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 VI text editor is the most used and popular Linux text editor. You can get it in almost any Linux distribution. There are two modes, Insert and Command. Command mode is used to take the user ...

For decades, Linux users have been renaming files with the mv command. It’s easy, and the command does just what you expect. Yet sometimes you need to rename a large group of files.

In Unix-like operating systems, such OS X or a Linux distribution, every file has an owner account. They also have a special program called the terminal that gives access to the command line and ...

Selecting by field To illustrate how the cut command works, we’ll first run commands using a sample “cities” file that contains details of the largest cities in the US in a tab-separated ...

The first thing you’ll do is log into Linux and then open the necessary file for editing with the command sudo nano /etc/hosts. When prompted, type your sudo password.

How to Edit Text Files in CentOS. CentOS is a free version of the Red Hat Enterprise Linux operating system. It is built from the same source code as Red Hat and is designed to be used in a ...