According to this article the largest desktop Linux installation at a British Government site is the GCHQ at Cheltenham.<br><br><a href="http://www.thinq.co.uk/2010/9/24/gchq-spooks-top-uk-linux-installations/">http://www.thinq.co.uk/2010/9/24/gchq-spooks-top-uk-linux-installations/</a><br>
<br>Gordon<br>