That’s how to run a Python script in terminal or CMD. It’s a very straightforward process, but it’s extremely handy if you ever want to quickly carry out a bespoke task.

How to Execute a File in a MacBook Terminal. The operating system your MacBook runs, OS X, is built on top of UNIX, and Terminal provides you with access to the underlying UNIX system commands.

The result is PaperTTY, a Python program that allows the user to open up a fully functional Linux virtual terminal on an e-ink display. Of course, there are some caveats.