Jack Wallen walks you through creating new users and groups on Linux and adding those new users to the new groups.

Here's a quick guide to adding users and groups, and then how to add users to groups, all from the command line on the Linux platform.

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.

Did you know that Linux makes it easy to create and use hidden files, which means you can easily tuck important documents away from plain sight? Here's how to manage those files.