Guide: Save Your Code Revision Forever with Git

For the Git Challenges you just have to follow the instructions closely. From how to create your c9 account to completing the tutorial.

For that you will need git-it to go to the challenges, and git-it verify to check that you completed it correctly. For detailed instructions read them here: http://jlord.us/git-it/index.html

After you learn how to use git, here are other resources to help you learn more about git: