How to Use the Linux Command Line Interface (CLI)
Command Line Basics - The following videos are provided by Drupalize.Me and are highly recommended for learning about the Linux Command Line. (Start the video and click the YouTube viewing option to see the entire playlist.)
Note: These videos are targeted at users of Drupal sites hosted on web servers not users of HPC clusters. However, the concepts are the same and the training delivery is well-done.
The following text-based tutorials provided by The Linux Information Project will help you get a quick start at using the most common CLI commands: