I didn't understand how to interact with anything using Mercury OS. One of the first things I'll do today will be opening a terminal, git pull, then edit some f

I didn't understand how to interact with anything using Mercury OS. One of the first things I'll do today will be opening a terminal, git pull, then edit some files in my editor, start a Vagrant VM with Django, check the result. Nothing of what I saw on this site gives me an idea of how to do it.