01
LESSON 01 · PRESET INCLUDED
Create your first repository
Turn an empty directory into a Git repository.
git initLearn Git by changing Git.
Choose a lesson to open a fresh, prepared sandbox. GitSim highlights one step at a time and checks the repository—not a memorized command sequence.
Start course02
LESSON 02 · PRESET INCLUDED
Working tree and staging
See why Git's index is separate from your files.
git status03
LESSON 03 · PRESET INCLUDED
Your first commit
Create and inspect an immutable snapshot.
git status04
LESSON 04 · PRESET INCLUDED
Branches are movable refs
Create a branch and watch its reference move.
git branch05
LESSON 05 · PRESET INCLUDED
Merge two histories
Practice a true merge commit with two parents.
git log --all06
LESSON 06 · PRESET INCLUDED
Recover with reflog
Find a commit after a destructive-looking reset.
git reflog