Copyright

Copyright © 1998 by Sams Publishing

All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein.

Library of Congress Catalog Card Number: 98-87469

Printed in the United States of America

First Printing: December 1998

01 00 99 98 4 3 2 1

All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Sams Publishing cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark.

UNIX is a registered trademark of AT&T.

Warning and Disclaimer

Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information provided is on an “as is” basis. The authors and the publisher shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book.

Credits

Executive Editor

Jeff Koch

Acquisitions Editor

Jane Brownlow

Development Editor

Jeff Koch

Managing Editor

Brice Gosnell

Project Editor

Cheri Clark

Indexer

Sharon Hilgenberg

Proofreader

Benjamin Berg

Technical Editor

Eric Richardson

Interior Design

Gary Adair

Cover Design

Aren Howell

Layout Technician

Susan Geiselman