Once you’ve done that, you can dig deeper and learn more commands and use your Mac’s command prompt for more complex, as well as some fun, tasks. In order to use it, however, you’ll need to get to grips with its basic commands and functions. There are several advantages to using Terminal to accomplish some tasks - it’s usually quicker, for example. Terminal is a Mac command line interface.
Why would you want to do that? Well, perhaps because you’re used to working on a command line in a Unix-based system and prefer to work that way. The Terminal app allows you to control your Mac using a command prompt.