Using the fn key
Fn key commands are printed on the keys in italic.
The fn key works just like Shift or Ctrl.
Hold down fn and then press the key that has the command you want.
Using the Eject key on Mac OS X
To Eject, simply hold down the F12 key until the Eject symbol appears on the screen.
Using Caps Lock
To turn Caps Lock on/off, simply hold down the fn key 
and press the / ? caps lock key 2 :
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