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Lesson 13. Startup Sequence > Using Logout and Shutdown

Using Logout and Shutdown

The procedures for logging out, restarting the system, and shutting down the system have semantics similar to those for logging in. The foreground process usually initiates these procedures in response to the user choosing an item from the Apple menu; however, a process can also initiate the procedure programmatically by sending an appropriate Apple event to the loginwindow process. The loginwindow process carries out the procedure, posting alerts and notifying applications to give them a chance to clean up before closing.


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