Check if user is admin/su

Program.cs

 //Install Mono.Posix.NETStandard
 
 public static bool IsAdministrator =>
            RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ?
                new WindowsPrincipal(WindowsIdentity.GetCurrent())
                    .IsInRole(WindowsBuiltInRole.Administrator) :
                Mono.Unix.Native.Syscall.geteuid() == 0;