Fedora Scientific includes several popular version control software.
Pro Git by Scott Chacon is a freely available online book that should get you started with Git (in case you are not familiar with it) and also be a handy reference after you are familiar with the basics.
Other documentation including the man pages are listed here.
The Git user mailing list is an active community where you can ask your queries if you get stuck.
The user mailing list is here.