Mac OS X Quickly Reboot, Log Out, and Sleep Shortcuts

1: Immediately Reboot Mac OS X

Control + Command + Eject (or Power Button)

2: Immediately Shutdown Mac OS X

Command + Option + Control + Eject (or Power Button)

3: Immediately Log User Out of Mac OS X

Control + Option + Shift + Q

4: Immediately Put Your Mac to Sleep

Command + Option + Eject (hold the buttons down for 2 seconds, use Power button if no eject key)

5: Immediately Shut Off Your Mac Display *

Shift + Control + Eject (or Power Button)

6: Instant Shutdown of the Mac (Alternate Method)

Hold down the Power button until the Mac is turned off