Those are the 6 commands that will turn you from a beginner to a badass in the Linux terminal. From here you can interact with your system in a different way that only a true Linux ninja can ...

Having issues in Linux? These commands can help you get to the bottom of them.

Whether you want to learn Linux command line basics or advanced skills, these Coursera classes have you covered.

The eval command allows you to run the contents of variables as commands and can be very useful -- especially in scripts.

Linux provides a number of easy ways to move back and forth on the command line, make minor changes, and execute the altered command.