Want to see how popular GNU/Linux is? See Linux-Hardware.org, you can find chart showing how many this operating system installed in the world with percentages of distros. Today, it held 100,000 computer hardware collected in this database by contributors world wide and still counting! This article covers using this website as your simple research and hardware buyer reference as well as how to contribute your Ubuntu computer information to this website so everyone can read and benefit from it. Users of OS other than Ubuntu can also practice this tutorial to contribute. Let's start.