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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.

What's your favorite Linux kernel release?

Run and compile your programs more efficiently with this handy automation tool.
9 flowchart and diagramming tools for Linux

Which open source flowchart tool is the best option for you?

Learn how to make your first kernel contribution, and what you should know before getting started.
Woman sitting in front of her computer

Middle school students learn how to make "broken" computers useful again with Linux and open source...
penguin on ice, blue background

The Linux kernel turns another year older on August 25.

With so many great open source options to choose from, it's worth taking the time to find one that...
Browser window with birthday hats and a cake

On GNOME's 21st birthday, we highlight some of the features we enjoy the most.