ionice set or get process I/O scheduling class and priority

ipcmk make various IPC resources

ipcrm remove certain IPC resources

ipcs show information on IPC facilities

ippeveprinter an ipp everywhere printer application for cups

ippfind find internet printing protocol printers

ipptool perform internet printing protocol requests

ir-ctl a swiss-knife tool to handle raw IR and to set lirc options

ischroot detect if running in a chroot

ispell-wrapper smart wrapper for ispell

join join lines of two files on a common field

journalctl Query the systemd journal

json_pp JSON::PP command utility

kbd_mode report or set the keyboard mode

kbdinfo obtain information about the status of a console

kbxutil List, export, import Keybox data

keyctl key management facility control

kill send a signal to a process

killall kill processes by name

ksh MirBSD Korn shell

l2ping Send L2CAP echo request and receive answer

l2test L2CAP testing tool

laptop-detect attempt to detect a laptop

last show a listing of last logged in users

lastb show a listing of last logged in users

lcf Determine which of the historical versions of a config is installed

ld The GNU linker

ld.bfd The GNU linker

ld.gold The GNU ELF linker

ldd print shared object dependencies

less opposite of more

lessecho expand metacharacters

lessfile "input preprocessor" for less.

lesskey specify key bindings for less

lesspipe "input preprocessor" for less.

lexgrog parse header information in man pages

lft print the route packets trace to network host

lft.db print the route packets trace to network host

libnetcfg configure libnet

libpng-config get information about installed libpng library

libpng16-config get information about installed libpng library

lightdm a display manager

link call the link function to create a link to a file

linux-check-removal check whether removal of a kernel is safe

linux-update-symlinks maintain symlinks to default kernel and initramfs

linux-version operate on Linux kernel version strings

linux32 change reported architecture in new program environment and/or set personality flags

linux64 change reported architecture in new program environment and/or set personality flags

list list algorithms and features

lksh Legacy Korn shell built on mksh

ln make links between files

loadkeys load keyboard translation tables

locale get locale-specific information

localectl Control the system locale and keyboard layout settings

localedef compile locale definition files

logger enter messages into the system log

login begin session on the system

loginctl Control the systemd login manager

logname print user's login name

look display lines beginning with a given string

lp print files

lpoptions display or set printer options and defaults

lpstat print cups status information

ls list directory contents

lsattr list file attributes on a Linux second extended file system

lsb_release print distribution-specific information

lscpu display information about the CPU architecture

lsipc show information on IPC facilities currently employed in the system

lslogins display information about known users in the system

lsmem list the ranges of available memory with their online status

lspgpot extracts the ownertrust values from PGP keyrings and list them in GnuPG ownertrust format.

lua Lua interpreter

luac Lua compiler

luajit Just-In-Time Compiler for the Lua Language

lxappearance GTK+ theme switcher

lxclipboard clipboard utility for LXSession and LXDE

lxde-logout program for...

lxinput a light-weight program to configure keyboard and mouse

lxpanel a lightweight GTK2-based panel for the LXDE desktop.

lxpanelctl controller for lxpanel.

lxpolkit PolicyKit agent for LXDE

lxrandr a GTK+2 interface to XRandR for LXDE desktop.

lxsession a lightweight X session manager

lxsession-db lxsesion database updater

lxsession-default Launching default applications set by LXSession

lxsession-default-terminal Launching default terminal set by LXSession

lxsession-edit a simple session editor GUI for LXDE which follows autostart specs from FreeDesktop.Org

lxsession-logout program to logout from LXSession

lxsession-xdg-autostart lxsession's autostart runner

lxtask a lightweight GTK+ task manager.

lxterminal a lightweight terminal emulator based on GTK+ for the LXDE desktop.

make GNU make utility to maintain groups of programs

make-first-existing-target runs make on one of several targets

man an interface to the system reference manuals

man-recode convert manual pages to another encoding

manconv convert manual page from one encoding to another

manpath determine search path for manual pages

mawk pattern scanning and text processing language

mcookie generate magic cookies for xauth

md5sum compute and check MD5 message digest

md5sum.textutils compute and check MD5 message digest

memusage profile memory usage of a program

memusagestat generate graphic from memory profiling data

mesg display (or do not display) messages from other users

migrate-pubring-from-classic-gpg Migrate a public keyring from "classic" to "modern" GnuPG

mkdir make directories

mkfifo make FIFOs (named pipes)

mknod make block or character special files

mksh MirBSD Korn shell

mksh-static MirBSD Korn shell

mktemp create a temporary file or directory

mkvextract extract tracks from Matroska files into other files

mkvinfo Print information about elements in Matroska files

mkvmerge Merge multimedia streams into a Matroska file

mkvpropedit Modify properties of existing Matroska files without a complete remux

mmcli Control and monitor the ModemManager

modeline2fb simple modeline to fb.modes translator

more file perusal filter for crt viewing

mountpoint see if a directory or file is a mountpoint

mousepad simple text editor for Xfce

mpris-proxy Bluetooth mpris-proxy

mt control magnetic tape drive operation

mt-gnu control magnetic tape drive operation

mtrace interpret the malloc trace log

mv move (rename) files

namei follow a pathname until a terminal point is found

nano Nano's ANOther editor, inspired by Pico

nawk pattern scanning and text processing language

nc arbitrary TCP and UDP connections and listens

nc.openbsd arbitrary TCP and UDP connections and listens

nc_openbsd arbitrary TCP and UDP connections and listens

ncdu NCurses Disk Usage

neqn format equations for ASCII output

netcat arbitrary TCP and UDP connections and listens

networkctl Query the status of network links

newgrp log in to a new group

ngettext translate message and choose plural form

nice run a program with modified scheduling priority

nisdomainname show or set the system's NIS/YP domain name

nl number lines of files

nm list symbols from object files

nohup run a command immune to hangups, with output to a non-tty

nproc print the number of processing units available

nroff use groff to format documents for TTY devices

nsenter run program in different namespaces

nseq create or examine a Netscape certificate sequence

numfmt Convert numbers from/to human-readable strings

nvlc the VLC media player

obamenu menu generator for the openbox window manager.

obexctl A command-line interface of BlueZ for OBEX (file transfer)

objcopy copy and translate object files

objdump display information from object files

obxprop A minimalistic, highly configurable, next generation window manager with extensive standards support.

ocsp Online Certificate Status Protocol utility

od dump files in octal and other formats

open opens a file or URL in the user's preferred application

openbox A minimalistic, highly configurable, next generation window manager with extensive standards support.

openbox-lxde wrapper to run openbox for LXDE

openbox-session Runs an Openbox session without any session manager.

openssl OpenSSL command line tool

openssl-asn1parse ASN.1 parsing tool

openssl-c_rehash Create symbolic links to files named by the hash values

openssl-ca sample minimal CA application

openssl-ciphers SSL cipher display and cipher list tool

openssl-cms CMS utility

openssl-crl CRL utility

openssl-crl2pkcs7 Create a PKCS#7 structure from a CRL and certificates

openssl-dgst perform digest operations

openssl-dhparam DH parameter manipulation and generation

openssl-dsa DSA key processing

openssl-dsaparam DSA parameter manipulation and generation

openssl-ec EC key processing

openssl-ecparam EC parameter manipulation and generation

openssl-enc symmetric cipher routines

openssl-engine load and query engines

openssl-errstr lookup error codes

openssl-gendsa generate a DSA private key from a set of parameters

openssl-genpkey generate a private key

openssl-genrsa generate an RSA private key

openssl-list list algorithms and features

openssl-nseq create or examine a Netscape certificate sequence

openssl-ocsp Online Certificate Status Protocol utility

openssl-passwd compute password hashes

openssl-pkcs12 PKCS#12 file utility

openssl-pkcs7 PKCS#7 utility

openssl-pkcs8 PKCS#8 format private key conversion tool

openssl-pkey public or private key processing tool

openssl-pkeyparam public key algorithm parameter processing tool

openssl-pkeyutl public key algorithm utility

openssl-prime compute prime numbers

openssl-rand generate pseudo-random bytes

openssl-rehash Create symbolic links to files named by the hash values

openssl-req PKCS#10 certificate request and certificate generating utility

openssl-rsa RSA key processing tool

openssl-rsautl RSA utility

openssl-s_client SSL/TLS client program

openssl-s_server SSL/TLS server program

openssl-s_time SSL/TLS performance timing program

openssl-sess_id SSL/TLS session handling utility

openssl-smime S/MIME utility

openssl-speed test library performance

openssl-spkac SPKAC printing and generating utility

openssl-srp maintain SRP password file

openssl-storeutl STORE utility

openssl-ts Time Stamping Authority tool (client/server)

openssl-tsget Time Stamping HTTP/HTTPS client

openssl-verify Utility to verify certificates

openssl-version print OpenSSL version information

openssl-x509 Certificate display and signing utility

openvt start a program on a new virtual terminal (VT).

p7zip Wrapper on 7-Zip file archiver with high compression ratio

pacat Play back or record raw or encoded audio streams on a PulseAudio sound server

pacmd Reconfigure a PulseAudio sound server during runtime

pactl Control a running PulseAudio sound server

padsp PulseAudio OSS Wrapper

pager opposite of more

pamon Play back or record raw or encoded audio streams on a PulseAudio sound server

paperconf print paper configuration information

paplay Play back or record raw or encoded audio streams on a PulseAudio sound server

parec Play back or record raw or encoded audio streams on a PulseAudio sound server

parecord Play back or record raw or encoded audio streams on a PulseAudio sound server

parse-edid read-edid tools to retrieve and interpret monitor specifications using the VESA VBE DDC protocol

passwd change user password

passwd compute password hashes

paste merge lines of files

pasuspender Temporarily suspend PulseAudio

patch apply a diff file to an original

pathchk check whether file names are valid or portable

pax11publish PulseAudio X11 Credential Utility

pdb3 the Python debugger

pdb3.9 the Python debugger

pdf2dsc generate a PostScript page list of a PDF document

pdf2ps Ghostscript PDF to PostScript translator

pdfattach Portable Document Format (PDF) document embedded file creator (version 3.03)

pdfdetach Portable Document Format (PDF) document embedded file extractor (version 3.03)

pdffonts Portable Document Format (PDF) font analyzer (version 3.03)

pdfimages Portable Document Format (PDF) image extractor (version 3.03)

pdfinfo Portable Document Format (PDF) document information extractor (version 3.03)

pdfseparate Portable Document Format (PDF) page extractor

pdfsig Portable Document Format (PDF) digital signatures tool

pdftocairo Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG using cairo

pdftohtml program to convert PDF files into HTML, XML and PNG images

pdftoppm Portable Document Format (PDF) to Portable Pixmap (PPM) converter (version 3.03)

pdftops Portable Document Format (PDF) to PostScript converter (version 3.03)

pdftotext Portable Document Format (PDF) to text converter (version 3.03)

pdfunite Portable Document Format (PDF) page merger

peekfd peek at file descriptors of running processes

perf performance analysis tools for Linux

perl The Perl 5 language interpreter

perlbug how to submit bug reports on Perl

perlivp Perl Installation Verification Procedure

perlthanks how to submit bug reports on Perl

pf2afm Make an AFM file from Postscript (PFB/PFA/PFM) font files using ghostscript

pfbtopfa Convert Postscript .pfb fonts to .pfa format using ghostscript

pgrep look up, signal, or wait for processes based on name and other attributes

pgzrun Run games written in Pygame Zero.

pic compile pictures for troff or TeX

pico Nano's ANOther editor, inspired by Pico

piconv - iconv(1), reinvented in perl

pidwait look up, signal, or wait for processes based on name and other attributes

pig2vcd A utility to convert pigpio notifications to VCD.

pigpiod A utility to start the pigpio library as a daemon.

pigs command line socket access to the pigpio daemon.

pigz compress or expand files

pinentry PIN or pass-phrase entry dialog for GnuPG

pinentry-curses PIN or pass-phrase entry dialog for GnuPG

pinentry-gnome3 PIN or pass-phrase entry dialog for GnuPG

pinentry-x11 PIN or pass-phrase entry dialog for GnuPG

pinky lightweight finger

pinout GPIO Zero pinout tool

pipewire The PipeWire media server

pkaction Get details about a registered action

pkcheck Check whether a process is authorized

pkcs12 PKCS#12 file utility

pkcs7 PKCS#7 utility

pkcs8 PKCS#8 format private key conversion tool

pkexec Execute a command as another user

pkey public or private key processing tool

pkeyparam public key algorithm parameter processing tool

pkeyutl public key algorithm utility

pkg-config Return metainformation about installed libraries

pkill look up, signal, or wait for processes based on name and other attributes

pkttyagent Textual authentication helper

pl2pm Rough tool to translate Perl4 .pl files to Perl5 .pm modules.

pldd display dynamic shared objects linked into a process

plymouth Send commands to plymouthd

plymouth-set-default-theme Set the plymouth theme

pmap report memory map of a process

pod2html convert .pod files to .html files

pod2man Convert POD data to formatted *roff input

pod2text Convert POD data to formatted ASCII text

pod2usage print usage messages from embedded pod docs in files

podchecker check the syntax of POD format documentation files

ppdc cups ppd compiler (deprecated)

ppdhtml cups html summary generator (deprecated)

ppdi import ppd files (deprecated)

ppdmerge merge ppd files (deprecated)

ppdpo ppd message catalog generator (deprecated)

pr convert text files for printing

preconv convert encoding of input files to something GNU troff understands

prime compute prime numbers

print execute programs via entries in the mailcap file

printafm Print the metrics from a Postscript font in AFM format using ghostscript

printenv print all or part of environment

printf format and print data

prlimit get and set process resource limits

procps report a snapshot of the current processes.

prove Run tests through a TAP harness.

proxy Display the proxy server that should be used to reach a given a network resource

prtstat print statistics of a process

ps report a snapshot of the current processes.

ps2ascii Ghostscript translator from PostScript or PDF to ASCII

ps2epsi generate conforming Encapsulated PostScript

ps2pdf Convert PostScript to PDF using ghostscript

ps2pdf12 Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) using ghostscript

ps2pdf13 Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) using ghostscript

ps2pdf14 Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) using ghostscript

ps2pdfwr Convert PostScript to PDF without specifying CompatibilityLevel, using ghostscript

ps2ps Ghostscript PostScript "distiller"

psfaddtable add a Unicode character table to a console font

psfgettable extract the embedded Unicode character table from a console font

psfstriptable remove the embedded Unicode character table from a console font

psfxtable handle Unicode character tables for console fonts

pslog report current logs path of a process

pstree display a tree of processes

pstree.x11 display a tree of processes

ptar a tar-like program written in perl

ptardiff program that diffs an extracted archive against an unextracted one

ptargrep Apply pattern matching to the contents of files in a tar archive

ptx produce a permuted index of file contents

pulseaudio The PulseAudio Sound System

pw-cat Play an Record media with PipeWire

pw-cli The PipeWire Command Line Interface

pw-dot The PipeWire dot graph dump

pw-metadata The PipeWire metadata

pw-mididump The PipeWire midi dump

pw-midiplay Play an Record media with PipeWire

pw-midirecord Play an Record media with PipeWire

pw-mon The PipeWire monitor

pw-play Play an Record media with PipeWire

pw-profiler The PipeWire profiler

pw-record Play an Record media with PipeWire

pwd print name of current/working directory

pwdx report current working directory of a process

py3clean removes .pyc and .pyo files

py3compile byte compile Python 3 source files

py3versions print python3 version information

pydoc3 the Python documentation tool

pydoc3.9 the Python documentation tool

pygettext3 Python equivalent of xgettext(1)

pygettext3.9 Python equivalent of xgettext(1)

pyjwt3 Python implementation of JSON Web Token

pypy fast, compliant alternative implementation of the Python language

python an interpreted, interactive, object-oriented programming language

python3-config output build options for python C/C++ extensions or embedding

python3 an interpreted, interactive, object-oriented programming language

python3.9 an interpreted, interactive, object-oriented programming language

python3.9-config output build options for python C/C++ extensions or embedding

qpdfview tabbed document viewer

qt5ct Qt5 Configuration Utility

qvlc the VLC media player

rand generate pseudo-random bytes

ranlib generate an index to an archive

rbash restricted bash, see bash(1)

rcp OpenSSH secure file copy

rctest RFCOMM testing

readelf display information about ELF files

readlink print resolved symbolic links or canonical file names

realpath print the resolved path

red line-oriented text editor

rehash Create symbolic links to files named by the hash values

renice alter priority of running processes

req PKCS#10 certificate request and certificate generating utility

reset terminal initialization

resolvconf Resolve domain names, IPV4 and IPv6 addresses, DNS resource records, and services; introspect and reconfigure the DNS reso...

resolvectl Resolve domain names, IPV4 and IPv6 addresses, DNS resource records, and services; introspect and reconfigure the DNS reso...

rev reverse lines characterwise

rfcomm RFCOMM configuration utility

rgrep print lines that match patterns

rksh MirBSD Korn shell

rlksh Legacy Korn shell built on mksh

rlogin OpenSSH remote login client

rm remove files or directories

rmdir remove empty directories

rmksh MirBSD Korn shell

rnano a restricted nano

rngtest Check the randomness of data using FIPS 140-2 tests

rpcgen an RPC protocol compiler

rsa RSA key processing tool

rsautl RSA utility

rsh OpenSSH remote login client

rsync a fast, versatile, remote (and local) file-copying tool

rsync-ssl a helper script for connecting to an ssl rsync daemon

run-mailcap execute programs via entries in the mailcap file

runcon run command with specified security context

runuser run a command with substitute user and group ID

rview Vi IMproved, a programmer's text editor

rvim Vi IMproved, a programmer's text editor

rvlc the VLC media player

s_client SSL/TLS client program

s_server SSL/TLS server program

s_time SSL/TLS performance timing program

sane-find-scanner find SCSI and USB scanners and their device files

scanimage scan an image

scp OpenSSH secure file copy

screendump dump the contents of a virtual console to stdout

script make typescript of terminal session

scriptlive re-run session typescripts, using timing information

scriptreplay play back typescripts, using timing information

scrot command line screen capture utility

sdiff (unknown subject)

sdptool control and interrogate SDP servers

sed stream editor for filtering and transforming text

see execute programs via entries in the mailcap file

select-default-iwrap Selects the user default ispell dictionary for use with ispell-wrapper

select-editor select your default sensible-editor from all installed editors

sensible-browser sensible web browsing

sensible-editor sensible editing

sensible-pager (unknown subject)

seq print a sequence of numbers

sess_id SSL/TLS session handling utility

sessreg manage utmpx/wtmpx entries for non-init clients

setcifsacl Userspace helper to alter an ACL in a security descriptor for Common Internet File System (CIFS)

setfacl set file access control lists

setleds set the keyboard leds

setmetamode define the keyboard meta key handling

setpriv run a program with different Linux privilege settings

setsid run a program in a new session

setterm set terminal attributes

setupcon sets up the font and the keyboard on the console

setvtrgb customize the console color map

setxkbmap set the keyboard using the X Keyboard Extension

sftp OpenSSH secure file transfer

sg execute command as different group ID

sh command interpreter (shell)

sha1sum compute and check SHA1 message digest

sha224sum compute and check SHA224 message digest

sha256sum compute and check SHA256 message digest

sha384sum compute and check SHA384 message digest

sha512sum compute and check SHA512 message digest

shasum Print or Check SHA Checksums

showkey examine the codes sent by the keyboard

showrgb display an rgb color-name database

shred overwrite a file to hide its contents, and optionally delete it

shuf generate random permutations

size list section sizes and total size of binary files

skill send a signal or report process status

slabtop display kernel slab cache information in real time

sleep delay for a specified amount of time

slogin OpenSSH remote login client

smb2-quota Userspace helper to display quota information for the Linux SMB client file system (CIFS)

smbinfo Userspace helper to display SMB-specific file information for the Linux SMB client file system (CIFS)

smime S/MIME utility

snice send a signal or report process status

soelim interpret .so requests in groff input

sort sort lines of text files

sotruss trace shared library calls through PLT

speaker-test command-line speaker test tone generator for ALSA

speed test library performance

spkac SPKAC printing and generating utility

split split a file into pieces

splitfont extract characters from an ISO-type font.

sprof read and display shared object profiling data

srp maintain SRP password file

ssh OpenSSH remote login client

ssh-add adds private key identities to the OpenSSH authentication agent

ssh-agent OpenSSH authentication agent

ssh-argv0 replaces the old ssh command-name as hostname handling

ssh-copy-id use locally available keys to authorise logins on a remote machine

ssh-import-id retrieve one or more public keys from a public keyserver and append them to the current user's authorized_keys file (or so...

ssh-import-id-gh retrieve one or more public keys from a public keyserver and append them to the current user's authorized_keys file (or so...

ssh-import-id-lp retrieve one or more public keys from a public keyserver and append them to the current user's authorized_keys file (or so...

ssh-keygen OpenSSH authentication key utility

ssh-keyscan gather SSH public keys from servers

start-pulseaudio-x11 PulseAudio Sound Server X11 Startup Script

startlxde X session script to prepare environment and run lxsession.

startx initialize an X session

stat display file or file system status

stdbuf Run COMMAND, with modified buffering operations for its standard streams.

storeutl STORE utility

strace trace system calls and signals

strace-log-merge merge strace -ff -tt output

streamzip create a zip file from stdin

strings print the sequences of printable characters in files

strip discard symbols and other data from object files

stty change and print terminal line settings

su run a command with substitute user and group ID

sum checksum and count the blocks in a file

svlc the VLC media player

sync Synchronize cached writes to persistent storage

system-config-printer configure a CUPS server

system-config-printer-applet print job manager

systemctl Control the systemd system and service manager

systemd systemd system and service manager

systemd-analyze Analyze and debug system manager

systemd-ask-password Query the user for a system password

systemd-cat Connect a pipeline or program's output with the journal

systemd-cgls Recursively show control group contents

systemd-cgtop Show top control groups by their resource usage

systemd-delta Find overridden configuration files

systemd-detect-virt Detect execution in a virtualized environment

systemd-escape Escape strings for usage in systemd unit names

systemd-id128 Generate and print sd-128 identifiers

systemd-inhibit Execute a program with an inhibition lock taken

systemd-machine-id-setup Initialize the machine ID in /etc/machine-id

systemd-mount Establish and destroy transient mount or auto-mount points

systemd-notify Notify service manager about start-up completion and other daemon status changes

systemd-path List and query system and user paths

systemd-run Run programs in transient scope units, service units, or path-, socket-, or timer-triggered service units

systemd-socket-activate Test socket activation of daemons

systemd-tty-ask-password-agent List or process pending systemd password requests

systemd-umount Establish and destroy transient mount or auto-mount points

tabs set tabs on a terminal

tac concatenate and print files in reverse

tail output the last part of files

tar an archiving utility

tarcat concatenates the pieces of a GNU tar multi-volume archive

taskset set or retrieve a process's CPU affinity

tbl format tables for troff

tee read from standard input and write to standard output and files

tempfile create a temporary file in a safe manner

test check file types and compare values

th-cmd - triggerhappy commander

thd - triggerhappy global hotkey daemon

tic the terminfo entry-description compiler

timedatectl Control the system time and date

timeout run a command with a time limit

tload graphic representation of system load average

toe table of (terminfo) entries

top display Linux processes

touch change file timestamps

tput initialize a terminal or query terminfo database

tr translate or delete characters

traceproto print the route packets trace to network host

traceproto.db print the route packets trace to network host

traceroute print the route packets trace to network host

traceroute-nanog print the route packets trace to network host

traceroute.db print the route packets trace to network host

traceroute6 print the route packets trace to network host

traceroute6.db print the route packets trace to network host

tree list contents of directories in a tree-like format.

troff the troff processor of the groff text formatting system

true do nothing, successfully

truncate shrink or extend the size of a file to the specified size

trust Tool for operating on the trust policy store

ts Time Stamping Authority tool (client/server)

tset terminal initialization

tsget Time Stamping HTTP/HTTPS client

tsort perform topological sort

tty print the file name of the terminal connected to standard input

tzselect view timezones

ucf Update Configuration File: preserve user changes in configuration files

ucfq query the ucf database

ucfr Update Configuration File Registry: associate packages with configuration files

udisksctl The udisks command line tool

ul do underlining

uname print system information

unexpand convert spaces to tabs

unicode_start put keyboard and console in unicode mode

unicode_stop revert keyboard and console from unicode mode

uniq report or omit repeated lines

unlink call the unlink function to remove the specified file

unpigz compress or expand files

unshare run program in new namespaces

unxrandr inverse tool of xrandr

unzip list, test and extract compressed files in a ZIP archive

unzipsfx self-extracting stub for prepending to ZIP archives

update-alternatives maintain symbolic links determining default commands

update-desktop-database Build cache database of MIME types handled by desktop files

update-inetd create, remove, enable or disable entry /etc/inetd.conf

update-mime-database a program to build the Shared MIME-Info database cache

upower UPower command line tool

uptime Tell how long the system has been running.

usb-devices print USB device details

usb_modeswitch control the mode of 'multi-state' USB devices

usb_modeswitch_dispatcher Linux wrapper for usb_modeswitch (not intended for direct invocation)

users print the user names of users currently logged in to the current host

utmpdump dump UTMP and WTMP files in raw format

uuid Universally Unique Identifier Command-Line Tool

v4l2-compliance An application to test video4linux drivers

v4l2-ctl An application to control video4linux drivers

vdir list directory contents

verify Utility to verify certificates

version print OpenSSL version information

vi Vi IMproved, a programmer's text editor

view Vi IMproved, a programmer's text editor

vim Vi IMproved, a programmer's text editor

vimdiff edit two, three or four versions of a file with Vim and show differences

vlc the VLC media player

vlc-wrapper a wrapper to drop privileges with VLC

wall write a message to all users

watch execute a program periodically, showing output fullscreen

watchgnupg Read and print logs from a socket

wc print newline, word, and byte counts for each file

whatis display one-line manual page descriptions

whereis locate the binary, source, and manual page files for a command

which locate a command

whiptail display dialog boxes from shell scripts

who show who is logged on

whoami print effective userid

write send a message to another user

write.ul send a message to another user

x-session-manager X session script to prepare environment and run lxsession.

x-terminal-emulator a lightweight terminal emulator based on GTK+ for the LXDE desktop.

x-window-manager A minimalistic, highly configurable, next generation window manager with extensive standards support.

x509 Certificate display and signing utility

xarchiver GTK+ front end for managing archives

xargs build and execute command lines from standard input

xauth X authority file utility

xcmsdb Device Color Characterization utility for X Color Management System

xdg-dbus-proxy D-Bus proxy

xdg-desktop-icon command line tool for (un)installing icons to the desktop

xdg-desktop-menu command line tool for (un)installing desktop menu items

xdg-email command line tool for sending mail using the user's preferred e-mail composer

xdg-icon-resource command line tool for (un)installing icon resources

xdg-mime command line tool for querying information about file type handling and adding descriptions for new file types

xdg-open opens a file or URL in the user's preferred application

xdg-screensaver command line tool for controlling the screensaver

xdg-settings get various settings from the desktop environment

xdg-user-dir Find an XDG user dir

xdg-user-dirs-update Update XDG user dir configuration

xfconf-query Command line utility for xfconf system

xgamma Alter a monitor's gamma correction through the X server

xhost server access control program for X

xinit X Window System initializer

xinput utility to configure and test X input devices

xkbbell XKB extension user utility

xkbcomp compile XKB keyboard description

xkbevd XKB event daemon

xkbprint print an XKB keyboard description

xkbvleds XKB extension user utility

xkbwatch XKB extension user utility

xmodmap utility for modifying keymaps and pointer button mappings in X

Xorg X11R7 X server

xrandr primitive command line interface to RandR extension

xrdb X server resource database utility

xrefresh refresh all or part of an X screen

Xserver X Window System display server

xset user preference utility for X

xsetmode set the mode for an X Input device

xsetpointer set an X Input device as the main pointer

xsetroot root window parameter setting utility for X

xstdcmap X standard colormap utility

xsubpp compiler to convert Perl XS code into C code

xvidtune video mode tuner for Xorg

xxd make a hexdump or do the reverse.

yes output a string repeatedly until killed

ypdomainname show or set the system's NIS/YP domain name

zenity display GTK+ dialogs

zip package and compress (archive) files

zipcloak encrypt entries in a zipfile

zipdetails display the internal structure of zip files

zipgrep search files in a ZIP archive for lines matching a pattern

zipinfo list detailed information about a ZIP archive

zipnote write the comments in zipfile to stdout, edit comments and rename files in zipfile

zipsplit split a zipfile into smaller zipfiles

zsoelim satisfy .so requests in roff input