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

The power of working on the Linux command line is evidenced nearly as much by the available operators as it is by the awesome collection of available commands. This post gives details and provides ...

Of all the Linux commands, rm is notorious. It's easy to completely wipe out your system with one mislaid rm command as root.

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

Learn how to record terminal sessions on Linux using Asciinema and convert them into clean animated GIFs for READMEs and ...