LinuxCommand

Learning the shell

Writing shell scripts

Script library

SuperMan pages

Who, What, Where, Why

SuperMan Pages: s

Command Description Package
sa1

Collect and store binary data in the system activity daily data file

sysstat

sa2

Write a daily report in the /var/log/sa directory

sysstat

sa

summarizes accounting information

psacct

sadc

System activity data collector

sysstat

saned

SANE network daemon

sane-backends

sar

Collect, report, or save system activity information

sysstat

sash

stand-alone shell with built-in commands

sash

sasldblistusers

list users in sasldb

cyrus-sasl

saslpasswd

set a user's sasl password

cyrus-sasl

sballs

draws balls spinning like crazy in GL

xscreensaver

sbigtopgm

convert an SBIG CCDOPS file into a portable graymap

netpbm-progs

scanadf

acquire multiple images from a scanner equipped with an ADF

sane-frontends

scan

produce a one line per message scan listing

nmh

scanimage

scan an image

sane-backends

scanlogs

summarize INN log files

inn

scanpci

scan/probe PCI buses

XFree86

scantv

scan a v4l device for TV stations

xawtv

scp

secure copy (remote file copy program)

openssh

screen

screen manager with VT100/ANSI terminal emulation

screen

script

make typescript of terminal session

util-linux

scsitape

control SCSI tape devices

mtx

sdiff

find differences between two files and merge interactively

diffutils

sed

a Stream EDitor

sed

send

send a message

nmh

sendfax

send group 3 fax files (G3 files) with a class 2 faxmodem

mgetty-sendfax

sendfiles

send multiple files via a MIME message

nmh

sendmail

an electronic mail transport agent

postfix

sensors

printing sensors information

lm_sensors

seq

print a sequence of numbers

sh-utils

sessreg

manage utmp/wtmp entries for non-init clients

XFree86

setclock

sets the hardware clock from the system clock

timeconfig

setfacl

set file access control lists

acl

setfattr

set extended attributes of filesystem objects

attr

setfdprm

sets user-provided floppy disk parameters

util-linux

setfont

load EGA/VGA console screen font

kbd

seticons

sets the icon images used in Window Maker

WindowMaker

setkeycodes

load kernel scancode-to-keycode mapping table entries

kbd

setleds

set the keyboard leds

kbd

setmetamode

define the keyboard meta key handling

kbd

setpci

configure PCI devices

pciutils

setpnp

modify Plug and Play BIOS device resources

kernel-pcmcia-cs

setquota

set disk quotas

quota

setserial

get/set Linux serial port information

setserial

setsid

run a program in a new session

util-linux

setstyle

set style related options for Window Maker or loads a theme

WindowMaker

set

bash built-in commands, see bash(1)

bash

setterm

set terminal attributes

util-linux

setxkbmap

set the keyboard using the X Keyboard Extension

XFree86

sfdisk

Partition table manipulator for Linux

util-linux

sftp

Secure file transfer program

openssh-clients

sfxload

load a SoundFont file on the AWE32 sound driver

awesfx

sgi2tiff

create a TIFF file from an SGI image file

libtiff

sgitopnm

convert a SGI image file to a portable anymap

netpbm-progs

sgml2html

create HTML output from a LinuxDoc DTD SGML source file

linuxdoc-tools

sgml2info

create GNU info output from a LinuxDoc DTD SGML source file

linuxdoc-tools

sgml2latex

create LaTeX, DVI, PostScript or PDF output from a LinuxDoc DTD SGML source file

linuxdoc-tools

sgml2lyx

create LyX output from a LinuxDoc DTD SGML source file

linuxdoc-tools

sgml2rtf

create RTF output from a LinuxDoc DTD SGML source file

linuxdoc-tools

sgml2txt

create plain text output from a LinuxDoc DTD SGML source file

linuxdoc-tools

sgmlcheck

check the syntax of an LinuxDoc DTD sgml source file

linuxdoc-tools

sgmldiff

Find differences in the markup of two SGML files

docbook-utils

sgmlpre

handle SGML conditionalization for SGML-tools

linuxdoc-tools

sgmlsasp

translate output of sgmls using ASP replacement files

linuxdoc-tools

shadebobs

oscilating vapor trails

xscreensaver

shar

create shell archives

sharutils

shift

bash built-in commands, see bash(1)

bash

shlock

create lock files for use in shell scripts

inn

shopt

bash built-in commands, see bash(1)

bash

show

show (display) messages

nmh

showfont

font dumper for X font server

XFree86-tools

showkey

examine the codes sent by the keyboard

kbd

showmount

show mount information for an NFS server

nfs-utils

showrgb

uncompile an rgb color-name database

XFree86

showriff

show structure of RIFF files (wav, avi, ...)

xawtv

shred

delete a file securely, first overwriting it to hide its contents

fileutils

shrinkfile

shrink a file on a line boundary

inn

sh

command interpreter (shell)

bash

shutdown

bring the system down

SysVinit

sierpinski3d

3D Sierpinski triangle fractal

xscreensaver

sierpinski

draws Sierpinski triangle fractals

xscreensaver

siggen

signature gathering routine for Tripwire

tripwire

simpleftp

rudimentary ftp client

inn

single2bin

Macintosh file format transformer

netatalk

sirtopnm

convert a Solitaire file into a portable anymap

netpbm-progs

size

list section sizes and total size

binutils

skill

report process status

procps

skkinput

Japanese Input Method on X environment (Ver 2.04)

skkinput

slapadd

Add entries to a SLAPD database

openldap-servers

slapcat

SLAPD database to LDIF utility

openldap-servers

slapd

Stand-alone LDAP Daemon

openldap-servers

slapindex

SLAPD index to LDIF utility

openldap-servers

slappasswd

OpenLDAP password utility

openldap-servers

slattach

attach a network interface to a serial line

net-tools

sldtoppm

convert an AutoCAD slide file into a portable pixmap

netpbm-progs

sleep

delay for a specified amount of time

sh-utils

sliceprint

slice documents with long lines

enscript

slidescreen

permute the screen image like an 8-puzzle

xscreensaver

slip

sucks your screen into a jet engine

xscreensaver

slist

Lists available NetWare Servers

ncpfs

sln

static ln

util-linux

slocal

asynchronously filter and deliver new mail

nmh

slocate

Security Enhanced version of the GNU Locate

slocate

slrn

An easy to use NNTP / spool based newsreader

slrn

slurpd

Standalone LDAP Update Replication Daemon

openldap-servers

smartctl

S.M.A.R.T. control utility

kernel-utils

smartd

S.M.A.R.T. Daemon

kernel-utils

smbcacls

Set or get ACLs on an NT file or directory names

samba-client

smbclient

ftp-like client to access SMB/CIFS resources on servers

samba-client

smbcontrol

send messages to smbd, nmbd or winbindd processes

samba

smbd

server to provide SMB/CIFS services to clients

samba

smbmnt

helper utility for mounting SMB filesystems

samba-client

smbmount

mount an smbfs filesystem

samba-client

smbpasswd

change a user's SMB password

samba-common

smbspool

send print file to an SMB printer

samba-client

smbstatus

report on current Samba connections

samba

smbtar

shell script for backing up SMB/CIFS shares directly to UNIX tape drives

samba-client

smbumount

smbfs umount for normal users

samba-client

smime

S/MIME utility

openssl

smproxy

Session Manager Proxy

XFree86

smrsh

restricted shell for sendmail

sendmail

sm

command line interface to the storage manager

inn

sndconfig

configure sound card for use with Linux kernel modules

sndconfig

snice

report process status

procps

snmpbulkget

communicates with a network entity using SNMP GETBULK Requests

net-snmp-utils

snmpbulkwalk

communicates with a network entity using SNMP BULK Requests

net-snmp-utils

snmpcmd

commands to communicate with a network entity using SNMP Requests

net-snmp-utils

snmpdelta

Monitor deltas of integer valued SNMP variables

net-snmp-utils

snmpdf

gets a listing of disk space usage on a remote machine via SNMP

net-snmp-utils

snmpd

daemon to respond to SNMP request packets

net-snmp

snmpget

communicates with a network entity using SNMP GET Requests

net-snmp-utils

snmpgetnext

communicates with a network entity using SNMP GET NEXT Requests

net-snmp-utils

snmpinform

sends an SNMP trap to a manager

net-snmp-utils

snmpnetstat

show network status using SNMP

net-snmp-utils

snmpset

communicates with a network entity using SNMP SET Requests

net-snmp-utils

snmpstatus

Retrieves important information from a network entity

net-snmp-utils

snmptable

obtain and print an SNMP table

net-snmp-utils

snmptest

communicates with a network entity using SNMP requests

net-snmp-utils

snmptranslate

translate SNMP OID values into more useful information

net-snmp-utils

snmptrap

sends an SNMP trap to a manager

net-snmp-utils

snmptrapd

Receive and log SNMP trap messages

net-snmp

snmpusm

creates and maintains SNMPv3 users on a remote entity

net-snmp-utils

snmpwalk

communicates with a network entity using SNMP GETNEXT requests

net-snmp-utils

socklist

display list of open sockets

procinfo

soelim

interpret .so requests in groff input

groff

sonar

display a sonar scope

xscreensaver

sort

sort lines of text files

textutils

sortm

sort messages

nmh

source

bash built-in commands, see bash(1)

bash

sox

Sound eXchange : universal sound sample translator

sox

soxexam

SoX Examples (CHEAT SHEET)

sox

spamassassin

mail filter to identify spam using text analysis

spamassassin

spamc

client for spamd

spamassassin

spamd

daemonized version of spamassassin

spamassassin

spamproxyd

mail filter to identify spam using text analysis

spamassassin

spctoppm

convert an Atari compressed Spectrum file into a portable pixmap

netpbm-progs

speedmine

simulates speeding down a rocky mineshaft, or a funky dancing worm

xscreensaver

speed

test library performance

openssl

sphere

draws shaded spheres

xscreensaver

spheremonics

3d spherical harmonic shapes

xscreensaver

spiral

draws moving circular spiral patterns

xscreensaver

spkac

SPKAC printing and generating utility

openssl

splain

standalone program to do the same thing

perl

splint

A tool for statically checking C programs

splint

split

split a file into pieces

textutils

splitdiff

separate out incremental patches

patchutils

spotlight

move spotlight around desktop

xscreensaver

spottopgm

convert SPOT satellite images to Portable Greymap format

netpbm-progs

sprof

Read and display shared object profiling data

man-pages

sproingies

Q-Bert meets Marble Madness!

xscreensaver

sputoppm

convert an Atari uncompressed Spectrum file into a portable pixmap

netpbm-progs

squiral

square spirals screensaver

xscreensaver

ssh

OpenSSH SSH client (remote login program)

openssh-clients

sshd

OpenSSH SSH daemon

openssh-server

stairs

Escher's infinite staircase

xscreensaver

star

unique standard tape archiver

star

starfish

radially-symmetric throbbing colormap-hacking graphics demo

xscreensaver

startinnfeed

setuid root program to start innfeed

inn

startx

initialize an X session

XFree86

starwars

draws a perspective text crawl, like at the beginning of the movie

xscreensaver

stat

display file or filesystem status

stat

states

awk alike text processing tool

enscript

statserial

display serial port modem status lines

statserial

stinit

initialize SCSI magnetic tape drives

mt-st

stonerview

3D undulating ribbons of squares

xscreensaver

strace

trace system calls and signals

strace

strange

draws strange attractors

xscreensaver

streamer

record audio and/or video

xawtv

strfile

create a random access file for storing strings

fortune-mod

strings

print the strings of printable characters in files

binutils

strip

Discard symbols from object files

binutils

stty

change and print terminal line settings

sh-utils

stunnel

universal SSL tunnel

stunnel

subtitles

display subtitles within xawtv

xawtv

sudo

execute a command as another user

sudo

suexec

Switch User For Exec

httpd

sum

checksum and count the blocks in a file

textutils

superquadrics

morphing 3d shapes

xscreensaver

suspend

bash built-in commands, see bash(1)

bash

su

run a shell with substitute user and group IDs

sh-utils

swapoff

enable/disable devices and files for paging and swapping

mount

swapon

enable/disable devices and files for paging and swapping

mount

swat

Samba Web Administration Tool

samba-swat

swig

produce scripting language wrapper code from an interface specification file

swig

swirl

draws swirly color-cycling patterns

xscreensaver

switchdesk

graphical and text mode interface for choosing desktop environment

switchdesk

switchto

switch to a new virtual terminal (VT)

open

sx

XMODEM, YMODEM, ZMODEM file send

openjade

sxpm

Show an XPM (X PixMap) file and/or convert XPM 1 or 2 files to XPM 3

XFree86-devel

symlinks

symbolic link maintenance utility

symlinks

sync

flush filesystem buffers

fileutils

sync

synchronize data on disk with memory

fileutils

sysctl

configure kernel parameters at runtime

procps

sysklogd

Linux system logging utilities

sysklogd

sz

XMODEM, YMODEM, ZMODEM file send

lrzsz