I know what you're thinking: MacOS is all about user friendliness and GUI apps. Although that may be true, you'd be remiss if you didn't at least know about some of the terminal apps that are available to the OS. These terminal apps are lightweight, reliable, and much easier to use than you might think. Sure, you have to type as opposed to point and click, but once you understand how these tools work, you might find them more efficient than their GUI counterparts. Also: 6...