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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.

How to save keystrokes at the command line with alias

Learn how to save some keystrokes (and hassle) by setting up aliases for the commands you often use.
An introduction to the EXT4 filesystem

Take a walk through EXT4's history, features, and optimal use, and learn how it differs from...
An introduction to Libral, a systems management library for Linux

Libral provides a uniform management API across system resources and serves as a solid foundation...
How I got started with Linux

From physics student to the founder of FreeDOS, Jim Hall tells us how it all started with a hobby...
Testing Linux hardware compatibility with USB sticks

Want to select hardware that works with your favorite Linux distribution? Try it out first with USB...
3 Linux questions from the community

Hear three fun Linux questions from the community from The Queue by Jeremy Garcia.
Linux on your Chromebook with GalliumOS

Learn how you could use GalliumOS to "penguinize" a Chromebook.
Using vi-mode at the command line

Get an introduction to using vi-mode for line editing at the command line.