Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She lives in the mountains in Virginia where, when not working with or writing ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

How the true and false commands work, and how to put them to use on the command line and in scripts. True and false are common concepts in all forms of computing. They’re critical to Boolean logic ...

A logic flaw between Ubuntu's 'command-not-found' package suggestion system and the snap package repository could enable attackers to promote malicious Linux packages to unsuspecting users. The ...