TLDR and Cheat don't replace man pages; they complement them. They're perfect for day-to-day learning and quick reference ...

If you don't know what the Linux desktop operating system is, or if you're new to it, Jack Wallen's quick explainer will get you up to speed. Linux. What is it? At one point in time it was a niche ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...