How this strange little distro can boost your Linux skills

You might not realize this, but a command-line-only OS like Peropesis has its place, and it can help you in your quest to master Linux.
Linux Journal

Schedule One-Time Commands with the UNIX at Tool

Cron is nice and all, but don't forget about its cousin at. When I first started using Linux, it was like being tossed into the deep end of the UNIX pool. You were expected to use the command line ...
Network World

What is the Linux command line? An introduction

Here are some warm-up exercises for anyone just starting to use the Linux command line. Warning: It can be addictive. If you’re new to Linux or have simply never bothered to explore the command line, ...