ls is a command that you will find yourself using very often. Its function is to show you the contents of a directory, but it doesn’t end there. Just being able to view a directories content is very useful, but viewing specifically what you want the way you want to see it is even better. By manipulating ls’s output with a few short options you are able to see specifically what you want, and if that is everything you can do that as-well. For a walkthrough of some of ls’s coolest features click here.