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

You can easily manage printers connected to your company's Ubuntu systems using the CUPS printing server and a Web browser or by using Ubuntu's Printers configuration ...

A simple to follow course, but sadly it isn’t very detailed in places. Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best.