Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux. There are a number of ways to view ...

Linux runs on hardware as diverse as the Raspberry Pi and powerful supercomputers, making it a flexible choice of operating system. Linux can be used via a graphical user interface similar to Windows ...

What a Linux root user can do - and 8 ways you should absolutely never use it ...

This select set of Linux commands can help you master the command line and speed up your use of the operating system. When coming up to speed as a Linux user, it helps to have a cheat sheet that can ...

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 ...

How to ensure all new user home directories are created without world-readable permissions in Linux Your email has been sent Out of the box, standard users can view other user's home directory. Here's ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...