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Chapter 12. Other useful features of You... > Sleep, Restart, Shut Down, or Log Ou...

Sleep, Restart, Shut Down, or Log Out

In the Apple menu the last four options are Sleep, Restart, Shut Down, and Log Out. Here is a brief description of when you might use each of these options.

  • Sleep does two things: 1) It turns off the monitor display so your screen goes black, which is especially good for flat panels, and 2) it stops the hard disk from spinning. Both of these features save energy. If your machine goes to sleep, tap any of the keys on your keyboard to make it wake up again.

  • Restart shuts your Mac down and starts it up again without ever turning off the power. This is easier on the computer than turning off the power and rebooting (turning it back on). You often have to restart after installing new software (or anytime things just start acting weird).

  • On Shut Down, the Mac takes care of internal business, cleans up everything, and turns itself off (it actually turns off the power).

    Shut Down when you are done for the day or longer. Actually, you rarely have to Shut Down in Mac OS X— you can leave your machine on for weeks at a time, setting it to sleep automatically after a certain number of idle minutes. Since installing OS X, I leave my computer on for days on end.

  • Use Log Out to switch between multiple users (which I can't cover in this small book). If you are the only user, you can use it as a safety precaution when you are going to be away from your computer for a while. Log Out brings up a “Log in” screen where you must type your administrator password to get back to your Desktop. (The administrator password is the one that you set up the first time you turned on your Mac. Don't lose that password!!)



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