Git Learning Hub
VCS fundamentals, Git basics, setup commands, and a full quick-reference cheat sheet.
VCS intro · git init · Cheat Sheet
The three-state workflow, branching, merging, push/pull, remotes, stash, and rebase.
Branches · Merging · Push/Pull · Remotes
git log, commit IDs, going back in time, reset, revert, and recovering with reflog.
git log · reset · revert · reflog