The Mac Keyboard
All through this book, you’ll find references to certain keys on Apple’s keyboards. “Hold down the 
key,” you might read, or “Press Control-F2.” If you’re coming from Mac OS 9, from Windows, or even from a typewriter, you might be a bit befuddled. (The reader email generated by previous editions of this book made that quite clear. “The alphabet has 26 letters,” one went. “Why do I need 101 keys?”)
To make any attempt at an explanation even more complicated, Apple’s keyboards keep changing. The one you’re using right now is probably one of these models:
The current keyboards, where the keys are flat little jobbers that poke up through square holes in the aluminum (Figure 6-1). That’s what you get on current laptops, wired keyboards, and Bluetooth wireless keyboards.
Figure 6-1. On the top row of aluminum Mac keyboards, the F-keys have dual functions. Ordinarily, the F1 through F4 keys correspond to Screen Dimmer (
), Screen Brighter (
), Mission Control (
), and either Dashboard ...
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