(dotnetcore) Friendly OS Name

friendlyos.cs

public string FriendlyOSName()
{
	string osName = string.Empty;

	if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
	{
		Version version = Environment.OSVersion.Version;

		switch (version.Major)
		{
			case 6:
				osName = version.Minor switch
				{
					1 => "Windows 7",
					2 => "Windows 8",
					3 => "Windows 8.1",
					_ => "Unknown Windows",
				};
				break;
			case 10:
				switch (version.Minor)
				{
					case 0:
						if (version.Build >= 22000) osName = "Windows 11";
						else osName = "Windows 10";
						break;
						
					default: osName = "Unknown Windows"; break;
				}
				break;
			default:
				osName = "Unknown Windows";
				break;
		}
	}
	else if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
	{
		if (File.Exists("/etc/issue.net"))
			osName = File.ReadAllText("/etc/issue.net");
		else
			osName = "Linux";
	}
            
	return osName;
}