Jump to content

Comenzi Bash


Recommended Posts

Salut aici va voi arata comenzile bash pe linux,




Un index A-Z al liniei de comanda Bash pentru sistemele care se comporta intr-o maniera similara Unix (UNIX-like).




alias  – Creaza un alias

apropos – Cauta in paginile manualului Ajutor (man -k)

apt-get – Cauta si instaleaza pachete software (Debian)

aspell – Verificator ortografic

awk – Cautare şi inlocuire text, baza de date sorteaza/valideaza/indexeaza



bash – GNU Bourne-Again SHell

bc – Calculator

bg – Trimite proces in fundal

break – Iesirea dintr-o bucla.

builtin – Ruleaza un terminal incorporat

bzip2 – Comprima sau decomprima fisire/fisiere.



cal – Afiseaza un calendar

case – Executa conditional o comanda

cat – Afiseaza continutul unui fisier

cd – Schimba directorul

cfdisk – Manipuleaza  tabela cu partitii pentru Linux

chgrp – Schimba  apartenenta grupului

chmod – Schimba permisiunile de acces

chown – Schimba detinatorul si grupul fisierului

chroot – Executa o comanda cu un director de baza diferit

chkconfig – Serviciile de sistem (runlevel)

cksum – Printeaza suma de control CRC si suma octetilor

clear – Sterge  ecranul terminalului

cmp – Compara doua fisiere

comm Compara doua fisiere sortate linie cu linie

command Executa o comanda – ignorand functiile shell-ului

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 Convert and copy a file, write disk headers, boot records

ddrescue Data recovery tool

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 director

dmesg    Print kernel & driver messages

du       Estimate file space usage



echo     Display message on screen

egrep    Search file(s) for lines that match an extended expression

eject    Eject removable media

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

expect   Automate arbitrary applications accessed over a terminal

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

fg       Send job to foreground

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

fuser    Identify/kill the process that is accessing a file



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

ifdown   Stop a network interface

ifup     Start a network interface up

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

killall  Kill processes by name



less     Display output one screen at a time

let      Perform arithmetic on shell variables

ln       Make links between files

local    Create variables

locate   Find files

logname  Print current login name

logout   Exit a login shell

look     Display lines beginning with a given string

lpc      Line printer control program

lpr      Off line print

lprint   Print a file

lprintd  Abort a print job

lprintq  List the print queue

lprm     Remove jobs from the print queue

ls       List information about file(s)

lsof     List open files



make     Recompile a group of programs

man      Help manual

mkdir    Create new folder(s)

mkfifo   Make FIFOs (named pipes)

mkisofs  Create an hybrid ISO9660/JOLIET/HFS filesystem

mknod    Make block or character special files

more     Display output one screen at a time

mount    Mount a file system

mtools   Manipulate MS-DOS files

mv       Move or rename files or directories

mmv      Mass Move and rename (files)



netstat  Networking information

nice     Set the priority of a command or job

nl       Number lines and write files

nohup    Run a command immune to hangups

nslookup Query Internet name servers interactively



open     Open a file in its default application

op       Operator access



passwd   Modify a user password

paste    Merge lines of files

pathchk  Check file name portability

ping     Test a network connection

pkill    Stop processes from running

popd     Restore the previous value of the current directory

pr       Prepare files for printing

printcap Printer capability database

printenv Print environment variables

printf   Format and print data

ps       Process status

pushd    Save and then change the current directory

pwd      Print Working Directory



quota    Display disk usage and limits

quotacheck Scan a file system for disk usage

quotactl Set disk quotas



ram      ram disk device

rcp      Copy files between two machines

read     read a line from standard input

readonly Mark variables/functions as readonly

reboot   Reboot the system

renice   Alter priority of running processes

remsync  Synchronize remote files via email

return   Exit a shell function

rev      Reverse lines of a file

rm       Remove files

rmdir    Remove folder(s)

rsync    Remote file copy (Synchronize file trees)



screen   Multiplex terminal, run remote shells via ssh

scp      Secure copy (remote file copy)

sdiff    Merge two files interactively

sed      Stream Editor

select   Accept keyboard input

seq      Print numeric sequences

set      Manipulate shell variables and functions

sftp     Secure File Transfer Program

shift    Shift positional parameters

shopt    Shell Options

shutdown Shutdown or restart linux

sleep    Delay for a specified time

slocate  Find files

sort     Sort text files

source   Run commands from a file `.’

split    Split a file into fixed-size pieces

ssh      Secure Shell client (remote login program)

strace   Trace system calls and signals

su       Substitute user identity

sudo     Execute a command as another user

sum      Print a checksum for a file

symlink  Make a new name for a file

sync     Synchronize data on disk with memory



tail     Output the last part of files

tar      Tape ARchiver

tee      Redirect output to multiple files

test     Evaluate a conditional expression

time     Measure Program running time

times    User and system times

touch    Change file timestamps

top      List processes running on the system

traceroute Trace Route to Host

trap     Run a command when a signal is set(bourne)

tr       Translate, squeeze, and/or delete characters

true     Do nothing, successfully

tsort    Topological sort

tty      Print filename of terminal on stdin

type     Describe a command



ulimit   Limit user resources

umask    Users file creation mask

umount   Unmount a device

unalias  Remove an alias

uname    Print system information

unexpand Convert spaces to tabs

uniq     Uniquify files

units    Convert units from one scale to another

unset    Remove variable or function names

unshar   Unpack shell archive scripts

until    Execute commands (until error)

useradd  Create new user account

usermod  Modify user account

users    List users currently logged in

uuencode Encode a binary file

uudecode Decode a file created by uuencode



v        Verbosely list directory contents (`ls -l -b’)

vdir     Verbosely list directory contents (`ls -l -b’)

vi       Text Editor

vmstat   Report virtual memory statistics



watch    Execute/display a program periodically

wc       Print byte, word, and line counts

whereis  Report all known instances of a command

which    Locate a program file in the user’s path.

while    Execute commands

who      Print 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

write    Send a message to another user



xargs    Execute utility, passing constructed argument list(s)



yes      Print a string until interrupted

.        Run a command script in the current shell

###      Comment / Remark

  • Like 1
Link to comment
Share on other sites

This topic is now closed to further replies.
  • Create New...