Control who can access files, search directories, and run scripts using the Linux's chmod command. This command modifies Linux file permissions, which look complicated at first glance but are actually ...

Permissions have two parts: an action and a set of users. The three actions—read, write, and execute—define what can be done ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

You are not alone. In fact, I was pretty confused by file permissions for a long time, but it’s actually very simple! Here’s why you should care, and how to understand the permissions that keep your ...

To get started as a Linux (or Unix) user, you need to have a good perspective on how Linux works and a handle on some of the most basic commands. This first post in a “getting started” series examines ...

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 ...