Ubuntu

The Ubuntu free and open source Linux operating system powers millions of desktops, netbooks and servers around the world.  Ubuntu does everything you need it to. It'll work with your existing PC files, printers, cameras and MP3 players.Ubuntu also comes with thousands of free applications contributed by the Ubuntu community of developers from around the world. Canonical serves as the project lead for the global Ubuntu project. It is the primary provider of Ubuntu services and is continuing to expand its support to the millions of Ubuntu users around the world.