Linux, Git-GitHub Cheat Sheet 🚀🐧🎉

Linux Cheat Sheet🐧:

Basic Commands

• pwd: Print working directory

• ls: List files and directories in the present working Directory

• cd: Change directory

  • cd ..: Move up one directory

• mkdir: Create a new directory

• touch: Create an empty file

• cp: Copy files/directories

• mv: Move or rename files/directories

• rm: Remove files/directories

  • rm -r: Remove recursively (for directories)

File Operation Commands

• cat: Display file contents

• head/tail: Display the beginning/end of a file

• grep: Search for a pattern in files

  • grep -r: Search recursively in directories

File Permission Commands

• r: Read Permission

• w: Write Permission

• x: Execute Permission

• chown: Command to change the owner of a file.

• chgrp: Command to change the group ownership of a file.

Package Management:

• apt :

  • apt update: Update package list

  • apt upgrade: Upgrade installed packages

  • apt install: Install a package

  • apt remove: Remove a package

System Information:

• uname -a: Display system information

• uname -r: It shows a version of the kernel

• df -h: Display disk space usage

• free -m: Display free and used memory

Process Management:

• ps: Display information about processes

• kill: Terminate a process

  • kill -9: Forcefully terminate a process

Text Editor

vim: Text editors

Git/GitHub Cheat Sheet:

Basic Commands:

• git init: Initialize a new Git repository

• git clone: Clone a repository

• git status: Show the status of changes

• git add: Add changes to the staging area

• git commit: Commit changes

  • git commit -m "Commit message"

Branching:

• git branch: List branches

• git checkout: Switch branches

  • git checkout -b: Create and switch to a new branch

• git merge: Merge branches

Remote Repositories (GitHub):

• git remote add origin: Add a remote repository

• git push: Push changes to a remote repository

  • git push -u origin branch-name

• git pull: Pull changes from a remote repository

Configuration:

• git config: Configure Git settings.

  • --global user.name: Set username.

  • --global user.email: Set email.

  • --global core.editor: Set default text editor.

Undoing Changes:

• git log: View commit history

• git reset: Reset the staging area

• git revert: Create a new commit that undoes changes

Logging and History:

• git log: Display commit history.

  • git log --oneline: Show concise log.