//如下:
public static void OutPutOSInfo()
{
string va = Environment.MachineName;
//得到当前登录的用户名
string userName = Environment.UserName;
string systemDirectory = Environment.SystemDirectory;
string userDomainName = Environment.UserDomainName;
long er = Environment.WorkingSet;
string der = System.Environment.GetEnvironmentVariable("OS");
OperatingSystem os = Environment.OSVersion;
//得到操作系统版本信息
string operatingSystem = Environment.OSVersion.ToString();
//得到当前应用程序的路径
string currentDirectory = Environment.CurrentDirectory;
Version ver = os.Version;
//内部版本号
int build = ver.Build;
//获取主版本号
int major = ver.Major;
//次版本号
int minor = ver.Minor;
//修订号
int Revision = ver.Revision;
PlatformID p = os.Platform;