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30-systemd-environment-d-generator (8): Load variables specified by environm...
Git (3pm): Perl interface to the Git version control system
UPower (7): System-wide Power Management
_syscall (2): invoking a system call without library support (OBSOLETE)
_sysctl (2): read/write system parameters
addgroup (8): add a user or group to the system
addmntent (3): get filesystem descriptor file entry
adduser (8): add a user or group to the system
adjtime (3): correct the time to synchronize the system clock
afs_syscall (2): unimplemented system calls
arp (8): manipulate the system ARP cache
arp-fingerprint (1): Fingerprint a system using ARP
boltd (8): thunderbolt device managing system daemon
boot (7): System bootup process based on UNIX System V Release 4
bootup (7): System bootup process
break (2): unimplemented system calls
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-image (8): create/restore an image of the filesystem
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-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
btrfsck (8): check or repair a btrfs filesystem
btrfstune (8): tune various filesystem parameters
chattr (1): change file attributes on a Linux file system
closelog (3): send messages to the system logger
crypttab (5): static information about encrypted filesystems
daemon (7): Writing and packaging system daemons
date (1): print or set the system date and time
deb-systemd-helper (1p): subset of systemctl for machines not running systemd
deb-systemd-invoke (1p): wrapper around systemctl, respecting policy-rc.d
debugfs (8): ext2/ext3/ext4 file system debugger
delgroup (8): remove a user or group from the system
deluser (8): remove a user or group from the system
df (1): report file system disk space usage
dnsdomainname (1): show the system's DNS domain name
dnssec-importkey (1): import DNSKEY records from external systems so they ca...
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
dumpe2fs (8): dump ext2/ext3/ext4 filesystem information
e2fsck (8): check a Linux ext2/ext3/ext4 file system
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
endmntent (3): get filesystem descriptor file entry
ext2 (5): the second extended file system
ext3 (5): the third extended file system
ext4 (5): the fourth extended file system
fanotify (7): monitoring filesystem events
fatlabel (8): set or get MS-DOS filesystem label
fattach (2): unimplemented system calls
fdetach (2): unimplemented system calls
file-hierarchy (7): File system hierarchy overview
filesystems (5): Linux filesystem types: ext, ext2, ext3, ext4, hpfs, i...
findfs (8): find a filesystem by label or UUID
findmnt (8): find a filesystem
free (1): Display amount of free and used memory in the system
fs (5): Linux filesystem types: ext, ext2, ext3, ext4, hpfs, i...
fsadm (8): utility to resize or check filesystem on a device
fsck (8): check and repair a Linux filesystem
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
fsfreeze (8): suspend access to a filesystem (Ext3/4, ReiserFS, JFS,...
fstab (5): static information about the filesystems
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
getpmsg (2): unimplemented system calls
fuse (4): Filesystem in Userspace (FUSE) device
mount.fuse (8): format and options for the fuse file systems
fusermount (1): unmount FUSE filesystems
getconf (1): Query system configuration variables
getdirentries (3): get directory entries in a filesystem-independent format
getloadavg (3): get system load averages
getmntent (3): get filesystem descriptor file entry
getmntent_r (3): get filesystem descriptor file entry
getmsg (2): unimplemented system calls
groff (1): front-end for the groff document formatting system
groupmod (8): modify a group definition on the system
grub-fstest (1): debug tool for GRUB filesystem drivers
grub-mkrelpath (1): make a system path relative to its root
grub-mount (1): export GRUB filesystem with FUSE
gtty (2): unimplemented system calls
hasmntopt (3): get filesystem descriptor file entry
hier (7): description of the filesystem hierarchy
hostname (1): show or set the system's host name
hostnamectl (1): Control the system hostname
init (1): systemd system and service manager
inotify (7): monitoring filesystem events
intro (2): introduction to system calls
intro (5): introduction to file formats and filesystems
invoke-rc.d (8): executes System-V style init script actions
ioctl_fat (2): manipulating the FAT filesystem
ioctl_getfsmap (2): retrieve the physical layout of the filesystem
ipc (2): System V IPC system calls
isastream (2): unimplemented system calls
isosize (8): output the length of an iso9660 filesystem
journalctl (1): Query the systemd journal
kmem (4): system memory, kernel memory and system ports
landscape-sysinfo (1): Display a summary of the current system status
libnss_systemd.so.2 (8): Provide UNIX user and group name resolution for use...
loader.conf (5): Configuration file for systemd-boot
localectl (1): Control the system locale and keyboard layout settings
lock (2): unimplemented system calls
logger (1): enter messages into the system log
login (1): begin session on the system
loginctl (1): Control the systemd login manager
logrotate (8): rotates, compresses, and mails system logs
logrotate.conf (5): rotates, compresses, and mails system logs
lslocks (8): list local system locks
lslogins (1): display information about known users in the system
lvm2-activation-generator (8): generator for systemd units to activate LVM v...
lvmsadc (8): LVM system activity data collector
lvmsar (8): LVM system activity reporter
lvmsystemid (7): LVM system ID
lvremove (8): Remove logical volume(s) from the system
madvise1 (2): unimplemented system calls
man (1): an interface to the system reference manuals
mem (4): system memory, kernel memory and system ports
mkdosfs (8): create an MS-DOS filesystem under Linux
mke2fs (8): create an ext2/ext3/ext4 filesystem
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
mkntfs (8): create an NTFS file system
mksquashfs (1): tool to create and append to squashfs filesystems
mount (2): mount filesystem
mount (8): mount a filesystem
mpx (2): unimplemented system calls
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
networkd-dispatcher (8): Dispatcher service for systemd-networkd connection ...
nisdomainname (1): show or set the system's NIS/YP domain name
nologin (5): prevent unprivileged users from logging into the system
nss-systemd (8): Provide UNIX user and group name resolution for user/g...
ntfscmp (8): compare two NTFS filesystems and tell the differences
ntfslabel (8): display/change the label on an ntfs file system
ntfsls (8): list directory contents on an NTFS filesystem
ntfsresize (8): resize an NTFS filesystem without data loss
openlog (3): send messages to the system logger
os-release (5): Operating system identification
overlayroot-chroot (8): chroot into the lower filesystem in a writable mode
pam_systemd (8): Register user sessions in the systemd login manager
perror (3): print a system error message
phys (2): unimplemented system calls
pivot_root (8): change the root filesystem
plymouth (8): A graphical boot system and logger
port (4): system memory, kernel memory and system ports
proc (5): process information pseudo-filesystem
procfs (5): process information pseudo-filesystem
prof (2): unimplemented system calls
pure-pwconvert (8): Generate a virtual users file from system accounts
purge-old-kernels (1): remove old kernel and header packages from the system
putmsg (2): unimplemented system calls
putpmsg (2): unimplemented system calls
rarp (8): manipulate the system RARP table
rdma-system (8): RDMA subsystem configuration
resize2fs (8): ext2/ext3/ext4 file system resizer
restart_syscall (2): restart a system call after interruption by a stop signal
rtcwake (8): enter a system sleep state until specified wakeup time
security (2): unimplemented system calls
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
service (8): run a System V init script
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
setmntent (3): get filesystem descriptor file entry
setup (2): setup devices and filesystems, mount root filesystem
sftp-server (8): OpenSSH SFTP server subsystem
shmat (2): System V shared memory operations
shmctl (2): System V shared memory control
shmdt (2): System V shared memory operations
shmget (2): allocates a System V shared memory segment
shmop (2): System V shared memory operations
sighold (3): System V signal API
sigignore (3): System V signal API
siginterrupt (3): allow signals to interrupt system calls
sigrelse (3): System V signal API
sigset (3): System V signal API
socketcall (2): socket system calls
sos (1): A unified tool for collecting system logs and other de...
spufs (7): SPU filesystem
start-stop-daemon (8): start and stop system daemon programs
stat (1): display file or file system status
statfs (2): get filesystem statistics
statfs64 (2): get filesystem statistics
statvfs (2): get filesystem statistics
statvfs (3): get filesystem statistics
strace (1): trace system calls and signals
stty (2): unimplemented system calls
svcerr_systemerr (3): library routines for remote procedure calls
svipc (7): System V interprocess communication mechanisms
switch_root (8): switch to another filesystem as the root of the mount ...
sync (2): commit filesystem caches to 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
sysctl (2): read/write system parameters
sysfs (2): get filesystem type information
sysfs (5): a filesystem for exporting kernel objects
sysinfo (2): return system information
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-ask-password (1): Query the user for a system password
systemd-ask-password-console.path (8): Query the user for system passwords o...
systemd-ask-password-console.service (8): Query the user for system password...
systemd-ask-password-wall.path (8): Query the user for system passwords on t...
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 (8): Mark current boot process as successful
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-hwdb (8): hardware database management tool
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 (8): Load kernel modules at boot
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 (8): Network manager
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 (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-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 (8): Allocate system users and groups
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
termio (7): System V terminal driver interface
time (1): run programs and summarize system resource usage
timedatectl (1): Control the system time and date
tload (1): graphic representation of system load average
troff (1): the troff processor of the groff text formatting system
tune2fs (8): adjust tunable filesystem parameters on ext2/ext3/ext4...
tuxcall (2): unimplemented system calls
udisksd (8): The udisks system daemon
ulockmgr_server (1): Lock Manager Server for FUSE filesystems
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
unimplemented (2): unimplemented system calls
unsquashfs (1): tool to uncompress squashfs filesystems
update-rc.d (8): install and remove System-V style init script links
uptime (1): Tell how long the system has been running.
user-runtime-dir@.service (5): System units to manage user processes
user.conf.d (5): System and session service manager configuration files
user@.service (5): System units to manage user processes
ustat (2): get filesystem statistics
vgexport (8): Unregister volume group(s) from the system
vgimport (8): Register exported volume group with system
vserver (2): unimplemented system calls
vsyslog (3): send messages to the system logger
xfs_admin (8): change parameters of an XFS filesystem
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_quota (8): manage use of quota on XFS filesystems
xfs_repair (8): repair an XFS filesystem
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
ypdomainname (1): show or set the system's NIS/YP domain name
zerofree (8): zero free blocks from ext2, ext3 and ext4 file-systems
zshcalsys (1): zsh calendar system
zshcompsys (1): zsh completion system
zshtcpsys (1): zsh tcp system