Theflip

Commands in Linux

alias Create an alias •

apropos Search Help manual pages (man -k)

apt-get Search for and install software packages (Debian/Ubuntu)

aptitude Search for and install software packages (Debian/Ubuntu)

aspell Spell Checker

awk Find and Replace text, database sort/validate/index

b

basename Strip directory and suffix from filenames

bash GNU Bourne-Again Shell

bc Arbitrary precision calculator language

bg Send to background

break Exit from a loop .

builtin Run a shell built-in

bzip2 Compress or decompress named file(s)

c

cal Display a calendar

case Conditionally perform a command

cat Concatenate and print (display) the content of files

cd Change Directory

cfdisk Partition table manipulator for Linux

chgrp Change group ownership

chmod Change access permissions

chown Change file owner and group

chroot Run a command with a different root directory

chkconfig System services (runlevel)

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

d

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...