Rating: 
Summary: These tips may save you a lot of time
Review: This book has many scattered Tips on Unix from the user's point of view. It doesn't mention TCP/IP and protocols. You won't see Perl, here. Basically, it tells you how to write fine Bash scripts to take full advantage of Unix to solve mundane tasks, like changing your login prompt to display:date, time, hostname, etc. Setup terminal options. Very fine introduction to Regular Expressions (Regex). Nice tutorial on Awk. Fine chapter on Vi (not Vim). The chapter on How Bash interprets your commands will make you stop wondering why your ``*'' and variables ``$1'' are being misinterpreted. You must read it.So, why not five stars? This book is old. No word about GNU/Linux, the most proeminent *nix outcome. The tools included in the CD-Rom duplicate some GNU utilities, now included in every distro. Some tips on formatting text using ``troff'' are hardly useful today (with X Window all around). BTW, no word about X Window. Finally, if you're looking for Unix administration tips buy Nemeth (Unix administration). If you are looking for ``gotchas'' tips, that could save your time, this is THE book. Every now and then I come back to it.
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Summary: Unix Command Line, Power Tools
Review: It is an excellent book full of short, how to, articles that are neatly organized and cross-referenced. A "Bag of Tricks Reference Book" for Unix/Linux command line junkies who want to be more proficient at the command line, shells, processes, managing files, working a little with shell scripts and some basics on how and why Unix works the way it does. It has more info about how to manage files than any other subject. It is not for beginners. It will not teach you how to set up a server, workstation or network. It will not help you with security other than a little file security. A better name would be, "Unix Command Line, Power Tools".
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Summary: Great Book on Using UNIX
Review: This book shows you how to exploit the power of UNIX. It is a compilation of tips and tricks. Some people may look down on tips and tricks, but you wouldn't be able to accomplish most of them with any other operating system. This is not a book you will read straight through, and you won't study it and entirely master it. I would recommend this to any UNIX system administrator, system programmer, script programmer, or anyone who is or aspires to be a UNIX guru.
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Summary: Don't confuse "using" and "administration"
Review: People may tell you that THE reference on UNIX is the UNIX System Administration Handbook (known as the Purple book, formerly the red book) and they are right to a point. The Purple book relates to administering a UNIX system. What if you are not a UNIX system administrator, but a user who wants to move to the next level? Then this is the book, especially if you've already gotten bored with O'Reilly books on the Bash shell (there are other shells?) and Programming with GNU Software, and want to move to the next level. You know, you want to learn tricks, become more broad in your techniques, but you aren't an SysAdmin. This is probably the a book you want to include in an order for Learning Gnu Emacs (emacs vs. vi... please, emacs rules).
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Summary: Become a power user
Review: As another reviewer said, this isn't an "Intro to Unix" book. But if you have a Unix or Linux account, and have learned some basics but want to make the operating system really work for you, this is your book. That's how I started; I spent a month with this book, and emerged a power user, chaining commands and writing shell scripts to bend the operating system to my will. Until I read this book, I had no idea how much editing, filtering, searching, file and directory manipulation, automation and time saving I could achieve in Unix. I've been a fan of Unix ever since, and Unix Power Tools is still my first reference. My only criticism of this book is that it covers so many topics that it can't treat many of them in any depth. If you want to know about sh, awk, grep, or sed, you can get an introduction here, but will need the man pages or other more specific books to learn more. But I still find about 90% of what I need to know about all of these things in Unix Power Tools. I have the first edition, which now seems a bit dated, though still fundamentally sound. I don't know what changes have been made in the 2nd edition.
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Summary: Another O'Reilly dud
Review: Every time I buy an O'Reilly book I swear it will be the last. Same thing here. All kinds of hype and no delivery. I hate this book. I don't know why it gets so many good reviews. You might be able to use it as a reference book occasionally. Not well written at all.
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Summary: It's a gem, waiting to be a diamond!
Review: This book is definitely full of dynamite stuff! If I had to buy just one book in Unix, this would be the one. However, this book can be expanded to include recent developments which would make this a true bible. Disk management, memory management, and basic networking commands are required nowadays by every average unix programmer. This book can touch upon these in its next edition. O'Reilley does it again folks.
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Summary: I wish more computer books were like this!
Review: If you have ever sat next to a Unix wizard watching them perform magical tricks and wondered how they did that, this book will give you all the insight you need to do it yourself. I have the O'Reilly Unix in a Nutshell and like it for help with syntax but that is about it. This book is a far better reference for what you can do with the commands. The best part is that it is so easy to use. Almost everything is under one page and it uses a great cross-referencing format that keeps you from having to have one finger holding your place in the index all the time. I think more computer books should use this format! It is a must have for anyone learning Unix!!!
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Summary: The only one book needed nearby your UNIX box!
Review: Complete, neat, easy and extremely useful! most people hate arcane unix commands, but in this book you'll be in love with these magic commands and learn to use them powerfully and creatively. echo "Happy commadlining!"
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Summary: I like this book so much I bought two
Review: I work in two places and couldn't live without it. Unix Power Tools is everything I want in a reference book. Concise explanations (most topics are a page or two at most), lots of clear, commented examples (which are replicated on the CD), a very broad coverage of topics and excellent organization, indexing and cross referencing. Almost every time I've needed to figure out how to do something in Unix this book has come through with flying colors.
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