Linux Commands Cheat Sheet

Introduction

Welcome to the Linux Command Cheatsheet, a quick reference guide for essential Linux commands. Whether you’re a beginner or an experienced user, this cheatsheet is designed to help you navigate the command line efficiently. Each entry provides a brief description and example usage to assist you in mastering these powerful commands.

Table of Contents

1. File System Navigation

   Command	Description	Example	Further Reference
   cd	Change directory	cd Documents	Official Documentation
   ls	List directory contents	ls -l	GNU Coreutils
   pwd	Print working directory	pwd	GNU Coreutils

2. File Operations

   Command	Description	Example	Further Reference
   cp	Copy files/directories	cp file.txt /path/to/destination	GNU Coreutils
   mv	Move/rename files/directories	mv old.txt new.txt	GNU Coreutils
   rm	Remove/delete files	rm file.txt	GNU Coreutils

3. Directory Operations

   Command	Description	Example	Further Reference
   mkdir	Create a new directory	mkdir my_folder	GNU Coreutils
   rmdir	Remove an empty directory	rmdir empty_folder	GNU Coreutils
   rm -r	Remove a directory and its contents	rm -r my_folder	GNU Coreutils

4. Text File Manipulation

   Command	Description	Example	Further Reference
   cat	Display file contents	cat file.txt	GNU Coreutils
   nano	Text editor for file editing	nano file.txt	GNU Nano Manual
   grep	Search for a pattern in files	grep "pattern" file.txt	GNU Grep Manual

5. User and Permission Management

   Command	Description	Example	Further Reference
   whoami	Display current username	whoami	GNU Coreutils
   chmod	Change file permissions	chmod 755 file.txt	GNU Coreutils
   chown	Change file owner	chown user:group file.txt	GNU Coreutils

6. System Information

   Command	Description	Example	Further Reference
   uname	Display system information	uname -a	GNU Coreutils
   df	Display disk space usage	df -h	GNU Coreutils
   top	Display real-time system statistics	top	Linux Top Command

7. Package Management

   Command	Description	Example	Further Reference
   apt-get	Package management for Debian-based systems	apt-get install package	Debian Apt-get Documentation
   yum	Package management for RPM-based systems	yum install package	Yum Documentation
   pacman	Package management for Arch Linux	pacman -S package	Arch Linux Pacman

8. Network Commands

   Command	Description	Example	Further Reference
   ifconfig	Display network interface information	ifconfig	Linux ifconfig Command
   ping	Test network connectivity	ping google.com	Linux Ping Command
   netstat	Display network statistics	netstat -a	Linux Netstat Command

9. Process Management

   Command	Description	Example	Further Reference
   ps	Display information about active processes	ps aux	Linux ps Command
   kill	Terminate a process	kill -9 PID	Linux Kill Command
   htop	Interactive process viewer	htop	htop Documentation

10. Archiving and Compression

    Command	Description	Example	Further Reference
    tar	Create and extract tar archives	tar -cvf archive.tar files/	GNU Tar Manual
    gzip	Compress or decompress files	gzip file.txt	GNU Gzip Manual
    zip	Create a zip archive	zip archive.zip files/	Info-ZIP Documentation

Feel free to bookmark this cheatsheet for quick access to commonly used Linux commands. Happy coding!