running an external executable is failing

Hey everyone, I know this question was asked a lot but i'm facing a serious problem, I'm trying to run an external executable application from unity but It's not working, here's my code

      Process myProcess = new Process();
      myProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
      myProcess.StartInfo.FileName = "the executable name";
      string path = "/home/tt/Desktop";
      myProcess.StartInfo.Arguments =path;
      myProcess.Start();

the executable file is on Desktop and I'm using unity for ubuntu, the code doesn't give me an error or exception but it's not executing, can anybody please help? thanks in return.