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How to Use the mkfs Command on Linux

You must create a file system before you can use any data storage device connected to a Linux computer. Learn how to use mkfs and other utilities to do just that for all sorts of file systems. We show you how....

How to Work with Variables in Bash

Variables are vital if you want to write scripts and understand what that code you’re about to cut and paste from the web will do to your Linux computer. We’ll get you started!

How to Use the finger Command on Linux

Knowing who is using your Linux or Unix-like system is a fundamental part of managing it. Pointing at someone might be considered rude, but using your finger can still be enlightening.

How to Use the chgrp Command on Linux

The chgrp command on Linux changes the group ownership of a file or directory. Why use it instead of chown ? Sometimes a Swiss Army knife is great, but when you really need a scalpel, only a scalpel will do....

How to Use Pipes on Linux

Use Linux pipes to choreograph how command-line utilities collaborate. Simplify complex processes and boost your productivity by harnessing a collection of standalone commands and turning them into a single-minded team. We sh...

How to Use the chmod Command on Linux

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 pretty simple once...

How to Add a GUI to Linux Shell Scripts

You can use GUI windows, sliders, radio buttons, progress bars, and more in your Bash scripts. Learn how to use the zenity toolkit and give your Bash scripts a facelift. We’ll show you how.

How to Use the xargs Command on Linux

Need to string some Linux commands together, but one of them doesn’t accept piped input? xargs can take the output from one command and send it to another command as parameters.

How to Use the rev Command on Linux

Linux’s rev command reverses strings of text. This command can operate either on provided text or a file, and it seems deceptively simple. But like many command-line utilities, its real power becomes apparent when you ...

How to Set Up Remote Desktop on Ubuntu

Need to get your hands on a distant Ubuntu Linux computer? Set up Ubuntu’s Screen Sharing and take remote control when you need to. You can connect to Screen Sharing with any VNC client. We’ll show you how....

How to Use the look Command on Linux

The Linux look command races through a file and lists all the lines that begin with a particular word or phrase. But watch out! It behaves differently on different Linux distributions. This tutorial will show you how to use i...
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