@OSArch Returns one of the following: "X86", "IA64", "X64" - this is the architecture type of the currently running operating system.
@OSBuild 返回操作系统的内部标号(build号),如:Windows 2003 Server 返回的是 3790
@OSLang 返回表示操作系统语言的代号.详情请查看 附录 里面的值.
@OSServicePack 系统已安装的Service pack信息,比如"Service Pack 3"
@OSType 操作系统是NT/2000/XP/2003/Vista/2008则返回 "WIN32_NT"
@OSVersion 返回操作系统的版本,如:"WIN_2008","Vista", "WIN_2003", "WIN_XP", "WIN_2000"