Annoying popup windows during exec()

Question

I am executing couple of system commands
in Windows using exec() calls from a signed applet.
Though the functionality works, when the command
gets executed, an empty DOS window pops up and disappers.
Is there a way to hide the popup window or make it not
to show up?
Here is an example of my code. "dir" will be replaced with
some actual useful commands.
String command = "cmd /c pushd c:\\test && dir -s";
Process p = Runtime.getRuntime().exec(command);
Thanks in advance.

Answer 1

For everyone that keeps asking how to NOT have a dos window pop up - here is the c++ code from a program I wrote years ago. It lets you spawn a dos process without a dos window. It should be a simple matter to port this to a .dll that you can use from java.
int CYourClass::Spawn( int nMode, char * cmdproc, char * buff )
STARTUPINFO         si = {0};
PROCESS_INFORMATION pi = {0};
si.cb = sizeof( STARTUPINFO );
si.lpReserved = NULL;
si.lpReserved2 = NULL;
si.cbReserved2 = 0;
si.lpDesktop = NULL;
si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_HIDE;
BOOL CreateProcessStatus;
ULONG dosretval;
DWORD retval;
MSG msg;
CBuildApp* pApp = (CBuildApp*)AfxGetApp();
_doserrno = errno = 0; // set to zero first so we can see if we go wrong somewhere
CreateProcessStatus = CreateProcess( cmdproc, buff, NULL, NULL, TRUE, NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi );
dosretval = GetLastError();
  if  (!CreateProcessStatus)
    return -1;
  if ( nMode == _P_WAIT ) /* SYNCHRONOUS */
    WaitForSingleObject( pi.hProcess, (DWORD)(-1L) );
    GetExitCodeProcess( pi.hProcess, &retval );
    CloseHandle(pi.hProcess);
        // so the system doesnt appear to freeze
        while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))     
          if (msg.message == MM_STOP)        
              pApp->bBusy = FALSE;
              pApp->bStopProcess = TRUE;
              break;    
                if (!AfxGetApp()->PreTranslateMessage(&msg))        
                   ::TranslateMessage(&msg);           
                   ::DispatchMessage(&msg);
         AfxGetApp()->OnIdle(0);   // updates user interface
         AfxGetApp()->OnIdle(1);   // frees temporary objects
   CloseHandle( pi.hThread );
   return retval;