Pro Git Book :
The Creative Commons licensed freely available online book
Tutorials
Short and Sweet
The Git Reference site is a online git reference built as a tutorial.
The official Git tutorial is a good place to get started.
Everyday Git in 20 commands is good for a useful minimum set of commands.
The SVN Crash Course might be helpful if you're coming from the SVN world.
Longer, More In Depth
Git for Designers – No knowledge of version control? No problem.
Git for Computer Scientists – A quick introduction to git internals for people who are not scared by words like Directed Acyclic Graph.
The Git User's Manual is a comprehensive resource, covering a lot of Git functionality.
Git Magic – An alternative online book with the source online.
Help.GitHub – Guides on a variety of Git and GitHub related topics
Reference
The official and comprehensive reference manual comes as part of the Git package itself
The DZone RefCard is a nice reference to keep handy
Visual Git Cheat Sheet is a one page printable cheat sheet
Books
Videos
 Linus Torvalds visits Google to share his thoughts on git, the source control management system he created two years ago. |
 A one-hour talk by Randal Schwartz describing what Git is, and why it should be used over other revision control systems. |
 Git Tutorial Talk – A recording of an excellent Git tutorial given by Bart Trojanowski for the Ottawa Group of Ruby Enthusiasts. |
