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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.

Magnifying glass on code

While systemd is not really a troubleshooting tool, the information in its output points the way toward solving problems.
4 different color terminal windows with code

What's your favorite terminal multiplexer? Take our poll. Then read about how Linux offers plenty of ways for you to split your terminal so you can multitask.
web development and design, desktop and browser

FuryBSD's live desktop environment lets you try it before committing to it.
woman on laptop sitting at the window

Units are the basis of everything in systemd.
People at the start line of a race

systemd's startup provides important clues to help you solve problems when they occur.
Tux with binary code background

These simple commands and tools can help you sail through the task of analyzing binary files.
Bird singing and music notes

How COVID-19 caused me to learn Audacity on the fly and learn to love it.
email or newsletters via inbox and browser

Protect your Linux email services by understanding security certificates.