Back in '70s and early '80s, if you used a computer, you used a command line. DOS -- the disk operating system that runs atop IBM PCs -- used a command line interface, and that's what UNIX used too.

The good news is that there's only one command you must know to manage those passwords from the command line interface (CLI). However, there's a second command I consider essential as well.

Whether you're running Linux on a desktop or a server, backups are essential to keeping your data safe and accessible. These ...

Ok, consider the text editor Pico. If you're in command line Unix/Linux, and you type "pico", suddenly you're presented with a graphical interface (granted, it blows compared to MS Word, etc).