Chromium OS

Chromium OS is the open source development version of Google Chrome OS. The source code of Google Chrome OS was released in November 2009 under a BSD License, being called Chromium OS. Chromium OS was built on the basis of a Linux kernel in an Ubuntu environment 10.04, using the official package manager of the Gentoo Linux distribution Portage. Therefore it is a hybrid between Ubuntu and Gentoo based on both Linux distributions.