Linux Command Line Cheat Sheet


The Linux command line is the most powerful way to interface with your system, providing you with options and flexibility that may not be available in a GUI. Becoming proficient with the CLI (Command Line Interface) will enable you to do more with your computer. This cheat sheet is designed to provide a reference for users who are new to the command line and if you would like to learn more about a particular command and its usage, users are encouraged to utilise the man command to review the command's manual page e.g. man ls and q to exit.

File Management

Command Description
ls List files and directories.
pwd Print the current working directory.
cd Change directory.
mkdir Create a new directory.
touch Create a new file.
cp Copy files and directories.
mv Move or rename files and directories.
rm Remove files and directories.
cat Display the contents of a file.
less View the contents of a file interactively.
head Display the beginning of a file.
tail Display the end of a file.
Command Description
. Represents the current directory.
.. Represents the parent directory.
- Represents the previous directory.
~ Represents the user's home directory.
Example Description
cd .. Change to parent directory.
ls ~ List files and directories in the home directory.

System Information

Command Description
uname Display system information.
hostname Display the system's hostname.
whoami Display the current user.
date Display the current date and time.
uptime Display system uptime.

Process Management

Command Description
ps Display information about running processes.
top Display dynamic real-time information about running processes.
kill Terminate a process by PID.
killall Terminate all processes by name.

Package Management

Command Description
apt & apt-get Package management utility for Ubuntu/Debian-based systems.
yum Package management utility for Red Hat-based systems.
dnf Package management utility for Fedora-based systems.
snap Package management utility for multiple Linux systems.
flatpak Package management utility for multiple Linux systems.


Command Description
ping Send ICMP echo requests to a network host.
ip Display and configure network interfaces.
ss Display network connections.
wget & curl Retrieve files from the internet.

File Permissions

Command Description
chmod Change file permissions.
chown Change file owner and group.
chgrp Change group ownership of files.

Text Processing

Command Description
grep Search for patterns in files.
sed Used for filtering and transforming text.
awk Pattern scanning and processing tool.

Compression and Archiving

Command Description
tar Create, manipulate, or extract tar archives.
gzip Compress or decompress files using gzip compression.
zip Compress or decompress files using zip compression.


Command Description
echo Print text to the terminal.
clear Clear the terminal screen.
history Display command history.
man Display the manual page for a command.
sudo Execute a command as a superuser (root).


This cheat sheet provides a quick reference for commonly used Linux command line commands. Keep it handy for quick access to essential commands for file management, navigation, system administration, and more. Experiment with these commands in a Linux terminal to enhance your proficiency and productivity on the command line.