there is a gOS but not reffering to a google os as this is based on ubuntu and not an affiliate with google, it says
(Google, Google Icons, and the Google Logo are trademarks of Google Inc. gOS is not affiliated with Google or their partners.
gOS is licensed under a Creative Commons Attribution Noncommercial Share Alike 3.0 Unported license
Copyright © 2008 Good OS LLC. All rights reserved. Patent pending.)
they might do what i do...
just kill the header
thats easily done in user agent switcher....