Permissions have two parts: an action and a set of users. The three actions—read, write, and execute—define what can be done to a file, while the user sets define who can do it.

The Linux comm command makes it easy to compare a couple text files and determine if they both contain the same lines -- whether the file contents are sorted or not. The comm command on Linux systems ...

In the realm of Linux command-line tools, few commands are as versatile and widely used as cat. This article dives deep into the capabilities of the Linux cat command, merging insights from multiple ...

The ncdu command provides a convenient way to review files and the disk space being used on Linux systems, but the file sizes may appear a little strange at first. The ncdu command provides a fast and ...

The command line is a powerful tool for Linux users, offering a range of capabilities beyond traditional graphical interfaces. In this article, we will explore two essential command line ...

One of the best things about Linux is that it offers several ways of handling every task. Everything you do in Linux will have an alternative method, from the simplest to the most complex. But don't ...

Back in the early days of Linux, things were exponentially more complicated. The distributions were far less mature and required a particular system account to get things done. That account was root - ...