Portal:Linux Commands

From Linux Config Wiki

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

• alias - create names or abbreviations for commands
• apropos - search the manual page names and descriptions
• at - examine or delete jobs for later execution

B

• bc - an arbitrary precision calculator language

C

• cal - displays a calendar
• cat - concatenate files and print on the standard output
• cd - change directory
• cfdisk - partitioning tool for Linux
• chgrp - change group ownership
• chmod - change file access permissions
• chown - change file owner and group
• cksum - checksum and count the bytes in a file
• cp - copy files and directories
• csplit - split a file into sections determined by context lines

D

• date - print or set the system date and time
• dd - convert and copy a file
• du - estimate file space usage

E

• egrep - print lines matching a pattern
• export - set an environment variable

F

• fgrep - print lines matching a pattern
• find - search for files in a directory hierarchy
• fold - wrap each input line to fit in specified width

G

• grep - print lines matching a pattern

H

• head - output the first part of files

I

J

• join - join lines of two files on a common field

K

L

• logrotate - rotates, compresses, and mails system logs
• ls - list directory contents

M

• mkdir - make directories
• mv - move (rename) files
• mount - mount a file system

N

• nl - number lines of files

O

• od - dump files in octal and other formats

P

• pwd - print name of current/working directory

Q

R

• rgrep - print lines matching a pattern
• rm - remove files or directories

S

• scp - secure copy (remote file copy program)
• ssh - OpenSSH SSH client (remote login program)

T

• tail - output the last part of files
• tar - The GNU version of the tar archiving utility
• tee - read from standard input and write to standard output and files
• time - run programs and summarize system resource usage
• touch - change file timestamps

U

• uname - print system information
• uniq - report or omit repeated lines
• useradd - create a new user or update default new user information
• usermod - modify a user account

V

• vi / vim - text editor

W

• watch - execute a program periodically, showing output fullscreen
• wc - print newline, word, and byte counts for each file
• whoami - print effective userid
• whois - client for the whois directory service

X

Y

• yes - output a string repeatedly until killed

Z