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

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

There are a number of Linux commands that will display file system types along with the file system names, mount points and such. Some will also display sizes and available disk space. The df command ...

I always assumed Linux multitasking meant opening terminals and multiple apps side by side, but that was only part of it. Real multitasking isn’t about quantity, but clarity. It’s seamlessly shifting ...

If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

Devices can be character devices (like keyboards and serial ports), block devices (such as hard disks and USB devices), network devices and virtual devices. On Linux systems, devices are represented ...

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