Windows narrowly bumped Unix in 2005 to claim <A HREF="http://news.zdnet.com/2100-3513_22-6041804.html?tag=zdnn.alert">the top spot in server sales</A> for the first time, according to a new report from IDC. Computer makers sold $17.7 billion worth of Windows servers worldwide in 2005 compared with $17.5 billion in Unix servers, IDC analyst Matthew Eastwood said of the firm's latest Server Tracker market share report. "It's the first time Unix was not top overall since before the Tracker started in 1996."