Copyright

Visual QuickPro Guide

Unix for Mac OS X 10.4

Matisse Enzer

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Peachpit Press is a division of Pearson Education

Copyright 2006 by Matisse Enzer

Editor: Whitney Walker

Production Coordinator: Myrna Vladic

Copy Editor: Elissa Rabellino

Tech Editor: Scott M. Neal

Compositor: Jerry Ballew

Indexer: Rebecca Plunkett

Notice of rights

All rights reserved. No part of this book may be reproduced or transmitted in any form by any means, electronic, mechanical, photocopying, recording, or otherwise , without the prior written permission of the publisher. For information on getting permission for reprints and excerpts, contact [e-mail].

Notice of liability

The information in this book is distributed on an "As Is" basis, without warranty. While every precaution has been taken in the preparation of the book, neither the author nor Peachpit Press shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the instructions contained in this book or by the computer software and hardware products described in it.

Trademarks

Visual QuickPro Guide is a registered trademark of Peachpit Press, a division of Pearson Education.

Throughout this book, trademarks are used. Rather than put a trademark symbol in every occurrence of a trademarked name , we state that we are using the names in an editorial fashion only and to the benefit of the trademark owner with no intention of infringement of the trademark.

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Printed and bound in the United States of America

Dedications

The first edition of this book was dedicated to David Hawkins,

 {appledecwrlhplabs}!  well!dhawk 

It was David who taught me my first serious addition to a Unix command line:

[View full width]

  command  awk '{print }'  sort  (u@  uniq -c  sort -nr 

and this quote from Horace

To know all things is not permitted .

to which David's response was

But you can still go deeper . . .

David died on July 24, 2000. There is an online memorial at www. river .org/~dhawk/ memorial .html.

This second edition is dedicated to someone I haven't met yetsomeone who picks up this book, uses it, and years later realizes the quixotic turns that his or her life has taken as a result of delving into the strange land that we call Unix.