The terminal is approachable and can be fun—practice shortcuts to make it your go-to over a GUI. Learn history, !!, Ctrl+R, tab completion, pwd, and cursor shortcuts to edit and reuse commands fast.

Linux systems administrators are responsible for maintaining, developing and supporting the open-source operating system. Job responsibilities also include patching, securing and training others on ...

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 ...