You're already using it. You just don't know it.
Android — the world's most-used mobile OS — is built on the Linux kernel. Over 3 billion active Android devices run Linux every single day.
Around 96% of the world's web servers run Linux. Every time you visit Google, YouTube, Facebook, or Netflix, you're talking to a Linux machine.
The International Space Station switched to Linux in 2013. SpaceX runs Linux on rocket flight computers. Mars rovers have used Linux-based systems too.
100% of the world's top 500 supercomputers run Linux. Every single one. It's the only OS powerful and flexible enough for the job.
Steam Deck — Valve's handheld gaming device — runs on Linux. Thousands of games now run natively through Steam's Proton compatibility layer.
Major banks, stock exchanges, and governments run their critical infrastructure on Linux. Rock-solid stability and security make it the only choice.
Linux isn't one thing — it comes in versions called distributions, or "distros". Each has a different purpose and audience.
The most beginner-friendly distro. Great for people switching from Windows or macOS for the first time.
Cutting-edge features, backed by Red Hat. The go-to for developers who want the latest tech.
For advanced users who want full control. You build it yourself from scratch — and that's the point.
Built for the tiny Raspberry Pi computer. Popular in schools, hobbyist labs, and robotics projects.