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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.

Truck steering wheel and dash

What technology runs on Linux? You might be astonished to know just how often you use Linux in your daily life.
Terminal command prompt on orange background

Your terminal has plenty of options that allow you to theme what you see.
5 pengiuns floating on iceburg

Chmod, which sets read, write, and execute permissions, is one of the most important Linux security commands.
Hand putting a Linux file folder into a drawer

Learn how to change a file or directory's ownership with chown.

It's been 28 years since the first Linux kernel was conceived. There have been several releases since 1991, so what's your favorite? Take our poll.
and old computer and a new computer, representing migration to new software or hardware

You don't have to compile the Linux kernel but you can with this quick tutorial.
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Want to know what the actual (not buzzword) innovations are when it comes to the Linux kernel? Read on.
arrows cycle symbol for failing faster

The Continuous Kernel Integration (CKI) project aims to prevent bugs from entering the Linux kernel.