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adduser.conf (5)
configuration file for adduser(8) and addgroup(8) .
deluser.conf (5)
configuration file for deluser(8) and delgroup(8) .
tc-bpf (8)
BPF programmable classifier and actions for ingress/eg...
Error (3pm)
Error/exception handling in an OO-ish way
HEAD (1p)
Simple command line user agent
mmdf (5)
Multi-channel Memorandum Distribution Facility mailbox...
RAND (7ssl)
the OpenSSL random generator
URI (3pm)
Uniform Resource Identifiers (absolute and relative)
[ (1)
check file types and compare values
a64l (3)
convert between long and base-64
addr2line (1)
convert addresses into file names and line numbers
adjtime_config (5)
information about hardware clock setting and drift factor
aio_cancel (3)
cancel an outstanding asynchronous I/O request
Algorithm::Merge (3pm)
Three-way merge and diff
anvil (8postfix)
Postfix session count and request rate control
apropos (1)
search the manual page names and descriptions
apt (8)
command-line interface
apt-extracttemplates (1)
Utility to extract debconf config and templates fr...
apt-get (8)
APT package handling utility -- command-line interface
apt-mark (8)
show, set and unset various settings for a package
apt-patterns (7)
Syntax and semantics of apt search patterns
apt_auth.conf (5)
Login configuration file for APT sources and proxies
ar (1)
create, modify, and extract from archives
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
armscii-8 (7)
Armenian character set encoded in octal, decimal, and ...
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
assert_perror (3)
test errnum and abort
awk (1)
pattern scanning and processing language
b2sum (1)
compute and check BLAKE2 message digest
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-builtins (7)
bash built-in commands, see bash(1)
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...
blkzone (8)
run zone command on a device
blockdev (8)
call block device ioctls from the command line
bootctl (1)
Control the firmware and boot manager settings
bpf (2)
perform a command on an extended BPF map or program
bridge (8)
show / manipulate bridge addresses and devices
bsd_signal (3)
signal handling with BSD semantics
btrfs-filesystem (8)
command group that primarily does work on the whole fi...
builtins (7)
bash built-in commands, see bash(1)
Bundle::DBI (3pm)
A bundle to install DBI and required modules.
byobu-disable-prompt (1)
add and remove a nice color prompt to your shell c...
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-layout (1)
Save and restore byobu-tmux layouts
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-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
byteorder (3)
convert values between host and network byte order
c++ (1)
GNU project C and C++ compiler
c++filt (1)
demangle C++ and Java symbols
cache_dump (8)
dump cache metadata from device or file to standard ou...
cacheflush (2)
flush contents of instruction and/or data cache
cal (1)
displays a calendar and the date of Easter
calloc (3)
allocate and free dynamic memory
cat (1)
concatenate files and print on the standard output
cc (1)
GNU project C and C++ compiler
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...
CGI (3pm)
Handle Common Gateway Interface requests and responses
CGI::Session::ErrorHandler (3pm)
error handling routines for CGI::Session
charsets (7)
character set standards and internationalization
chfn (1)
change real user name and information
tc-choke (8)
choose and keep scheduler
choom (1)
display and adjust OOM-killer score.
chown (1)
change file owner and group
chroot (8)
run command or interactive shell with special root dir...
ciphers (1ssl)
SSL cipher display and cipher list tool
cksum (1)
checksum and count the bytes in a file
cleanup (8postfix)
canonicalize and enqueue Postfix message
clearerr (3)
check and reset stream status
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_settime (2)
clock and time functions
clock_settime (3)
clock and time functions
cloud-init-per (1)
Run a command with arguments at a specific frequency
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...
common::sense (3pm)
save a tree AND a kitten, use common::sense!
console_codes (4)
Linux console escape and control sequences
console_ioctl (4)
ioctls for console terminal and virtual consoles
corelist (1)
a commandline frontend to Module::CoreList
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
cpio (1)
copy files to and from archives
CPU_AND (3)
macros for manipulating CPU sets
CPU_AND_S (3)
macros for manipulating CPU sets
cpuset (7)
confine processes to processor and memory node subsets
creat (2)
open and possibly create a file
crl2pkcs7 (1ssl)
Create a PKCS#7 structure from a CRL and certificates
cron (8)
daemon to execute scheduled commands (Vixie Cron)
crypt (5)
storage format for hashed passphrases and available ha...
cryptsetup (8)
manage plain dm-crypt and LUKS encrypted volumes
ctail (1)
watch and colorize a logfile
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
daemon (7)
Writing and packaging system daemons
dash (1)
command interpreter (shell)
Data::Dump::Trace (3pm)
Helpers to trace function and method calls
date (1)
print or set the system date and time
Date::Language (3pm)
Language specific date formating and parsing
DBD::File::Roadmap (3pm)
Planned Enhancements for DBD::File and pure Perl D...
DBD::Sponge (3pm)
Create a DBI statement handle from Perl data
DBI::Const::GetInfoReturn (3pm)
Data and functions for describing GetInfo r...
DBI::DBD::Metadata (3pm)
Generate the code and data for some DBI metadata m...
DBI::Gofer::Execute (3pm)
Executes Gofer requests and returns Gofer responses
DBI::Profile (3pm)
Performance profiling and benchmarking for the DBI
DBI::ProfileDumper (3pm)
profile DBI usage and output data to a file
dbiprof (1p)
command-line client for DBI::ProfileData
dcngettext (3)
translate message and choose plural form
dd (1)
convert and copy a file
delv (1)
DNS lookup and validation utility
depmod (8)
Generate modules.dep and map files.
des_modes (7ssl)
the variants of DES and other crypto algorithms of Ope...
devlink-health (8)
devlink health reporting and recovery
dhparam (1ssl)
DH parameter manipulation and generation
dirmngr (8)
CRL and OCSP daemon
div (3)
compute quotient and remainder of an integer division
dlclose (3)
open and close a shared object
dlmopen (3)
open and close a shared object
dlopen (3)
open and close a shared object
dmmp_context_log_func_set (3)
Set log handler function.
dn_expand (3)
resolver routines
dngettext (3)
translate message and choose plural form
dosfsck (8)
check and repair MS-DOS filesystems
dpkg-architecture (1)
set and determine the architecture for package building
dpkg-checkbuilddeps (1)
check build dependencies and conflicts
dpkg-statoverride (1)
override ownership and mode of files
Dpkg::Arch (3perl)
handle architectures
Dpkg::Build::Info (3perl)
handle build information
Dpkg::BuildOptions (3perl)
parse and update build options
Dpkg::BuildProfiles (3perl)
handle build profiles
Dpkg::Checksums (3perl)
generate and manipulate file checksums
Dpkg::Compression::FileHandle (3perl)
object dealing transparently with fil...
Dpkg::Control (3perl)
parse and manipulate official control-like information
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::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::Exit (3perl)
program exit handlers
Dpkg::Path (3perl)
some common path handling functions
Dpkg::Substvars (3perl)
handle variable substitution in strings
Dpkg::Version (3perl)
handling and comparing dpkg-style version numbers
drand48 (3)
generate uniformly distributed pseudo-random numbers
drand48_r (3)
generate uniformly distributed pseudo-random numbers r...
dsaparam (1ssl)
DSA parameter manipulation and generation
eatmydata (1)
transparently disable fsync() and other data-to-disk s...
ecparam (1ssl)
EC parameter manipulation and generation
Ed25519 (7ssl)
EVP_PKEY Ed25519 and Ed448 support
Ed448 (7ssl)
EVP_PKEY Ed25519 and Ed448 support
elf (5)
format of Executable and Linking Format (ELF) files
elfedit (1)
update ELF header and program property of ELF files
endfsent (3)
handle fstab entries
endian (3)
convert values between host and big-/little-endian byt...
endnetgrent (3)
handle network group entries
engine (1ssl)
load and query engines
era_dump (8)
dump era metadata from device or file to standard output.
erand48 (3)
generate uniformly distributed pseudo-random numbers
erand48_r (3)
generate uniformly distributed pseudo-random numbers r...
ethtool (8)
query or control network driver and hardware settings
expand (1)
convert tabs to spaces
expiry (1)
check and enforce password expiration policy
faillock (8)
Tool for displaying and modifying the authentication f...
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...
fanotify_init (2)
create and initialize fanotify group
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 (3)
check and reset stream status
feraiseexcept (3)
floating-point rounding and exception handling
ferror (3)
check and reset stream status
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
fgetc (3)
input of characters and strings
fgets (3)
input of characters and strings
fileno (3)
check and reset stream status
fma (3)
floating-point multiply and add
fmaf (3)
floating-point multiply and add
fmal (3)
floating-point multiply and add
fputc (3)
output of characters and strings
fputs (3)
output of characters and strings
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
freehostent (3)
get network hostnames and addresses
freelocale (3)
create, modify, and free a locale object
FreezeThaw (3pm)
converting Perl structures to strings and back.
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...
fsck (8)
check and repair a Linux filesystem
fsck.fat (8)
check and repair MS-DOS filesystems
fsck.msdos (8)
check and repair MS-DOS filesystems
fsck.vfat (8)
check and repair MS-DOS filesystems
fstab-decode (8)
run a command with fstab-encoded arguments
ftime (3)
return date and time
ftok (3)
convert a pathname and a project identifier to a Syste...
mount.fuse (8)
format and options for the fuse file systems
fwide (3)
set and determine the orientation of a FILE stream
fwupdtool (1)
Standalone firmware update utility
g++ (1)
GNU project C and C++ compiler
g++-9 (1)
GNU project C and C++ compiler
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
gawk (1)
pattern scanning and processing language
gcc (1)
GNU project C and C++ compiler
gcc-9 (1)
GNU project C and C++ compiler
gcov-dump (1)
offline gcda and gcno profile dump tool
gcov-dump-9 (1)
offline gcda and gcno profile dump tool
GET (1p)
Simple command line user agent
get_avphys_pages (3)
get total and available physical page counts
get_kernel_syms (2)
retrieve exported kernel and module symbols
get_phys_pages (3)
get total and available physical page counts
getaddrinfo (3)
network address and service translation
getaddrinfo_a (3)
asynchronous network address and service translation
getc (3)
input of characters and strings
getchar (3)
input of characters and strings
getcpu (2)
determine CPU and NUMA node on which the calling threa...
getentropy (3)
fill a buffer with random bytes
getfsent (3)
handle fstab entries
getfsfile (3)
handle fstab entries
getfsspec (3)
handle fstab entries
getipnodebyaddr (3)
get network hostnames and addresses
getipnodebyname (3)
get network hostnames and addresses
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
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
gets (3)
get a string from standard input (DEPRECATED)
getsockopt (2)
get and set options on sockets
getutmp (3)
copy utmp structure to utmpx, and vice versa
getutmpx (3)
copy utmp structure to utmpx, and vice versa
getw (3)
input and output of words (ints)
getwchar (3)
read a wide character from standard input
gio (1)
GIO commandline tool
git-apply (1)
Apply a patch to files and/or to the index
git-blame (1)
Show what revision and author last modified each line ...
git-bundle (1)
Move objects and refs by archive
git-cat-file (1)
Provide content or type and size information for repos...
git-check-mailmap (1)
Show canonical names and email addresses of contacts
git-commit-graph (1)
Write and verify Git commit-graph files
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-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-tree (1)
Compares the content and mode of blobs found via two t...
git-fetch (1)
Download objects and refs from another repository
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-hash-object (1)
Compute object ID and optionally creates a blob from a...
git-ls-files (1)
Show information about files in the index and the work...
git-mailinfo (1)
Extracts patch and authorship from a single e-mail mes...
git-merge-one-file (1)
The standard helper program to use with git-merge-index
git-multi-pack-index (1)
Write and verify multi-pack-indexes
git-pack-refs (1)
Pack heads and tags for efficient repository access
git-pull (1)
Fetch from and integrate with another repository or a ...
git-remote-ext (1)
Bridge smart transport to external command.
git-rev-parse (1)
Pick out and massage parameters
git-rm (1)
Remove files from the working tree and from the index
git-show-branch (1)
Show branches and their commits
git-sparse-checkout (1)
Initialize and modify the sparse-checkout configura...
git-subtree (1)
Merge subtrees together and split repository into subt...
git-symbolic-ref (1)
Read, modify and delete symbolic refs
gitcli (7)
Git command-line interface and conventions
gitcredentials (7)
providing usernames and passwords to Git
giteveryday (7)
A useful minimum set of commands for Everyday Git
gitrevisions (7)
Specifying revisions and ranges for Git
glibc (7)
overview of standard C libraries on Linux
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_get_libc_release (3)
get glibc version and release
gnu_get_libc_version (3)
get glibc version and release
gpasswd (1)
administer /etc/group and /etc/gshadow
gpg (1)
OpenPGP encryption and signing tool
gpgsm (1)
CMS encryption and signing tool
grog (1)
guess options for a following groff command
grpconv (8)
convert to and from shadow passwords and groups
grpunconv (8)
convert to and from shadow passwords and groups
grub-mkstandalone (1)
make a memdisk-based GRUB image
gunzip (1)
compress or expand files
gzip (1)
compress or expand files
hosts.equiv (5)
list of hosts and users that are granted "trusted" r c...
HTML::Tree (3pm)
build and scan parse-trees of HTML
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...
htonl (3)
convert values between host and network byte order
htons (3)
convert values between host and network byte order
HTTP::Config (3pm)
Configuration for request and response objects
id (1)
print real and effective user and group IDs
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
imaxdiv (3)
compute quotient and remainder of an integer division
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
init (1)
systemd system and service manager
init-d-script (5)
interpreter for short and simple init.d scripts
initstate (3)
random number generator
initstate_r (3)
reentrant random number generator
innetgr (3)
handle network group entries
install (1)
copy files and set attributes
intro (1)
introduction to user commands
intro (5)
introduction to file formats and filesystems
intro (7)
introduction to overview and miscellany section
intro (8)
introduction to administration and privileged commands
IO::Socket::SSL::Utils (3pm)
- loading, storing, creating certificates and ...
io_cancel (2)
cancel an outstanding asynchronous I/O operation
ioctl_console (2)
ioctls for console terminal and virtual consoles
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
ioprio_get (2)
get/set I/O scheduling class and priority
ioprio_set (2)
get/set I/O scheduling class and priority
ip-vrf (8)
run a command against a vrf
ip6tables (8)
administration tool for IPv4/IPv6 packet filtering and...
iptables (8)
administration tool for IPv4/IPv6 packet filtering and...
iptables-extensions (8)
list of extensions in the standard iptables distrib...
iptunnel (8)
Create and manage IP tunnels
iruserok (3)
routines for returning a stream to a remote command
iruserok_af (3)
routines for returning a stream to a remote command
issue (5)
prelogin message and identification file
iw (8)
show / manipulate wireless devices and their configura...
jrand48 (3)
generate uniformly distributed pseudo-random numbers
jrand48_r (3)
generate uniformly distributed pseudo-random numbers r...
JSON::XS (3pm)
JSON serialising/deserialising, done correctly and fast
json_pp (1)
JSON::PP command utility
json_xs (1p)
JSON::XS commandline utility
kbdrate (8)
reset the keyboard repeat rate and delay time
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...
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
syslog (2)
read and/or clear kernel message ring buffer; set cons...
klogctl (3)
read and/or clear kernel message ring buffer; set cons...
kmem (4)
system memory, kernel memory and system ports
koi8-r (7)
Russian character set encoded in octal, decimal, and h...
koi8-u (7)
Ukrainian character set encoded in octal, decimal, and...
l64a (3)
convert between long and base-64
landscape-sysinfo (1)
Display a summary of the current system status
lcong48 (3)
generate uniformly distributed pseudo-random numbers
lcong48_r (3)
generate uniformly distributed pseudo-random numbers r...
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...
lessecho (1)
expand metacharacters
libc (7)
overview of standard C libraries on Linux
libnss_systemd.so.2 (8)
Provide UNIX user and group name resolution for use...
lighttpd (8)
a fast, secure and flexible web server
linux-update-symlinks (1)
maintain symlinks to default kernel and initramfs
list (1ssl)
list algorithms and features
lldiv (3)
compute quotient and remainder of an integer division
Locale::gettext (3pm)
message handling functions
localectl (1)
Control the system locale and keyboard layout settings
localtime (3)
transform date and time to broken-down time or ASCII
localtime_r (3)
transform date and time to broken-down time or ASCII
login (3)
write utmp and wtmp entries
logout (3)
write utmp and wtmp entries
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
losetup (8)
set up and control loop devices
lrand48 (3)
generate uniformly distributed pseudo-random numbers
lrand48_r (3)
generate uniformly distributed pseudo-random numbers r...
lspgpot (1)
extracts the ownertrust values from PGP keyrings and l...
luksformat (8)
Create and format an encrypted LUKS device
lvm-config (8)
Display and manipulate configuration information
lvm-dumpconfig (8)
Display and manipulate configuration information
lvmconfig (8)
Display and manipulate configuration information
lvmreport (7)
LVM reporting and related features
lwp-dump (1p)
See what headers and content is returned for a URL
lwp-request (1p)
Simple command line user agent
lzcat (1)
Compress or decompress .xz and .lzma files
lzma (1)
Compress or decompress .xz and .lzma files
magic (5)
file command's magic pattern file
Mail::Cap (3pm)
understand mailcap files
malloc (3)
allocate and free dynamic memory
malloc_get_state (3)
record and restore state of malloc implementation
malloc_set_state (3)
record and restore state of malloc implementation
mandb (8)
create or update the manual page index caches
matherr (3)
SVID math library exception handling
mawk (1)
pattern scanning and text processing language
md5sum (1)
compute and check MD5 message digest
md5sum.textutils (1)
compute and check MD5 message digest
mem (4)
system memory, kernel memory and system ports
mksquashfs (1)
tool to create and append to squashfs filesystems
mktime (3)
transform date and time to broken-down time or ASCII
mlock (2)
lock and unlock memory
mlock2 (2)
lock and unlock memory
mlockall (2)
lock and unlock 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...
modprobe (8)
Add and remove modules from the Linux Kernel
mpath_persistent_reserve_in (3)
send PRIN command to DM device
mpath_persistent_reserve_out (3)
send PROUT command to DM device
mrand48 (3)
generate uniformly distributed pseudo-random numbers
mrand48_r (3)
generate uniformly distributed pseudo-random numbers r...
mtr-packet (8)
send and receive network probes
munlock (2)
lock and unlock memory
munlockall (2)
lock and unlock memory
name_to_handle_at (2)
obtain handle for a pathname and open file via a handle
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
Net::SSLeay::Handle (3pm)
Perl module that lets SSL (HTTPS) sockets be hand...
netcat (1)
arbitrary TCP and UDP connections and listens
netlink (7)
communication between kernel and user space (AF_NETLINK)
newlocale (3)
create, modify, and free a locale object
newusers (8)
update and create new users in batch
NF (1)
awk and print a column (based on the name of the progr...
ngettext (1)
translate message and choose plural form
ngettext (3)
translate message and choose plural form
nl_langinfo (3)
query language and locale information
nl_langinfo_l (3)
query language and locale information
nohup (1)
run a command immune to hangups, with output to a non-tty
nrand48 (3)
generate uniformly distributed pseudo-random numbers
nrand48_r (3)
generate uniformly distributed pseudo-random numbers r...
nss-systemd (8)
Provide UNIX user and group name resolution for user/g...
ntfscat (8)
print NTFS files and streams on the standard output
ntfscmp (8)
compare two NTFS filesystems and tell the differences
ntfsfix (8)
fix common errors and force Windows to check NTFS
ntohl (3)
convert values between host and network byte order
ntohs (3)
convert values between host and network byte order
objcopy (1)
copy and translate object files
od (1)
dump files in octal and other formats
oldolduname (2)
get name and information about current kernel
olduname (2)
get name and information about current kernel
open (2)
open and possibly create a file
open_by_handle_at (2)
obtain handle for a pathname and open file via a handle
openat (2)
open and possibly create a file
openssl (1ssl)
OpenSSL command line tool
openssl-ciphers (1ssl)
SSL cipher display and cipher list tool
openssl-crl2pkcs7 (1ssl)
Create a PKCS#7 structure from a CRL and certificates
openssl-dhparam (1ssl)
DH parameter manipulation and generation
openssl-dsaparam (1ssl)
DSA parameter manipulation and generation
openssl-ecparam (1ssl)
EC parameter manipulation and generation
openssl-engine (1ssl)
load and query engines
openssl-list (1ssl)
list algorithms and features
openssl-rand (1ssl)
generate pseudo-random bytes
openssl-req (1ssl)
PKCS#10 certificate request and certificate generating...
openssl-sess_id (1ssl)
SSL/TLS session handling utility
openssl-spkac (1ssl)
SPKAC printing and generating utility
openssl-x509 (1ssl)
Certificate display and signing utility
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
ordchr (3am)
convert characters to strings and vice versa
pam_exec (8)
PAM module which calls an external command
pam_lastlog (8)
PAM module to display date of last login and perform i...
partx (8)
tell the kernel about the presence and numbering of on...
pastebinit (1)
command-line pastebin client
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
pciconfig_iobase (2)
pci device information handling
pciconfig_read (2)
pci device information handling
pciconfig_write (2)
pci device information handling
tc-pfifo_fast (8)
three-band first in, first out queue
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'
pipe (7)
overview of pipes and FIFOs
pipe (8postfix)
Postfix delivery to external command
pkexec (1)
Execute a command as another user
pkill (1)
look up or signal processes based on name and other at...
plymouth (1)
Send commands to plymouthd
plymouth (8)
A graphical boot system and logger
podselect (1)
print selected sections of pod documentation on standa...
port (4)
system memory, kernel memory and system ports
posixoptions (7)
optional parts of the POSIX standard
POST (1p)
Simple command line user agent
postlock (1)
lock mail folder and execute command
precedence (7)
C operator precedence and order of evaluation
printf (1)
format and print data
prlimit (1)
get and set process resource limits
psfxtable (1)
handle Unicode character tables for console fonts
pthread_attr_destroy (3)
initialize and destroy thread attributes object
pthread_attr_init (3)
initialize and destroy thread attributes object
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_getschedparam (3)
set/get scheduling policy and parameters of a thread
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_setrobust (3)
get and set the robustness attribute of a m...
pthread_mutexattr_setrobust_np (3)
get and set the robustness attribute of ...
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_sigmask (3)
examine and change mask of blocked signals
pthread_sigqueue (3)
queue a signal and data to a thread
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
ptmx (4)
pseudoterminal master and slave
pts (4)
pseudoterminal master and slave
pure-ftpd-wrapper (8)
configures and starts Pure-FTPd daemon
purge-old-kernels (1)
remove old kernel and header packages from the system
putc (3)
output of characters and strings
putchar (3)
output of characters and strings
puts (3)
output of characters and strings
putw (3)
input and output of words (ints)
putwchar (3)
write a wide character to standard output
pwconv (8)
convert to and from shadow passwords and groups
pwunconv (8)
convert to and from shadow passwords and groups
py3clean (1)
removes .pyc and .pyo files
pyclean (1)
removes .pyc and .pyo files
qshape (1)
Print Postfix queue domain and age distribution
rand (1ssl)
generate pseudo-random bytes
rand (3)
pseudo-random number generator
RAND_DRBG (7ssl)
the deterministic random bit generator
rand_r (3)
pseudo-random number generator
random (3)
random number generator
random (4)
kernel random number source devices
random (7)
overview of interfaces for obtaining randomness
random_r (3)
reentrant random number generator
rcmd (3)
routines for returning a stream to a remote command
rcmd_af (3)
routines for returning a stream to a remote command
rwarray (3am)
write and read gawk arrays to/from files
realloc (3)
allocate and free dynamic memory
reallocarray (3)
allocate and free dynamic memory
tc-red (8)
Random Early Detection
regdbdump (8)
parse and print out regulatory rules file
remquo (3)
remainder and part of quotient
remquof (3)
remainder and part of quotient
remquol (3)
remainder and part of quotient
req (1ssl)
PKCS#10 certificate request and certificate generating...
rescan-scsi-bus.sh (8)
script to add and remove SCSI devices without rebooting
resolvconf (1)
Resolve domain names, IPV4 and IPv6 addresses, DNS res...
resolvectl (1)
Resolve domain names, IPV4 and IPv6 addresses, DNS res...
rexec (3)
return stream to a remote command
rexec_af (3)
return stream to a remote command
rmail (8)
handle remote mail received via uucp
rresvport (3)
routines for returning a stream to a remote command
rresvport_af (3)
routines for returning a stream to a remote command
rsync (1)
a fast, versatile, remote (and local) file-copying tool
rsyslogd (8)
reliable and extended syslogd
rt_sigaction (2)
examine and change a signal action
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_tgsigqueueinfo (2)
queue a signal and data
rtmon (8)
listens to and monitors RTnetlink
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-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
scandir (3)
scan a directory for matching entries
scandirat (3)
scan a directory for matching entries
sched_getaffinity (2)
set and get a thread's CPU affinity mask
sched_getattr (2)
set and get scheduling policy and attributes
sched_getparam (2)
set and get scheduling parameters
sched_getscheduler (2)
set and get scheduling policy/parameters
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
scsi_mandat (8)
check SCSI device support for mandatory commands
scsi_readcap (8)
do SCSI READ CAPACITY command on disks
sed (1)
stream editor for filtering and transforming text
seed48 (3)
generate uniformly distributed pseudo-random numbers
seed48_r (3)
generate uniformly distributed pseudo-random numbers r...
sem_open (3)
initialize and open a named semaphore
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
sess_id (1ssl)
SSL/TLS session handling utility
set_mempolicy (2)
set default NUMA memory policy for a thread and its ch...
setfsent (3)
handle fstab entries
setmetamode (1)
define the keyboard meta key handling
setnetgrent (3)
handle network group entries
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
setsid (2)
creates a session and sets the process group ID
setsockopt (2)
get and set options on sockets
setstate (3)
random number generator
setstate_r (3)
reentrant random number generator
setup (2)
setup devices and filesystems, mount root filesystem
setupcon (1)
sets up the font and the keyboard on the console
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_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_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_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_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_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_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_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_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_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_xcopy (8)
copy data to and from files and devices using SCSI EXT...
sgdisk (8)
Command-line GUID partition table (GPT) manipulator fo...
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
shred (1)
overwrite a file to hide its contents, and optionally ...
shuf (1)
generate random permutations
sigaction (2)
examine and change a signal action
sigaltstack (2)
set and/or get signal stack context
sigandset (3)
POSIX signal set operations
signal (2)
ANSI C signal handling
significand (3)
get mantissa of floating-point number
significandf (3)
get mantissa of floating-point number
significandl (3)
get mantissa of floating-point number
sigpause (3)
atomically release blocked signals and wait for interrupt
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
sigreturn (2)
return from signal handler and cleanup stack frame
sigstack (3)
set and/or get signal stack context
sincos (3)
calculate sin and cos simultaneously
sincosf (3)
calculate sin and cos simultaneously
sincosl (3)
calculate sin and cos simultaneously
size (1)
list section sizes and total size of binary files
sleep.conf.d (5)
Suspend and hibernation configuration file
SM2 (7ssl)
Chinese SM2 signature and encryption algorithm support
smartctl (8)
Control and Monitor Utility for SMART Disks
sockatmark (3)
determine whether socket is at out-of-band mark
sos (1)
A unified tool for collecting system logs and other de...
spawn (8postfix)
Postfix external command spawner
spkac (1ssl)
SPKAC printing and generating utility
sprof (1)
read and display shared object profiling data
sqlite (1)
A command line interface for SQLite
sqlite3 (1)
A command line interface for SQLite version 3
srand (3)
pseudo-random number generator
srand48 (3)
generate uniformly distributed pseudo-random numbers
srand48_r (3)
generate uniformly distributed pseudo-random numbers r...
srandom (3)
random number generator
srandom_r (3)
reentrant random number generator
ssh-argv0 (1)
replaces the old ssh command-name as hostname handling
standards (7)
C and UNIX Standards
start-stop-daemon (8)
start and stop system daemon programs
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
stdout (3)
standard I/O streams
strace (1)
trace system calls and signals
strfry (3)
randomize a string
strftime (3)
format date and time
strip (1)
discard symbols and other data from object files
stty (1)
change and print terminal line settings
su (1)
run a command with substitute user and group ID
sudo (8)
execute a command as another user
sudo_root (8)
How to run administrative commands
sudoedit (8)
execute a command as another user
sum (1)
checksum and count the blocks in a file
swapoff (8)
enable/disable devices and files for paging and swapping
swapon (8)
enable/disable devices and files for paging and swapping
symlink (7)
symbolic link handling
syslog (3)
read and/or clear kernel message ring buffer; set cons...
system (3)
execute a shell command
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-analyze (1)
Analyze and debug system manager
systemd-backlight (8)
Load and save the display backlight brightness at boo...
systemd-backlight@.service (8)
Load and save the display backlight brightne...
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-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-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-mount (1)
Establish and destroy transient mount or auto-mount po...
systemd-notify (1)
Notify service manager about start-up completion and o...
systemd-path (1)
List and query system and user paths
systemd-random-seed (8)
Load and save the system random seed at boot and sh...
systemd-random-seed.service (8)
Load and save the system random seed at boo...
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-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-generator (8)
Generator for invoking commands specified on the ...
systemd-sleep.conf (5)
Suspend and hibernation configuration file
systemd-system.conf (5)
System and session service manager configuration files
systemd-sysusers (8)
Allocate system users and groups
systemd-sysusers.service (8)
Allocate system users and groups
systemd-timedated (8)
Time and date bus mechanism
systemd-timedated.service (8)
Time and date bus mechanism
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-udev-settle.service (8)
Wait for all pending udev events to be handled
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.conf (5)
System and session service manager configuration files
systemd.time (7)
Time and date specifications
sysusers.d (5)
Declarative allocation of system users and groups
sysv_signal (3)
signal handling with System V semantics
tac (1)
concatenate and print files in reverse
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
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
tee (1)
read from standard input and write to standard output ...
termios (3)
get and set terminal attributes, line control, get and...
test (1)
check file types and compare values
time (1)
run programs and summarize system resource usage
time (7)
overview of time and timers
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_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
tipc (8)
a TIPC configuration and management tool
tipc-node (8)
modify and show local node parameters or list peer nodes
tlsmgr (8postfix)
Postfix TLS session cache and PRNG manager
tmpfiles.d (5)
Configuration for creation, deletion and cleaning of v...
trivial-rewrite (8postfix)
Postfix address rewriting and resolving daemon
tty (1)
print the file name of the terminal connected to stand...
tty_ioctl (4)
ioctls for terminals and serial lines
udisksctl (1)
The udisks command line tool
ulimit (3)
get and set user limits
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
unexpand (1)
convert spaces to tabs
ungetc (3)
input of characters and strings
unicode_start (1)
put keyboard and console in unicode mode
unicode_stop (1)
revert keyboard and console from unicode mode
units (7)
decimal and binary prefixes
unlink (2)
delete a name and possibly the file it refers to
unlinkat (2)
delete a name and possibly the file it refers to
unlzma (1)
Compress or decompress .xz and .lzma files
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-ieee-data (8)
update data files from IEEE Standards Association such...
update-passwd (8)
safely update /etc/passwd, /etc/shadow and /etc/group
update-rc.d (8)
install and remove System-V style init script links
upower (1)
UPower command line tool
urandom (4)
kernel random number source devices
URI::Escape (3pm)
Percent-encode and percent-decode unsafe characters
URI::Heuristic (3pm)
Expand URI using heuristics
URI::Split (3pm)
Parse and compose URI strings
usbhid-dump (8)
dump USB HID device report descriptors and streams
usbmuxd (8)
Expose a socket to multiplex connections from and to i...
user.conf.d (5)
System and session service manager configuration files
userdel (8)
delete a user account and related files
userfaultfd (2)
create a file descriptor for handling page faults in u...
utime (2)
change file last access and modification times
utimes (2)
change file last access and modification times
utmpdump (1)
dump UTMP and WTMP files in raw format
vcstime (8)
Show time in upper right hand corner of the console sc...
vfork (2)
create a child process and block parent
vigpg (1)
open and edit an encrypted file
vmware-toolbox-cmd (1)
GUI toolbox (commandline version)
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.
watchgnupg (1)
Read and print logs from a socket
wc (1)
print newline, word, and byte counts for each file
whereis (1)
locate the binary, source, and manual page files for a...
which (1)
locate a command
wpa_background (8)
Background information on Wi-Fi Protected Access and I...
wpa_cli (8)
WPA command line client
wpa_supplicant (8)
Wi-Fi Protected Access client and IEEE 802.1X supplicant
X25519 (7ssl)
EVP_PKEY X25519 and X448 support
X448 (7ssl)
EVP_PKEY X25519 and X448 support
x509 (1ssl)
Certificate display and signing utility
x509 (7ssl)
X.509 certificate handling
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-c++filt (1)
demangle C++ and Java symbols
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-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-objcopy (1)
copy and translate object files
x86_64-linux-gnu-size (1)
list section sizes and total size of binary files
x86_64-linux-gnu-strip (1)
discard symbols and other data from object files
xargs (1)
build and execute command lines from standard input
xfs (5)
layout, mount options, and supported file attributes f...
xfs_growfs (8)
expand an XFS filesystem
xfs_rtcp (8)
XFS realtime copy command
xfs_scrub (8)
check and repair the contents of a mounted XFS filesystem
xtables-monitor (8)
show changes to rule set and trace-events
xtables-multi (8)
xtables multi-link binary for netfilter's iptables and...
xz (1)
Compress or decompress .xz and .lzma files
xzcat (1)
Compress or decompress .xz and .lzma files
zcat (1)
compress or expand files
zerofree (8)
zero free blocks from ext2, ext3 and ext4 file-systems
zramctl (8)
set up and control zram devices
zshbuiltins (1)
zsh built-in commands
zshexpn (1)
zsh expansion and substitution
zshmisc (1)
everything and then some
zshzle (1)
zsh command line editor