To do so, open your favorite text editor or IDE and create a new file, e.g., terminal_size.py. Copy one of the example code snippets provided above and paste it into the file. Open your terminal and ...

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.

To do that, open a terminal window on your Linux machine and issue the command: ... Save and close the file. How to run a Python app. Now we can run our app, using the python3 command like so: ...

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.