Linux is a multi-user operating system. What does that mean? Like all good operating systems, you can have multiple user accounts on one machine. You can also have more than one user logged in at once ...

File permissions are core to almost everything you do on your Linux machine, from viewing a PDF to saving an image and running an app. The core model keeps things simple, but there are quite a few ...

One way to get a little more clarity on this is to look at the permissions with the stat command. The fourth line of stat’s output displays the file permissions both in octal and string format: $ stat ...

While it may seem antiquated in this day and age of modern operating systems, the command line remains the most flexible and powerful way to perform tasks in Linux. The full guide to the Linux command ...