shut down(To close the operating system in an orderly fashion); break(To cause a routine, module, or program that had previously worked to cease working correctly); end(To end a phone call); stop(To halt a process or action, typically without restoring the prior state)
Stop(The user interface item that halts a process or action, typically without restoring the prior state); Shut Down(A menu item that provides options for restarting or turning off your computer, or for activating Stand By or Hibernate modes)