Specifications

6
CAUTION
The all-important Caution box tells you about potential accidents waiting to happen.
There are always ways to mess things up when you’re working with computers. These
boxes help you avoid at least some of the pitfalls.
How to Contact Me
If you have any comments about this book, or if you want to register a complaint or a
compliment (I prefer the latter), please don’t hesitate to send a missive my way. The
easiest way to do that is to drop by my website, have a look around, and post a message
to the forum:
www.mcfedries.com/.
If you do the Twitter thing, you can follow my tweets here: http://twitter.com/paulmcf.
Introduction