IDC新发布的服务器OS市场数据

Server OS share (by percentage of revenue) for Q4 2010

z/OS 11.3
Linux 17.0
Windows 42.1
Unix 25.6

Server OS share (by percentage of revenue)for Q4 2009

z/OS (not available)
Linux 14.7
Windows 41.6
Unix 29.9

Microsoft!Done well.