truncl (3): round to integer, toward zero
Try::Tiny (3pm): Minimal try/catch with proper preservation of $@
ts (1ssl): Time Stamping Authority tool (client/server)
tsearch (3): manage a binary search tree
tset (1): terminal initialization
tsget (1ssl): Time Stamping HTTP/HTTPS client
tsig-keygen (8): TSIG key generation tool
tsort (1): perform topological sort
tty (1): print the file name of the terminal connected to stand...
tty (4): controlling terminal
tty_ioctl (4): ioctls for terminals and serial lines
ttyname (3): return name of a terminal
ttyname_r (3): return name of a terminal
ttyS (4): serial terminal lines
ttyslot (3): find the slot of the current user's terminal in some file
ttytype (5): terminal device to default terminal type mapping
tune2fs (8): adjust tunable filesystem parameters on ext2/ext3/ext4...
tuxcall (2): unimplemented system calls
twalk (3): manage a binary search tree
twalk_r (3): manage a binary search tree
twistd3 (1): run Twisted applications (TACs, TAPs)
Types::Serialiser (3pm): simple data types for common serialisation formats
Types::Serialiser::Error (3pm): dummy module for Types::Serialiser
tzfile (5): timezone information
tzname (3): initialize time conversion information
tzselect (1): view timezones
tzselect (8): select a timezone
tzset (3): initialize time conversion information
ua (1): Manage Ubuntu Advantage services from Canonical
ualarm (3): schedule signal after given number of microseconds
ubuntu-advantage (1): Manage Ubuntu Advantage services from Canonical
ubuntu-bug (1): file a bug report using Apport, or update an existing ...
ubuntu-distro-info (1): provides information about Ubuntu's distributions
ucf (1): Update Configuration File: preserve user changes in co...
ucf.conf (5): site-wide configuration file for ucf
ucfr (1): Update Configuration File Registry: associate packages...
udev (7): Dynamic device management
udev.conf (5): Configuration for device event managing daemon
udisks (8): Disk Manager
udisks2.conf (5): The udisks2 configuration file
udisksctl (1): The udisks command line tool
udisksd (8): The udisks system daemon
udp (7): User Datagram Protocol for IPv4
udplite (7): Lightweight User Datagram Protocol
ufw (8): program for managing a netfilter firewall
ufw-framework (8): using the ufw framework
ugetrlimit (2): get/set resource limits
ul (1): do underlining
ulckpwdf (3): get shadow password file entry
ulimit (3): get and set user limits
ulockmgr_server (1): Lock Manager Server for FUSE filesystems
umask (2): set file mode creation mask
umount (2): unmount filesystem
umount (8): unmount file systems
umount.udisks2 (8): unmount file systems that have been mounted by UDisks2
umount2 (2): unmount filesystem
uname (1): print system information
uname (2): get name and information about current kernel
unattended-upgrade (8): automatic installation of security (and other) upgrades
unattended-upgrades (8): automatic installation of security (and other) upgr...
uncompress (1): compress or expand files
undocumented (3): undocumented library functions
ungetc (3): input of characters and strings
ungetwc (3): push back a wide character onto a FILE stream
unicode (7): universal character set
unicode_start (1): put keyboard and console in unicode mode
unicode_stop (1): revert keyboard and console from unicode mode
unimplemented (2): unimplemented system calls
uniq (1): report or omit repeated lines
units (7): decimal and binary prefixes
unix (7): sockets for local interprocess communication
unix_chkpwd (8): Helper binary that verifies the password of the curren...
unix_update (8): Helper binary that updates the password of a given user
unlink (1): call the unlink function to remove the specified file
unlink (2): delete a name and possibly the file it refers to
unlinkat (2): delete a name and possibly the file it refers to
unlocked_stdio (3): nonlocking stdio functions
unlockpt (3): unlock a pseudoterminal master/slave pair
unlz4 (1): lz4, unlz4, lz4cat - Compress or decompress .lz4 files
unlzma (1): Compress or decompress .xz and .lzma files
unmkinitramfs (8): extract content from an initramfs image
unsetenv (3): change or add an environment variable
unshare (1): run program with some namespaces unshared from parent
unshare (2): disassociate parts of the process execution context
unsquashfs (1): tool to uncompress squashfs filesystems
unxz (1): Compress or decompress .xz and .lzma files
update-alternatives (1): maintain symbolic links determining default commands
update-ca-certificates (8): update /etc/ssl/certs and ca-certificates.crt
update-grub (8): stub for grub-mkconfig
update-grub-gfxpayload (8): update /boot/grub/gfxblacklist.txt
update-grub2 (8): stub for grub-mkconfig
update-ieee-data (8): update data files from IEEE Standards Association such...
update-inetd (1): create, remove, enable or disable entry /etc/inetd.conf
update-info-dir (8): update or create index file from all installed info fi...
update-initramfs (8): generate an initramfs image
update-initramfs.conf (5): configuration file for update-initramfs
update-locale (8): Modify global locale settings
update-mime (8): create or update MIME information
update-mime-database (1): a program to build the Shared MIME-Info database c...
update-motd (5): dynamic MOTD generation
update-pciids (8): download new version of the PCI ID list
update-rc.d (8): install and remove System-V style init script links
update-smart-drivedb (8): update smartmontools drive database
updwtmp (3): append an entry to the wtmp file
updwtmpx (3): append an entry to the wtmp file
upower (1): UPower command line tool
uptime (1): Tell how long the system has been running.
urandom (4): kernel random number source devices
uri (7): uniform resource identifier (URI), including a URL or URN
URI::_punycode (3pm): encodes Unicode string in Punycode
URI::data (3pm): URI that contains immediate data
URI::Escape (3pm): Percent-encode and percent-decode unsafe characters
URI::file (3pm): URI that maps to local file names
URI::Heuristic (3pm): Expand URI using heuristics
URI::ldap (3pm): LDAP Uniform Resource Locators
URI::QueryParam (3pm): Additional query methods for URIs
URI::Split (3pm): Parse and compose URI strings
URI::URL (3pm): Uniform Resource Locators
URI::WithBase (3pm): URIs which remember their base
url (7): uniform resource identifier (URI), including a URL or URN
urn (7): uniform resource identifier (URI), including a URL or URN
usb-devices (1): print USB device details
usbhid-dump (8): dump USB HID device report descriptors and streams
usbmuxd (8): Expose a socket to multiplex connections from and to i...
uselib (2): load shared library
uselocale (3): set/get the locale for the calling thread
user-dirs.conf (5): configuration for xdg-user-dirs-update
user-dirs.defaults (5): default settings for XDG user dirs
user-dirs.dirs (5): settings for XDG user dirs
user-keyring (7): per-user keyring
user-runtime-dir@.service (5): System units to manage user processes
user-session-keyring (7): per-user default session keyring
user.conf.d (5): System and session service manager configuration files
user@.service (5): System units to manage user processes
user_caps (5): user-defined terminfo capabilities
user_namespaces (7): overview of Linux user namespaces
useradd (8): create a new user or update default new user information
userdel (8): delete a user account and related files
userfaultfd (2): create a file descriptor for handling page faults in u...
usermod (8): modify a user account
users (1): print the user names of users currently logged in to t...
usleep (3): suspend execution for microsecond intervals
ustat (2): get filesystem statistics
utf8 (7): an ASCII compatible multibyte Unicode encoding
utime (2): change file last access and modification times
utimes (2): change file last access and modification times
utmp (5): login records
utmpdump (1): dump UTMP and WTMP files in raw format
utmpname (3): access utmp file entries
utmpx (5): login records
utmpxname (3): access utmp file entries
uts_namespaces (7): overview of Linux UTS namespaces
uuidd (8): UUID generation daemon
uuidgen (1): create a new UUID value
uuidparse (1): a utility to parse unique identifiers
va_arg (3): variable argument lists
va_copy (3): variable argument lists
va_end (3): variable argument lists
va_start (3): variable argument lists
validlocale (8): Test if a given locale is available
valloc (3): allocate aligned memory
vasprintf (3): print to allocated string
vcs (4): virtual console memory
vcsa (4): virtual console memory
vcstime (8): Show time in upper right hand corner of the console sc...
vdir (1): list directory contents
vdprintf (3): formatted output conversion
vdso (7): overview of the virtual ELF dynamic shared object
verify (1ssl): Utility to verify certificates
verify (8postfix): Postfix address verification server
veritysetup (8): manage dm-verity (block level verification) volumes
version (1ssl): print OpenSSL version information
versionsort (3): scan a directory for matching entries
veth (4): Virtual Ethernet Device
vfork (2): create a child process and block parent
vfprintf (3): formatted output conversion
vfscanf (3): input format conversion
vfwprintf (3): formatted wide-character output conversion
vgcfgbackup (8): Backup volume group configuration(s)
vgcfgrestore (8): Restore volume group configuration
vgchange (8): Change volume group attributes
vgck (8): Check the consistency of volume group(s)
vgdisplay (8): Display volume group information
vgexport (8): Unregister volume group(s) from the system
vgextend (8): Add physical volumes to a volume group
vgimport (8): Register exported volume group with system
vgimportclone (8): Import a VG from cloned PVs
vgmknodes (8): Create the special files for volume group devices in /dev
vgreduce (8): Remove physical volume(s) from a volume group
vgs (8): Display information about volume groups
vgsplit (8): Move physical volumes into a new or existing volume group
vhangup (2): virtually hangup the current terminal
vi (1): Vi IMproved, a programmer's text editor
view (1): Vi IMproved, a programmer's text editor
vigpg (1): open and edit an encrypted file
vigr (8): edit the password, group, shadow-password or shadow-gr...
vim (1): Vi IMproved, a programmer's text editor
vimdiff (1): edit two, three or four versions of a file with Vim an...
vimtutor (1): the Vim tutor
vipw (8): edit the password, group, shadow-password or shadow-gr...
virtual (5): Postfix virtual alias table format
virtual (8postfix): Postfix virtual domain mail delivery agent
visudo (8): edit the sudoers file
vm86 (2): enter virtual 8086 mode
vm86old (2): enter virtual 8086 mode
vmsplice (2): splice user pages to/from a pipe
vmstat (8): Report virtual memory statistics
vmware-checkvm (1): Check if running in a VM or not
vmware-toolbox-cmd (1): GUI toolbox (commandline version)
vmware-xferlogs (1): dump vm-support output to vmx logfile
vprintf (3): formatted output conversion
vscanf (3): input format conversion
vserver (2): unimplemented system calls
vsnprintf (3): formatted output conversion
vsock (7): Linux VSOCK address family
vsprintf (3): formatted output conversion
vsscanf (3): input format conversion
vswprintf (3): formatted wide-character output conversion
vtimes (3): get resource usage
vwprintf (3): formatted wide-character output conversion
w (1): Show who is logged on and what they are doing.
w.procps (1): Show who is logged on and what they are doing.
wait (2): wait for process to change state
wait3 (2): wait for process to change state, BSD style
wait4 (2): wait for process to change state, BSD style
waitid (2): wait for process to change state
waitpid (2): wait for process to change state
wall (1): write a message to all users
watch (1): execute a program periodically, showing output fullscreen
watchgnupg (1): Read and print logs from a socket
wavelan (4): AT&T GIS WaveLAN ISA device driver
wc (1): print newline, word, and byte counts for each file
wcpcpy (3): copy a wide-character string, returning a pointer to i...
wcpncpy (3): copy a fixed-size string of wide characters, returning...
wcrtomb (3): convert a wide character to a multibyte sequence
wcscasecmp (3): compare two wide-character strings, ignoring case
wcscat (3): concatenate two wide-character strings
wcschr (3): search a wide character in a wide-character string
wcscmp (3): compare two wide-character strings
wcscpy (3): copy a wide-character string
wcscspn (3): search a wide-character string for any of a set of wid...
wcsdup (3): duplicate a wide-character string
wcslen (3): determine the length of a wide-character string
wcsncasecmp (3): compare two fixed-size wide-character strings, ignorin...
wcsncat (3): concatenate two wide-character strings
wcsncmp (3): compare two fixed-size wide-character strings
wcsncpy (3): copy a fixed-size string of wide characters
wcsnlen (3): determine the length of a fixed-size wide-character st...
wcsnrtombs (3): convert a wide-character string to a multibyte string
wcspbrk (3): search a wide-character string for any of a set of wid...
wcsrchr (3): search a wide character in a wide-character string
wcsrtombs (3): convert a wide-character string to a multibyte string
wcsspn (3): advance in a wide-character string, skipping any of a ...
wcsstr (3): locate a substring in a wide-character string
wcstoimax (3): convert wide-character string to integer
wcstok (3): split wide-character string into tokens
wcstombs (3): convert a wide-character string to a multibyte string
wcstoumax (3): convert wide-character string to integer
wcswidth (3): determine columns needed for a fixed-size wide-charact...
wctob (3): try to represent a wide character as a single byte
wctomb (3): convert a wide character to a multibyte sequence
wctrans (3): wide-character translation mapping
wctype (3): wide-character classification
wcwidth (3): determine columns needed for a wide character
whatis (1): display one-line manual page descriptions
whereis (1): locate the binary, source, and manual page files for a...
which (1): locate a command
whiptail (1): display dialog boxes from shell scripts
who (1): show who is logged on
whoami (1): print effective userid
wifi-status (1): monitor the wireless interface
Win32::DBIODBC (3pm): Win32::ODBC emulation layer for the DBI
wipefs (8): wipe a signature from a device
wmemchr (3): search a wide character in a wide-character array
wmemcmp (3): compare two arrays of wide-characters
wmemcpy (3): copy an array of wide-characters
wmemmove (3): copy an array of wide-characters
wmemset (3): fill an array of wide-characters with a constant wide ...
wordexp (3): perform word expansion like a posix-shell
wordfree (3): perform word expansion like a posix-shell
wpa_action (8): wpa_cli action script
wpa_background (8): Background information on Wi-Fi Protected Access and I...
wpa_cli (8): WPA command line client
wpa_passphrase (8): Generate a WPA PSK from an ASCII passphrase for a SSID
wpa_supplicant (8): Wi-Fi Protected Access client and IEEE 802.1X supplicant
wpa_supplicant.conf (5): configuration file for wpa_supplicant
wprintf (3): formatted wide-character output conversion
write (1): send a message to another user
write (2): write to a file descriptor
writev (2): read or write data into multiple buffers
wtmp (5): login records
WWW::RobotRules (3pm): database of robots.txt-derived permissions
WWW::RobotRules::AnyDBM_File (3pm): Persistent RobotRules
x25 (7): ITU-T X.25 / ISO-8208 protocol interface.
x509 (1ssl): Certificate display and signing utility
x509 (7ssl): X.509 certificate handling
x509v3_config (5ssl): X509 V3 certificate extension configuration format
x86_64 (8): change reported architecture in new program environmen...
x86_64-linux-gnu-addr2line (1): convert addresses into file names and line n...
x86_64-linux-gnu-ar (1): create, modify, and extract from archives
x86_64-linux-gnu-as (1): the portable GNU assembler.
x86_64-linux-gnu-c++filt (1): demangle C++ and Java symbols
x86_64-linux-gnu-cpp (1): The C Preprocessor
x86_64-linux-gnu-cpp-9 (1): The C Preprocessor
x86_64-linux-gnu-dwp (1): The DWARF packaging utility
x86_64-linux-gnu-elfedit (1): update ELF header and program property of ELF ...
x86_64-linux-gnu-g++ (1): GNU project C and C++ compiler
x86_64-linux-gnu-g++-9 (1): GNU project C and C++ compiler
x86_64-linux-gnu-gcc (1): GNU project C and C++ compiler
x86_64-linux-gnu-gcc-9 (1): GNU project C and C++ compiler
x86_64-linux-gnu-gcc-ar (1): a wrapper around ar adding the --plugin option
x86_64-linux-gnu-gcc-ar-9 (1): a wrapper around ar adding the --plugin option
x86_64-linux-gnu-gcc-nm (1): a wrapper around nm adding the --plugin option
x86_64-linux-gnu-gcc-nm-9 (1): a wrapper around nm adding the --plugin option
x86_64-linux-gnu-gcc-ranlib (1): a wrapper around ranlib adding the --plugin...
x86_64-linux-gnu-gcc-ranlib-9 (1): a wrapper around ranlib adding the --plug...
x86_64-linux-gnu-gcov (1): coverage testing tool
x86_64-linux-gnu-gcov-9 (1): coverage testing tool
x86_64-linux-gnu-gcov-dump (1): offline gcda and gcno profile dump tool
x86_64-linux-gnu-gcov-dump-9 (1): offline gcda and gcno profile dump tool
x86_64-linux-gnu-gcov-tool (1): offline gcda profile processing tool
x86_64-linux-gnu-gcov-tool-9 (1): offline gcda profile processing tool
x86_64-linux-gnu-gold (1): The GNU ELF linker
x86_64-linux-gnu-gprof (1): display call graph profile data
x86_64-linux-gnu-ld (1): The GNU linker
x86_64-linux-gnu-ld.bfd (1): The GNU linker
x86_64-linux-gnu-ld.gold (1): The GNU ELF linker
x86_64-linux-gnu-nm (1): list symbols from object files
x86_64-linux-gnu-objcopy (1): copy and translate object files
x86_64-linux-gnu-objdump (1): display information from object files
x86_64-linux-gnu-ranlib (1): generate an index to an archive
x86_64-linux-gnu-readelf (1): display information about ELF files
x86_64-linux-gnu-size (1): list section sizes and total size of binary files
x86_64-linux-gnu-strings (1): print the sequences of printable characters in...
x86_64-linux-gnu-strip (1): discard symbols and other data from object files
xargs (1): build and execute command lines from standard input
xattr (7): Extended attributes
xauth (1): X authority file utility
XCompose (5): X client mappings for multi-key input sequences
xcrypt (3): RFS password encryption
xdecrypt (3): RFS password encryption
xdg-user-dir (1): Find an XDG user dir
xdg-user-dirs-update (1): Update XDG user dir configuration
xdr (3): library routines for external data representation
xdr_accepted_reply (3): library routines for remote procedure calls
xdr_array (3): library routines for external data representation
xdr_authunix_parms (3): library routines for remote procedure calls
xdr_bool (3): library routines for external data representation
xdr_bytes (3): library routines for external data representation
xdr_callhdr (3): library routines for remote procedure calls
xdr_callmsg (3): library routines for remote procedure calls
xdr_char (3): library routines for external data representation
xdr_destroy (3): library routines for external data representation
xdr_double (3): library routines for external data representation
xdr_enum (3): library routines for external data representation
xdr_float (3): library routines for external data representation
xdr_free (3): library routines for external data representation
xdr_getpos (3): library routines for external data representation
xdr_inline (3): library routines for external data representation
xdr_int (3): library routines for external data representation
xdr_long (3): library routines for external data representation
xdr_opaque (3): library routines for external data representation
xdr_opaque_auth (3): library routines for remote procedure calls
xdr_pmap (3): library routines for remote procedure calls
xdr_pmaplist (3): library routines for remote procedure calls
xdr_pointer (3): library routines for external data representation
xdr_reference (3): library routines for external data representation
xdr_rejected_reply (3): library routines for remote procedure calls
xdr_replymsg (3): library routines for remote procedure calls
xdr_setpos (3): library routines for external data representation
xdr_short (3): library routines for external data representation
xdr_string (3): library routines for external data representation
xdr_u_char (3): library routines for external data representation
xdr_u_int (3): library routines for external data representation
xdr_u_long (3): library routines for external data representation
xdr_u_short (3): library routines for external data representation
xdr_union (3): library routines for external data representation
xdr_vector (3): library routines for external data representation
xdr_void (3): library routines for external data representation
xdr_wrapstring (3): library routines for external data representation
xdrmem_create (3): library routines for external data representation
xdrrec_create (3): library routines for external data representation
xdrrec_endofrecord (3): library routines for external data representation
xdrrec_eof (3): library routines for external data representation
xdrrec_skiprecord (3): library routines for external data representation
xdrstdio_create (3): library routines for external data representation
xencrypt (3): RFS password encryption
xfs (5): layout, mount options, and supported file attributes f...
xfs_admin (8): change parameters of an XFS filesystem
xfs_bmap (8): print block mapping for an XFS file
xfs_copy (8): copy the contents of an XFS filesystem
xfs_db (8): debug an XFS filesystem
xfs_estimate (8): estimate the space that an XFS filesystem will take
xfs_freeze (8): suspend access to an XFS filesystem
xfs_fsr (8): filesystem reorganizer for XFS
xfs_growfs (8): expand an XFS filesystem
xfs_info (8): display XFS filesystem geometry information
xfs_io (8): debug the I/O path of an XFS filesystem
xfs_logprint (8): print the log of an XFS filesystem
xfs_mdrestore (8): restores an XFS metadump image to a filesystem image
xfs_metadump (8): copy XFS filesystem metadata to a file
xfs_mkfile (8): create an XFS file
xfs_ncheck (8): generate pathnames from i-numbers for XFS
xfs_quota (8): manage use of quota on XFS filesystems
xfs_repair (8): repair an XFS filesystem
xfs_rtcp (8): XFS realtime copy command
xfs_scrub (8): check and repair the contents of a mounted XFS filesystem
xfs_scrub_all (8): scrub all mounted XFS filesystems
xfs_spaceman (8): show free space information about an XFS filesystem
xkeyboard-config (7): XKB data description files
xprt_register (3): library routines for remote procedure calls
xprt_unregister (3): library routines for remote procedure calls
xsubpp (1): compiler to convert Perl XS code into C code
xtables-compat (8): compat tools to migrate from iptables to nftables
xtables-legacy (8): iptables using old getsockopt/setsockopt-based kernel api
xtables-legacy-multi (8): iptables using old getsockopt/setsockopt-based ker...
xtables-monitor (8): show changes to rule set and trace-events
xtables-multi (8): xtables multi-link binary for netfilter's iptables and...
xtables-nft (8): iptables using nftables kernel api
xtables-nft-multi (8): iptables using nftables kernel api
xtables-translate (8): translation tool to migrate from iptables to nftables
xz (1): Compress or decompress .xz and .lzma files
xzcat (1): Compress or decompress .xz and .lzma files
xzcmp (1): compare compressed files
xzdiff (1): compare compressed files
xzegrep (1): search compressed files for a regular expression
xzfgrep (1): search compressed files for a regular expression
xzgrep (1): search compressed files for a regular expression
xzless (1): view xz or lzma compressed (text) files
xzmore (1): view xz or lzma compressed (text) files
y0 (3): Bessel functions of the second kind
y0f (3): Bessel functions of the second kind
y0l (3): Bessel functions of the second kind
y1 (3): Bessel functions of the second kind
y1f (3): Bessel functions of the second kind
y1l (3): Bessel functions of the second kind
yes (1): output a string repeatedly until killed
yn (3): Bessel functions of the second kind
ynf (3): Bessel functions of the second kind
ynl (3): Bessel functions of the second kind
ypdomainname (1): show or set the system's NIS/YP domain name
zcat (1): compress or expand files
zcmp (1): compare compressed files
zdiff (1): compare compressed files
zdump (8): timezone dumper
zegrep (1): search possibly compressed files for a regular expression
zero (4): data sink
zerofree (8): zero free blocks from ext2, ext3 and ext4 file-systems
zfgrep (1): search possibly compressed files for a regular expression
zforce (1): force a '.gz' extension on all gzip files
zgrep (1): search possibly compressed files for a regular expression
zic (8): timezone compiler
zipdetails (1): display the internal structure of zip files
zless (1): file perusal filter for crt viewing of compressed text
zmore (1): file perusal filter for crt viewing of compressed text
znew (1): recompress .Z files to .gz files
zramctl (8): set up and control zram devices
zshbuiltins (1): zsh built-in commands
zshcompctl (1): zsh programmable completion
zshcompsys (1): zsh completion system
zshcompwid (1): zsh completion widgets
zshcontrib (1): user contributions to zsh
zshexpn (1): zsh expansion and substitution
zshmisc (1): everything and then some
zshoptions (1): zsh options
zshroadmap (1): informal introduction to the zsh manual The Zsh Manual...
zshzftpsys (1): zftp function front-end
zshzle (1): zsh command line editor
zsoelim (1): satisfy .so requests in roff input