To see if it worked correctly, type:

$ ssh -T git@github.com

You'll get a message like this:

$ Hi marvin! You've successfully authenticated, but GitHub does not provide shell access.

Great! Everything is now in place to version and manage our book project (manuscripts).

There is Homebrew to manage software packages, git to keep track of changes and manage versioning of our project and there is Github, a repository where we'll save all our work.

Let's go over and finish installation of Bookiza, next.