File permissions make it possible for you to allow or prevent other users from viewing files on your Linux-powered computer. Here's a simpler way of setting up file permissions from the command line.

Learn the basics of directory management in Linux using the command line tool.

In Mac OS and Linux, you open the terminal (hit command+space on Mac and type “terminal”). Here, you’ll use the pwd command in order to change directory.

If you're new to Linux administration, Jack Wallen shows you a skill you'll definitely need to have--creating directories from the command line interface.