Linux

Linux is the best-known and most-used open source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, receiving requests from those programs and relaying these requests to the computer’s hardware. Learn more on our what is Linux resource page.

5 ways to learn C programming on Linux

Download our new eBook for tips and tricks for C programming on Linux and FreeDOS.

Check disk usage in Linux

The du and ncdu commands provide two different views of the same information, making it easy to keep track of what's stored on your computer.

Linux keys on the keyboard for a desktop computer

Use secret keyboard keys on Linux

With a compose key, you're not limited to what's on your keyboard. Download the cheat sheet.

Manage your files in your Linux terminal with ranger

Try this lightweight open source tool to preview files without leaving the terminal.

Linux su vs sudo: what's the difference?

A comparison of Linux commands for escalating privileges for non-root users.

Make a temporary file on Linux with Bash

The mktemp command on Fedora-based systems and tempfile on Debian-based systems are specially designed to alleviate that burden by making it easy to create, use, and remove…

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