Sudo stands for "superuser do" and gives a user access to administrator-like powers. Here's how to use this powerful tool.

If you're new to Linux, there's a very handy file you'll want to learn about right away. Jack Wallen introduces you to the hosts file and how to add entries to it.

Linux groups allow better control access to files and folders. Here are the five commands you'll want to keep in your back pocket.

Managing files across a remote connection, or sat at your desk, the Linux terminal is the place to be. Learn how one command can be used for two different purposes.