Learn Git & GitHub

Explore Git & GitHub through guided programming exercises in your browser. Read each lesson, experiment with code and use progressive hints when you need help.

Continue with the complete course

Create an account to save your progress.
Follow the lessons and complete the interactive exercises.
Review your code using the feedback and hints.

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What you will practise

Master Git and GitHub to track code history and collaborate smoothly with teams. Learn commits, branches, conflict resolution, and the GitHub Flow.

Understand the file lifecycle (Working Tree, Index, Repository).
Create branches, merge changes, and resolve conflicts confidently.
Collaborate on GitHub with Pull Requests, forks, and code reviews.

Before you start: No previous Git experience needed. Basic terminal commands are introduced step by step.

A first example to understand

# Initialiser et créer un premier commit
git init
git add .
git commit -m "feat: initial commit"

git status checks working tree state. git add stages modified files and git commit records a permanent snapshot with a clear message.

Try it: Create a feature branch with 'git switch -c feature-test' and inspect it with 'git branch'.

Frequently Asked Questions — Git & GitHub

Why are Git and GitHub essential for developers?▾

Git tracks code history, enables safe branch collaboration, and prevents data loss with time travel. GitHub hosts remote repositories and standardizes code reviews via Pull Requests.

What is the difference between Git and GitHub?▾

Git is the distributed version control system running locally on your machine. GitHub is the cloud platform hosting remote repositories and enabling teamwork and CI/CD automation.

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