The Version Control menu, shown in the following screenshot, provides access to source control integration within Xamarin Studio:
Tip
It's important to note that the operation of several of these functions is context-specific, based on the type of source control provider you're using. For example, Commit Solution has a very different meaning between a Git repo and a Subversion (SVN) repo, and if you're working in an environment that utilizes both Git and Subversion, you had better be certain you know the difference!
For an excellent book on Git, try Git: Version Control for Everyone, Ravishankar Somasundaram, Packt Publishing (http://www.packtpub.com/git-version-control-for-everyone/book).
The Version Control menu has the following options: