Red Hat's big Linux update Summary: At a San Francisco press event, Red Hat executive vice president Paul Cormier discusses Red Hat Enterprise Linux 5. It's the first major update to the company's open source operating system in more than two years. March 14, 2007 -- 19:58 GMT (12:58 PDT) Loading... Please wait. Topics: Operating Systems, Linux, Open Source Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.