Starting with Git: Cheat Sheet
While it’s true that I don’t exactly love git, I do use it extensively and lead an increasingly active open source project that uses it. Like everything else it is just a tool and everything is fairly easy when you know how. So this article is the cheat sheet I wish I’d had when I made the transition myself.
Article: http://lornajane.net/posts/2012/git-cheat-sheet (republished here after the original host went offline)