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.

Linux users no longer have to rely solely on command-line tools to connect to NordVPN. The company has rolled out a full graphical user interface that makes it easier to connect, tweak settings ...

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.