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Git & GitHub

Learn version control: save every change to your code and collaborate with a team.

All (19) Beginner (9) Intermediate (6) Advanced (4)

🌱 Beginner 9 lessons

Start here. No experience needed.

Lesson 1

What Is Git and Why Do You Need It?

Understand what Git is, how commits work like save points in a game, how Git differs from GitHub, and the thre...

Beginner 10 min

Lesson 2

Installing Git and Setting It Up for the First Time

Install Git on Windows, Mac or Linux, set your name and email with git config, and learn the few terminal comm...

Beginner 10 min

Lesson 3

Your First Repository: init, status, add and commit

Create your first Git repository, check it with git status, stage files with git add, save snapshots with git ...

Beginner 11 min

Lesson 4

Seeing History: git log, git diff and git show

Read your project history with git log, see exactly what changed with git diff and git diff --staged, and open...

Beginner 11 min

Lesson 5

Undoing Mistakes Safely: restore, reset, revert and amend

Learn which Git undo to use for each mistake: git restore for files, git commit --amend for the last commit, g...

Beginner 11 min

Lesson 6

.gitignore: Keeping Secret and Junk Files Out of Git

Learn to write a .gitignore file that keeps passwords, node_modules, system files and other junk out of your r...

Beginner 12 min

Lesson 7

Creating Your GitHub Account and First Repository

Create a professional GitHub account, protect it with two-factor authentication, create your first repository ...

Beginner 10 min

Lesson 8

Push, Pull and Clone: Syncing Your Code with GitHub

Connect your project to GitHub, push your commits, clone a repository on another computer and pull your teamma...

Beginner 10 min

Lesson 9

Writing a Great README with Markdown

Learn Markdown basics and write a clear README for your GitHub project, with a ready template, badges, a profi...

Beginner 11 min

⚙️ Intermediate 6 lessons

You know the basics. Build real skills.

Lesson 10

Branches: Working on New Features Safely

Learn what a Git branch really is, create and switch branches with git switch, name them clearly and keep main...

Intermediate 11 min

Lesson 11

Merging Branches and Fixing Merge Conflicts

Merge branches with git merge, understand fast-forward and merge commits, and fix merge conflicts calmly in th...

Intermediate 12 min

Lesson 12

Working with Remotes: fetch, pull and Tracking Branches

Understand origin and origin/main, the difference between git fetch and git pull, tracking branches, ahead and...

Intermediate 11 min

Lesson 13

Pull Requests and Code Review on GitHub

Open your first pull request on GitHub, write a clear description, review code kindly, push fixes, choose a me...

Intermediate 11 min

Lesson 14

Forks and Your First Open-Source Contribution

Learn the difference between fork, clone and branch, follow the complete fork workflow with an upstream remote...

Intermediate 11 min

Lesson 15

Deploy Your Website Free with GitHub Pages

Publish your HTML and CSS website for free with GitHub Pages, get a public link you can share, update it with ...

Intermediate 12 min

🚀 Advanced 4 lessons

Go deeper, write professional code and build projects.

Lesson 16

Rebase and Clean History: rebase, Interactive Rebase and Squash

Learn how git rebase replays your commits on a new base, when to choose rebase or merge, and how to clean up m...

Advanced 12 min

Lesson 17

Stash, Cherry-pick and Tags: Handy Git Tools

Save half-done work with git stash, copy a single fix to another branch with git cherry-pick, and mark a relea...

Advanced 12 min

Lesson 18

GitHub Actions: Automating Checks for Your Project

Write your first GitHub Actions workflow that checks every HTML page on each push and pull request, read the l...

Advanced 12 min

Lesson 19

Project: Build the Fest Website as a Team with Git and GitHub

Build a college fest website as a team: set up a shared repository, plan work with issues, use feature branche...

Advanced 15 min 🔨 Project