OperatingSystem os = System.Environment.OSVersion;  Console.WriteLine(“Platform: {0}”, os.Platform);  Console.WriteLine(“Service Pack: {0}”, os.ServicePack);  Console.WriteLine(“Version: {0}”, os.Version);  Console.WriteLine(“VersionString: {0}”, os.VersionString);  Console.WriteLine(“CLR Version: {0}”, System.Environment.Version);

Windows 7系统中，输出以下信息

Platform: Win32NT   Service Pack:   Version: 6.1.7600.0   VersionString: Microsoft Windows NT 6.1.7600.0   CLR Version: 4.0.21006.1