title: How to see VirtualBox fullscreen correctly?
body: <p>I just installed virtualbox, when i press HOST + F I see the window fullscreen but the OS still small. It seems doesnt not follow the fullscreen directive.</p>
  
  <p>Someone coul dhelp me?</p>
  
  <p>Thank you</p>
  
  <p>KUbuntu 11.04</p>