12 Day: Linux & Git-GitHub Cheat Sheet

Here s a cheat sheet for commonly used Linux and Git/GitHub commands:

Linux Cheat Sheet:

1. File and Directory Operations:

   • ls: List files and directories.

   • pwd: Print the working directory.

   • cd: Change directory.

   • mkdir: Create a new directory.

   • touch: Create an empty file.

   • rm: Remove files or directories.

   • cp: Copy files or directories.

   • mv: Move or rename files or directories.

2. File Manipulation:

   • cat: Display the contents of a file.

   • more or less: View file content page by page.

   • head: Display the beginning of a file.

   • tail: Display the end of a file.

   • nano or vim or emacs: Text editors to edit files.

3. File Permissions:

   • chmod: Change file permissions.

   • chown: Change file ownership.

4. Process Management:

   • ps: List running processes.

   • kill: Terminate processes.

   • top or htop: Monitor system resources and processes.

5. Package Management:

   • apt (Debian/Ubuntu) or yum (Fedora/CentOS): Install and manage software packages.

6. Networking:

   • ifconfig or ip: Network configuration.

   • ping: Test network connectivity.

   • ssh: Secure shell for remote access.

   • scp: Securely copy files over SSH.

7. User Management:

   • useradd: Create a new user.

   • passwd: Change user password.

   • su or sudo: Switch users or run commands with superuser privileges.

8. File Compression and Archiving:

   • tar: Archive files.

   • gzip or bzip2: Compress files.

   • zip or unzip: Create or extract ZIP archives.

Git & GitHub Cheat Sheet:

1. Git Basics:

   • git init: Initialize a new Git repository.

   • git clone: Clone a remote repository.

   • git add: Stage changes for commit.

   • git commit: Commit changes.

   • git status: Check the status of the repository.

   • git log: View commit history.

   • git branch: List branches.

   • git checkout: Switch branches or commit versions.

   • git merge: Merge branches.

   • git pull: Fetch and merge changes from a remote repository.

   • git push: Push local changes to a remote repository.

2. GitHub Commands:

   • git remote add origin <repository_url>: Link your local repository to a GitHub repository.

   • git push -u origin <branch_name>: Push your branch to GitHub.

   • Pull requests, issues, and other GitHub-specific actions are typically performed through the GitHub web interface.

3. Git Branching and Merging:

   • git branch <branch_name>: Create a new branch.

   • git checkout -b <branch_name>: Create and switch to a new branch.

   • git merge <branch_name>: Merge a branch into the current branch.

   • git rebase <branch_name>: Rebase the current branch onto another branch.

4. Git Collaboration:

   • git fetch: Retrieve remote changes without merging.

   • git pull: Fetch and merge remote changes.

   • git fetch --all and git pull --all: Fetch and merge from all remote repositories.

   • git clone --recursive: Clone a repository and its submodules.

Remember to replace placeholders like <repository_url> and <branch_name> with the actual values you're working with. This cheat sheet should help you get started with common Linux and Git/GitHub commands.