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Rating: 
Summary: This book will make your life easier
Review: I found this book very easy to understand, but if you are looking for something more advance, this is not for you. The style of writing in this book is very easy to follow. Like what is written on the title, it has lots of examples, and an explanation always comes after the example. It is not only about shell, this book also has good basic knowledge and information about grep, sed, and awk. If you use Linux, and want to learn shell programming, get this book. I also found that the examples used in this book were very close to the real life problems we often meet in Linux. The only reason that I rate only 4 stars for this book is because some similar part gets repeated too often in this book.
Rating:
Summary: Great Examples for Shell Scripting from Basic to Advanced
Review: I just bought this book, and can't put it down. I have been working with Linux for several years, and find there is still a lot to know. This is a very useful book and reference already. It covers several topics from basic introductions to in-depth teachings. Great explanations of examples as well.
Rating: 
Summary: Excellent Book
Review: I just started this book but have thumbed through all the chapters. The author is a very good writer and seems to be passionate about the subject unlike some of the authors that write dry tombs for O'Reilly. However, "Unix Power Tools", O'Reilly is not a dry tomb. Anyway, better know your way around linux before you get this book even though it starts very basic. This is a huge book, 761 pages. Great info...
Rating:
Summary: Useful script writing skills!!
Review: I love the explanations of scripts in here... there are so many books that either give you a finished script or the same thing you find in the man pages... this book guides you to understanding the scripts that you write. The format of "Example" followed by "Explanation" lets you understand exactly what is going on. Skills developed cross over to other OSs like Solaris and HP with some minor differences. For those who come to me with hopes of walking onto a customer site and understanding their admin scripts this is the tutorial I suggest. I would have titled this book a marketing unfriendly "Scripting with grep, awk and sed on the Linux shells." For all that... I would like to have seen really cool practical uses for activities like monitoring system performance, backup and recovery and interacting with applications programs (like Oracle's sqlplus and svrmgrl). That said, you can take the principles learned and easily apply them to these areas. Also makes a nice reference with some stick-ums.
Rating:
Summary: Don't think twice, just get it.
Review: New to 'nix? You need to learn the shell to become comfortable and proficient with the OS. There is no better book for the serious beginner/intermediate self-motivated learner. Ellie Quigley is a superb instructor and writer.
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