Free course

Git Course

Learn version control from the command line: repositories, commits, branches, merges, remotes, GitHub, and safe ways to recover from mistakes.

5 modules · 42 lessons · No signup

Prerequisites: Shell Commands

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What you'll learn

Track a project with Git, develop work on a branch, share it through GitHub, and undo common mistakes without losing work.

Course contents

  1. Git fundamentals

    Version control, repositories, snapshots, and configuration.

    1. ✓ Why version control
    2. ✓ What Git is
    3. ✓ Install Git
    4. ✓ Configure your Git identity
    5. ✓ Initialize a repository
    6. ✓ Working tree, staging area, and repository
    7. ✓ Check your understanding: Git fundamentals

  2. Your daily Git workflow

    Status, staging, commits, diffs, history, and ignored files.

    1. ✓ Check the repository status
    2. ✓ Stage changes
    3. ✓ Create a commit
    4. ✓ Write useful commit messages
    5. ✓ Inspect differences
    6. ✓ Read the project history
    7. ✓ Ignore generated and private files
    8. ✓ Practice with a small repository

  3. Branches and merges

    Create branches, combine work, and resolve conflicts.

    1. ✓ What a branch is
    2. ✓ Create and switch branches
    3. ✓ Merge a branch
    4. ✓ Fast-forward and merge commits
    5. ✓ Resolve a merge conflict
    6. ✓ Git, detached HEAD
    7. ✓ Delete a finished branch
    8. ✓ Check your understanding: branches and merges

  4. Undoing and recovery

    Unstage, restore, amend, revert, and recover safely.

    1. ✓ Unstage a file
    2. ✓ Discard working changes carefully
    3. ✓ Git, what if you forgot to add a file to a commit?
    4. ✓ Amend the last local commit
    5. ✓ Revert a shared commit
    6. ✓ Understand reset before using it
    7. ✓ git reflog: how to recover lost commits
    8. ✓ I posted my password / API key on GitHub
    9. ✓ Check your understanding: undoing things

  5. Remotes and GitHub

    Clone, fetch, pull, push, forks, and pull requests.

    1. ✓ What a remote is
    2. ✓ Clone a repository
    3. ✓ How to add a Git remote
    4. ✓ Fetch and pull changes
    5. ✓ Push a branch
    6. ✓ Authenticate with SSH
    7. ✓ A developer's introduction to GitHub
    8. ✓ Forks and pull requests
    9. ✓ Publish a small project
    10. ✓ Check your understanding: remotes and GitHub