I enjoy helping people become more efficient and productive, particularly when it comes to their computers and mobile devices. However, I had difficulty finding one that explained every step required in order with simple enough instructions for Terminal novices to follow along with autonomously. There are already plenty of guides that explain the particular steps of getting Git and Github going on your mac in detail. While the steps below should still work, I recommend checking out the new guide if you are running 10.9! There is an updated version of this post for OS X 10.9. 19, 2013 Beginner's Setup Guide for Git & Github on Mac OS X