"The always anticipated IDC Worldwide Quarterly Server Tracker
factory revenue numbers were released November 29. This batch is
for the period ended September 30, 2007.
"In the numbers, Windows-based server shipment revenue crossed
the 40% threshold for the first time. But despite conventional
wisdom about a battle between Linux and Windows, Windows gains over
time are at the expense of 'other,' basically the mainframe.
Unix/Linux-based system factory revenue maintained its overall
market-share leadership at just under 45%..."