Linux Commands Examples

A great documentation place for Linux commands

use wildcards (*,?): example, bz* will match bzless and bzmore


s2p - a stream editor
safe_finger - finger client wrapper that protects against nasty stuff from finger servers
sane-find-scanner - find SCSI and USB scanners and their device files
saned - SANE network daemon
savelog - save a log file
sbigtopgm - convert an SBIG CCDOPS file into a portable graymap
scanimage - scan an image
schemagen - [options ...] <java files> Options: -d <path> : Specify where to place processor and javac generated class files -cp <path> : Specify where to find user specified files -classpath <path> : Specify where to find user specified files -help : Display this usage message Generated Resource Files The current schema generator simply creates a schema file for each namespace referenced in your Java classes. There is no way to control the name of the generated schema files at this time. For that purpose, use the schema generator ant task.
scp - secure copy (remote file copy program)
screendump - dump the contents of a virtual console to stdout
screenruler - a graphical ruler to measure objects on screen
script - make typescript of terminal session
scriptreplay - play back typescripts, using timing information
sdiff - side-by-side merge of file differences
sdptool - control and interrogate SDP servers
seahorse - Passwords and Keys
sed - stream editor for filtering and transforming text
see - , edit, compose, print execute programs via entries in the mailcap file
select-default-ispell - select default ispell dictionary
select-default-iwrap - Selects the user default ispell dictionary for use with ispell-wrapper
select-default-wordlist - select default wordlist
select-editor - select your default sensible-editor from all installed editors
sensible-browser - sensible editing, paging, and web browsing
sensible-editor - pager, sensible-browser - sensible editing, paging, and web browsing
sensible-pager - pager, sensible-browser - sensible editing, paging, and web browsing
seq - print a sequence of numbers
serialver - The Serial Version Command The serialver command returns the serialVersionUID .
service - run a System V init script
session-installer - allows applications to easily install and remove software
session-migration - Migrate in user session settings.
sessreg - manage utmp/wtmp entries for non-init clients
setarch - change reported architecture in new program environment and set personality flags
setcap - set file capabilities
setfacl - set file access control lists
setfont - load EGA/VGA console screen font
setkeycodes - load kernel scancode-to-keycode mapping table entries
setleds - set the keyboard leds
setlogcons - Send kernel messages to console N
setmetamode - define the keyboard meta key handling
setpci - configure PCI devices
setsid - run a program in a new session
setterm - set terminal attributes
setupcon - sets up the font and the keyboard on Linux console
setvesablank - Turn VESA screen blanking on or off
setvtrgb - customize the console color map
setxkbmap - set the keyboard using the X Keyboard Extension
sfdisk - partition table manipulator for Linux
sftp - secure file transfer program
sg - execute command as different group ID
sgitopnm - convert a SGI image file to a portable anymap
sh - command interpreter (shell)
sh.distrib - DASH(1) BSD General Commands Manual DASH(1) dash — command interpreter (shell)
sha1pass - Create a SHA1 password hash
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
shadowconfig - toggle shadow passwords on and off
shasum - Print or Check SHA Checksums
shotwell - a digital photo organizer
shotwell-video-thumbnailer - writes video thumbnail to stdout
showchar - show character with information
showconsolefont - Show the current EGA/VGA console screen font
showfont - font dumper for X font server
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
shutdown - bring the system down
sigtool - signature and database management tool
simple-scan - Scanning utility
sirtopnm - convert a Solitaire file into a portable anymap
size - list section sizes and total size.
skill - , snice send a signal or report process status
slabtop - display kernel slab cache information in real time
slattach - attach a network interface to a serial line
sldtoppm - convert an AutoCAD slide file into a portable pixmap
sleep - delay for a specified amount of time
slogin - SSH(1) BSD General Commands Manual SSH(1) ssh — OpenSSH SSH client (remote login program)
slxdecode - Decode a SLX stream into human readable form.
smbcacls - Set or get ACLs on an NT file or directory names
smbclient - ftp-like client to access SMB/CIFS resources on servers
smbcquotas - Set or get QUOTAs of NTFS 5 shares
smbget - wget-like utility for download files over SMB
smbpasswd - change a user´s SMB password
smbspool - send a print file to an SMB printer
smbtar - shell script for backing up SMB/CIFS shares directly to UNIX tape drives
smbtree - A text based smb network browser
smproxy - Session Manager Proxy
sndfile-cmp - compares two audio files
sndfile-concat - concatenates two or more audio files
sndfile-convert - convert a sound files from one format to another
sndfile-deinterleave - split a multi-channel into multiple single channel files
sndfile-generate-chirp - generate a sound file containing a chirp
sndfile-info - display information about a sound file
sndfile-interleave - convert multiple single channel files into a multi-channel file sndfile-deinterleave - split a multi-channel into multiple single channel files
sndfile-jackplay - play a sound file via the JACK sound server
sndfile-metadata-get - retrieve metadata from a sound file sndfile-metadata-set - set metadata in a sound file
sndfile-metadata-set - set metadata in a sound file
sndfile-mix-to-mono - mix a multi-channel sound file to mono
sndfile-play - play a sound file
sndfile-spectrogram - generate a spectrogram from an input sound file
snice - send a signal or report process status
soelim - interpret .so requests in groff input
software-center - manage software
software-properties-gtk - Software Sources List editor
sort - sort lines of text files
sox - Sound eXchange, the Swiss Army knife of audio manipulation
soxi - Sound eXchange Information, display sound file metadata
spctoppm - convert an Atari compressed Spectrum file into a portable pixmap
spd-conf - A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
spd-say - send text-to-speech output request to speech-dispatcher
speaker-test - command-line speaker test tone generator for ALSA
speech-dispatcher - server process managing speech requests in Speech Dispatcher
splain - produce verbose warning diagnostics
split - split a file into pieces
split-logfile - Split combined virtual hosts access log into one file per virtual host
splitdiff - separate out incremental patches
splitfont - extract characters from an ISO-type font.
sprof - Read and display shared object profiling data
sputoppm - convert an Atari uncompressed Spectrum file into a portable pixmap
ss - another utility to investigate sockets
ssh - OpenSSH SSH client (remote login program)
ssh-add - adds private key identities to the authentication agent
ssh-agent - authentication agent
ssh-argv0 - replaces the old ssh command-name as hostname handling
ssh-askpass - prompts a user for a passphrase using GNOME
ssh-copy-id - install your public key in a remote machine’s authorized_keys
ssh-keygen - authentication key generation, management and conversion
ssh-keyscan - gather ssh public keys
ssh-vulnkey - check blacklist of compromised keys
sshfs - filesystem client based on ssh
st4topgm - convert an SBIG ST4 format file into a portable graymap
start - init daemon control tool
start-pulseaudio-kde - PulseAudio Sound Server KDE Startup Script
start-pulseaudio-x11 - PulseAudio Sound Server X11 Startup Script
start-stop-daemon - start and stop system daemon programs
startpar - start runlevel scripts in parallel
startx - initialize an X session
stat - display file or file system status
status - init daemon control tool
stdbuf - Run COMMAND, with modified buffering operations for its standard streams.
stop - init daemon control tool
strace - trace system calls and signals
stream - a lightweight tool to stream one or more pixel components of the image or portion of the image to your choice of storage formats.
stream.im6 - a lightweight tool to stream one or more pixel components of the image or portion of the image to your choice of storage formats.
strfile - create a random access file for storing strings unstr - dump strings in pointer order
strings - print the strings of printable characters in files.
strip - Discard symbols from object files.
stty - change and print terminal line settings
su - change user ID or become superuser
sudo - edit execute a command as another user
sudoedit - execute a command as another user
sudoreplay - replay sudo session logs
sulogin - Single-user login
sum - checksum and count the blocks in a file
svlc - , nvlc, rvlc, cvlc the VLC media player
swaplabel - print or change the label or UUID of a swap area
swapoff - enable/disable devices and files for paging and swapping
swapon - , swapoff enable/disable devices and files for paging and swapping
switch_root - switch to another filesystem as the root of the mount tree
synaptic - graphical management of software packages
sync - flush file system buffers
synclient - commandline utility to query and modify Synaptics driver options.
synctex - command line client tool to support the Synchronize TeXnology available in recent TeX engines.
syndaemon - a program that monitors keyboard activity and disables the touchpad when the keyboard is being used.
sysctl - configure kernel parameters at runtime
syslinux - install the SYSLINUX bootloader on a FAT filesystem
syslinux-legacy - install the SYSLINUX bootloader on a FAT filesystem
syslinux2ansi - converts a syslinux-format screen to pc-ansi
system-config-printer - configure a CUPS server
system-config-printer-applet - print job manager

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