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.

I write a simple .c file for the program and using the g++ compiler in terminal I compile the file, but how do I run the file to actually try it out and see it run.

You can use Nuitka to compile Python programs to standalone executables, then redistribute them without the Python runtime.