The Ubuntu is an operating system based on GNU / Linux. Ubuntu is a Linux distribution. It is a highly advanced operating system from a technological and design point of view and it does not only excel in this area.
Its most important advantage is simplicity and ease of use. It comes pre-installed with a lot programs that cover more or less specialized needs.
As usual with its various new versions of Ubuntu, it gives the people who do not know it the opportunity to see it and explore it online. This means you can see through him browser you and play with it.
Of course, what you will see does not have all of them possibilities of distribution. But you can get a taste of its appearance and features.
Canonical's idea is to enable users of other operating systems to get to know Linux.
You can see it from Greek community of Ubuntu, and of course if you can charm you, you can download it.