Icons Used in This Book

Those nifty little pictures in the margin aren't there just to pretty up the place. They also have practical functions:

TECHNICAL STUFF 

Hold it-technical details lurk just around the corner. Read on only if you have a pocket protector.

Tip 

Pay special attention to this icon; it lets you know that some particularly useful tidbit is at hand-perhaps a shortcut or a little-used command that pays off big.

REMEMBER 

Did I tell you about the memory course I took?

Warning 

Danger, Will Robinson! This icon highlights information that may help you avert disaster.