Comandos de Bash

alias Create an alias apropos Search Help manual pages (man -k)
awk Find and Replace text, database sort/validate/index
break Exit from a loop
builtin Run a shell builtin bzip2 Compress or decompress named file(s)
cal Display a calendar
case Conditionally perform a command
cat Display the contents of a file
cd Change Directory
cfdisk Partition table manipulator for Linux
chgrp Change group ownership
chmod cambia los permisos de acceso de ficheros
chown Change file owner and group
chroot Run a command with a different root directory
cksum Print CRC checksum and byte counts clear Clear terminal screen
cmp Compare two files
comm Compare two sorted files line by line
command Run a command - ignoring shell functions
continue Resume the next iteration of a loop
cp Copy one or more files to another location
cron Daemon to execute scheduled commands
crontab Schedule a command to run at a later time
csplit Split a file into context-determined pieces
cut Divide a file into several parts
date Display or change the date & time
dc Desk Calculator
dd Data Dump - Convert and copy a file
declare Declare variables and give them attributes
df Display free disk space
diff Display the differences between two files
diff3 Show differences among three files
dig DNS lookup
dir Briefly list directory contents
dircolors Colour setup for 'ls'
dirname Convert a full pathname to just a path
dirs Display list of remembered directories
du Estimate file space usage
echo Display message on screen
egrep Search file(s) for lines that match an extended expression eject
enable Enable and disable builtin shell commands
env Environment variables ethtool Ethernet card settings
eval Evaluate several commands/arguments
exec Execute a command exit Exit the shell
expand Convert tabs to spaces
export Set an environment variable
expr Evaluate expressions
false Do nothing, unsuccessfully
fdformat Low-level format a floppy disk
fdisk Partition table manipulator for Linux
fgrep Search file(s) for lines that match a fixed string file Determine file type
find Search for files that meet a desired criteria
fmt Reformat paragraph text
fold Wrap text to fit a specified width
for Expand words, and execute commands
format Format disks or tapes free Display memory usage
fsck File system consistency check and repair ftp File Transfer Protocol
function Define Function Macros
gawk Find and Replace text within file(s)
getopts Parse positional parameters
grep Search file(s) for lines that match a given pattern
groups Print group names a user is in
gzip Compress or decompress named file(s)
hash Remember the full pathname of a name argument
head Output the first part of file(s)
history Command History
hostname Print or set system name
id Print user and group id's
if Conditionally perform a command
ifconfig Configure a network interface
import Capture an X server screen and save the image to file
install Copy files and set attributes
join Join lines on a common field
kill Stop a process from running

killStop a process from running

lessDisplay output one screen at a time
letPerform arithmetic on shell variables
lnMake links between files
localCreate variables
locateFind files
lognamePrint current login name
logoutExit a login shell
lookDisplay lines beginning with a given string
lpcLine printer control program
lprOff line print lprint Print a file lprintd Abort a print job lprintq List the print queue
lprmRemove jobs from the print queue
lsList information about file(s) lsof List open files make Recompile a group of programs

manHelp manual
mkdirCreate new folder(s)
mkfifoMake FIFOs (named pipes) mkisofs Create an hybrid ISO9660/JOLIET/HFS filesystem
mknodMake block or character special files
moreDisplay output one screen at a time
mountMount a file system
mtoolsManipulate MS-DOS files
mvMove or rename files or directories netstat Networking information

niceSet the priority of a command or job
nlNumber lines and write files
nohupRun a command immune to hangups
nslookupQuery Internet name servers interactively

passwdModify a user password
pasteMerge lines of files pathchk Check file name portability
pingTest a network connection
popdRestore the previous value of the current directory
prPrepare files for printing printcap Printer capability database printenv Print environment variables
printfFormat and print data
psProcess status
pushdSave and then change the current directory
pwdPrint Working Directory

quotaDisplay disk usage and limits
quotacheckScan a file system for disk usage
quotactlSet disk quotas
ramram disk device
rcpCopy files between two machines.
readread a line from standard input
readonlyMark variables/functions as readonly remsync Synchronize remote files via email
returnExit a shell function
rmRemove files
rmdirRemove folder(s)
rsyncRemote file copy (Synchronize file trees) screen Terminal window manager scp Secure copy (remote file copy)
sdiffMerge two files interactively
sedStream Editor
selectAccept keyboard input
seqPrint numeric sequences
setManipulate shell variables and functions sftp Secure File Transfer Program
shiftShift positional parameters
shoptShell Options
shutdownShutdown or restart linux
sleepDelay for a specified time
sortSort text files
sourceRun commands from a file `.'
splitSplit a file into fixed-size pieces
sshSecure Shell client (remote login program) strace Trace system calls and signals
suSubstitute user identity
sumPrint a checksum for a file
symlinkMake a new name for a file
syncSynchronize data on disk with memory
tailOutput the last part of files
tarTape ARchiver
teeRedirect output to multiple files
testEvaluate a conditional expression
timeMeasure Program running time
timesUser and system times
touchChange file timestamps
topList processes running on the system
tracerouteTrace Route to Host trap Run a command when a signal is set(bourne)
trTranslate, squeeze, and/or delete characters
trueDo nothing, successfully
tsortTopological sort
ttyPrint filename of terminal on stdin
typeDescribe a command
ulimitLimit user resources
umaskUsers file creation mask umount Unmount a device
unaliasRemove an alias
unamePrint system information
unexpandConvert spaces to tabs
uniqUniquify files
unitsConvert units from one scale to another
unsetRemove variable or function names
unsharUnpack shell archive scripts
untilExecute commands (until error)
useraddCreate new user account
usermodModify user account
usersList users currently logged in
uuencodeEncode a binary file

uudecodeDecode a file created by uuencode v Verbosely list directory contents (`ls -l -b') vdir Verbosely list directory contents (`ls -l -b')
viText Editor
watchExecute/display a program periodically
wcPrint byte, word, and line counts
whereisReport all known instances of a command
whichLocate a program file in the user's path.
whileExecute commands
whoPrint all usernames currently logged in whoami Print the current user id and name (`id -un') Wget Retrieve web pages or files via HTTP, HTTPS or FTP
xargsExecute utility, passing constructed argument list(s)
yesPrint a string until interrupted
.periodRun commands from a file
###Comment / Remark Full List of
Linux Man pages
(SGI) Links to
other Sites, Books etc