The Ubuntu is a GNU / Linux-based operating system. Ubuntu is a Linux distribution. It is a highly technologically and design-friendly operating system and does not only excel in this area.
Its most important advantage is simplicity and ease of use. It includes pre-installed too many programs that cover more or less specialized needs.
As it is used to its various new releases, Ubuntu enables people who do not know it to see it and browse it online. This means that you can see through your browser and play with it.
Of course what you will see does not have all the 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.