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.

While you can manually enter the commands to edit files in Terminal editors, in OS X you can set up a service to open files in a desired terminal editor from the Finder's contextual menu.

This post will show you how to open CSV files in Python using the CSV module. You'll also learn another method + how to write CSV files!