For many Linux is a mysterious thing that is either dead or about to die because no one uses it. has put together an overview of what Linux is and where to find it being used.  Much of what they describe in the beginning applies to all operating systems as they share similar features, it is only in the details that they differ.  If you have only thought about Linux as that OS that you can't game on then it is worth taking a look through the descriptions of the distributions and why people choose to use Linux.  You may never build a box which runs Linux but if you are considering buying a Steambox when they arrive on the market you will find yourself using a type of Linux and having a basic understanding of the parts of the OS for troubleshooting and optimization.   If you already use Linux then fire up Steam and take a break.

"For those in the know, you understand that Linux is actually everywhere. It’s in your phones, in your cars, in your refrigerators, your Roku devices. It runs most of the Internet, the supercomputers making scientific breakthroughs, and the world’s stock exchanges."

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