Basic Commands Overview

Command	Description	Package
`base64`	base64 encode/decode data and print to standard output	`coreutils`
`basename`	strip directory and suffix from filenames	`coreutils`
`cat`	concatenate — combine the output of files and print to standard output	`coreutils`
`cd`	Change Directory — navigate directories on the filesystem	built-in
`chmod`	change file mode bits (permissions) for files and directories	`coreutils`
`chown`	change file owner and group	`coreutils`
`clear`	clear the terminal content	`clear`
`cp`	copy files	`coreutils`
`csplit`	split a file into sections determined by context lines	`coreutils`
`dd`	convert and copy a file	`coreutils`
`df`	Disk Free — report overall file system space usage	`coreutils`
`diff`	show differences between two files line by line	`diffutils`
`dirname`	print the directory path if the passed file	`coreutils`
`du`	Disk Usage — show file system usage for a given directory	`coreutils`
`echo`	display a line of text	built-in
`find`	search for files in a given directory	`findutils`
`grep`	search for text	`grep`
`head`	display the first X lines of a file (default 10)	`coreutils`
`history`	print the history of issued commands	built-in
`jobs`	display currently running jobs	built-in
`kill`	terminate a process	`util-linux`
`ls`	list directory contents	`coreutils`
`man`	Manual — display the documentation of a given command	`man`
`mkdir`	create a directory	`coreutils`
`mv`	move (and rename) files	`coreutils`
`ping`	check if a server is reachable	`iputils`
`printenv`	print information about currently set environment variables	`coreutils`
`printf`	format and print data	`coreutils`
`pwd`	Print Working Directory — returns the current working directory	built-in
`rm`	remove files and directories (caution: no undo!)	`coreutils`
`scp`	OpenSSH secure file copy	`openssh`
`sha256sum`	compute and check SHA256 message digest (variants for SHA1, SHA224, SHA384 and SHA512 exist)	`coreutils`
`sort`	sort lines of text files	`coreutils`
`sudo`	Super User Do — execute commands as root	`sudo`
`tail`	display the last X lines of a file (default 10)	`coreutils`
`tar`	archiving utility, compression optional	`tar`
`top`	display Linux processes	`procps-ng`
`touch`	create an empty file	`coreutils`
`uname`	Unix Name — print system information	`coreutils`
`unzip`	list, test and extract compressed files in a ZIP archive	`unzip`
`useradd`	create a new user or update default new user information	`shadow`
`userdel`	delete a user account and related files	`shadow`
`wget`	download files from the internet	`wget`
`zip`	package and compress (archive) files	`zip`