Much to the chagrin of those who would like to malign the Linux operating system, it's actually quite easy to use. Thanks to modern GUI desktop environments and applications, anyone can jump into the ...

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

Most Linux distributions are considerably more secure than Windows out of the box. There are many reasons for that, including the inherent user and file permissions structure, the addition of ...

Before delving into advanced techniques, you should familiarize yourself with the command line or Terminal, Linux's powerful tool. Here, you can perform tasks by typing a sequence of commands. While ...

This guide explains top 10 dangerous Linux commands in simple terms. Learn why they are risky and how beginners should think ...

Linux is constantly evolving, and with it the tools that its fans use on a daily basis. However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...

There's a lot to learn about image files on the command line, from verifying file format to finding out where and when photos were taken and maybe even getting an unusual view of what they look like.

Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...