Elementary OS 0.3 linux
http://elementary.io/


elementary OS is an open source operating system based on Ubuntu Linux, the world’s most popular free OS, and built around the GNOME desktop environment. It features its own theme, icons and applications.
Distributed as 64-bit and 32-bit Live DVDs

The system is usually distributed as two Live DVD ISO images, one for each of the supported hardware platforms, 64-bit and 32-bit. It allows users to use the live environment directly from USB flash drives or blank DVDs.
Boot options