<Tr> <Th> License </Th> <Td> Google Chrome OS Terms of Service </Td> </Tr> <Tr> <Th> Official website </Th> <Td> www.google.com/chromebook/ </Td> </Tr> <P> Chrome OS is an operating system designed by Google that is based on the Linux kernel and uses the Google Chrome web browser as its principal user interface . As a result, Chrome OS primarily supports web applications . </P> <P> Google announced the project in July 2009, conceiving it as an operating system in which both applications and user data reside in the cloud: hence Chrome OS primarily runs web applications . Source code and a public demo came that November . The first Chrome OS laptop, known as a Chromebook, arrived in May 2011 . Initial Chromebook shipments from Samsung and Acer occurred in July 2011 . </P>

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