This Ubuntu edition is distributed as hybrid Live DVD ISO images for multiple hardware platforms, including 64-bit, 32-bit and 64-bit Mac, and multiple languages that can be selected by the user during the initial boot. Availability, boot options, supported architectures and languages Welcome to the Utopic Unicorn edition of the world's most popular free operating system, Ubuntu, an open source distribution of Linux based on the award winning Debian GNU/Linux OS and built around the controversial Unity user interface that offers a modern and eye-candy desktop environment designed by human beings for human beings.