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$ git push origin master  \end{lstlisting}  We first specify the remote repository, "origin", followed by the name of "origin".  Second, we tell Git to push to  the branch name "master".  Branches are parallel versions "master" copy  of the code, but repository -  we will not cover them in depth won’t go into other options  in this tutorial (Box 2).  As we have seen, we can already accomplish a lot when only using one branch. tutorial, but Box 2 discusses them briefly.  Pushing to GitHub also has the added benefit of backing up your code in case anything were to happen to your computer.  Also, it can be used to sync your code across multiple machines, similar to a service like Dropbox, but with the added capabilities of Git.