If you ever had to change or manage a user password on Linux, I've got two essential commands you need to know - and how to use them.

Still scared of the command line? Don’t be. These commands are a quicker and easier way to get things done in Linux.

With one command, gpg, you can have that file or folder encrypted so that the only way to decrypt it is with a password. I’ll show you how to use the gpg command to quickly encrypt and decrypt a ...

Sudo stands for "superuser do" and gives a user access to administrator-like powers. Here's how to use this powerful tool.

If you're looking after the security of Linux systems, these are the commands you must know.

Compressing files Linux provides a number of commands for compressing files — a good thing to do when files are fairly large and don’t need to be viewed or modified very often.

Password managers are a necessity to remain secure — even if you're limited to the command line.

When you run a command with sudo in Linux, the terminal prompts you to type in your password—and doesn't give you any visual feedback. Here's a quic ...