How to: Reboot (Restart) or Shut Down your Mac OS X Lion with Simple Keyboard Commands, right away without waiting or Want to Shut Down your Mac when it is Frozen or not responsive, then this Keyboard Command is the Best Way to Do So.
When you only want to Reboot Mac (Not Shutting Down), just press CtrL+Cmd+Eject to Reboot your Mac immediately without any alerts or waiting dialogs.
When you want to Shut Down Mac OS X Lion and go a Drive, then Press CtrL+Opt+Cmd+Eject to Shut it Down immediately without any Dialogs or any Alerts.
Important Note – Before using these Keyboard Commands on your Mac , you won’t be prompted (asked) to save your Works or review your Open Apps.
To bring the Power Management Menu and Select , whether you want to Reboot Mac or Shut Down Mac , Sleep or Do nothing, you can also Press CtrL+Eject (or press the Power Button) and remember you can always Press Cmd+Opt+Shift+Esc to Force Quit the front-most application, when you want to Reboot your Mac. Via
Keyboard shortcuts for Shut down, restart, and sleep
Note: Key names are separated by a hyphen (-), such as “Control-Eject”. You do not type the hyphen as part of the key combination.
The dialog box “Are you sure you want to shut down your computer now?” appears with options to Restart, Sleep, Cancel or Shut Down. After the dialog appears, press the R key to Restart, press the S key to Sleep, press the Esc key to Cancel, or press the Return key to Shut Down.
Quits all applications (after giving you a chance to save changes to open documents) and restarts the computer.
Quits all applications (after giving you a chance to save changes to open documents) and shuts the computer down.
Puts the computer to sleep.
Puts all displays to sleep.
Power button (if the computer is not responding)
Press and hold the power button on the computer for six seconds to shut down the computer.