Experimenting With Git

I said something really important on the previous page. It's so important I'll repeat it.

In describing Git's garbage collection algorithm, I said, "Starting from every branch and every tag, Git walks back through the graph, building a list of every commit it can reach." (Emphasis added.)

Everything I've written up to this point has been to provide the background for you to understand this one thing. If I had ten seconds to tell you The Secret Of Git, the entire point of this site, I can fit it into these four words:

References make commits reachable.