Git & Version Control

A free, from-zero course in everyday local Git: repositories, commits, branches, and merging — plus the model underneath the commands, one small concept at a time. No prerequisites.

Course content

1. 1. What Is Version Control, and Why Git?
2. 2. Glossary
3. 3. Your First Repository
4. 4. The Three Trees
5. 5. Making Your First Commit
6. 6. What a Commit Actually Is
7. 7. Tracking Changes: status and diff
8. 8. Ignoring Files with .gitignore
9. 9. Branches Are Pointers
10. 10. Creating and Switching Branches
11. 11. The Commit History as a DAG
12. 12. Merging Branches
13. 13. Resolving a Merge Conflict
14. 14. Undoing Local Changes
15. 15. Capstone: A Small Project History