Rating: 
Summary: Excellent
Review: This book is excellent for the beginners and advanced. As usual O'Reilly delivers top-notch writing material on Linux. I highly recommend it to anyone new to Linux and even the experienced.
Rating: 
Summary: Not what I expected
Review: I get dissapointed. I expected a lot more about the "core" or the "kernel" of linux, but the book is 80-90 % of the concepts are just what you find in any unix (Some of the chapters are: perl, vi, patterns, shells..). Is good if you want to have a basic overview of unix based on linux. That's all.Me decepcionó. Esperaba un poco más del núcleo o del "alma" de linux, pero el libro en un 80-90% trata de los conceptos generales de cualquier unix. (Imagínese: Algunos de los capítulos son sobre vi, perl, el uso de patrones, etc.). Es bueno si lo que uno desea es una visión general de unix, tomando como base linux. ...y ya.
Rating:
Summary: Good book to have around
Review: I have found this book to be quite useful since it is a condensed version of the man files. It also cuts to the chase and gives you the most commonly used command options. Out of my shelf full of *NIX books, this is the one I grab for when I need to look up something like a command for Emacs or a shell option. I also like being able to carry it around and reading up on all the commands due to it's size, a binder with all the man pages printed off would prove to be unwieldy.
Rating:
Summary: Strong reference
Review: Other reviews make strong cases for rating this book at less than five stars. But after a certain point in using computers, one wants the hard side of a tradeoff between leanness and information. I just looked at my copy and wondered if it could tell me what a 'symbolic link' is. I ended up running "man ln" and "info ln" to understand the difference between a hard and soft link. Not very user-friendly, especially since the concept is as simple as Windows shortcuts. Any fairly new user who tried running "info ln" would be in a little world of pain, as well. It executes the text-mode emacs editor, and I imagine people would try typing 'C' and 'h' to get help, instead of Ctrl-h. But all that aside, I think this book deserves the 5 stars because it's perfect for its very useful role. Its chapter on CVS is better than entire books on the subject, since you just have to look at a page of reference, instead of plodding through some nightmare book that makes CVS seem more profound than it is. The chapters on shell programming get you into the thick of the subject pretty quickly. (My one beef with the book is where it says csh programming is 'bad for your health' without explaining why. C shell lacks some capabilities for file handling. But that's probably only very important for sysadmins, and it's even very unmaintainable for them to use deep shell programming anyway.) This sounds like a review against the book, which is good. I just wish to define what this book is not, since that is what is greatly important for a reference.
Rating:
Summary: Great for first timers
Review: As someone who is still learning Linux, I found this book very helpful. It covers the basics of running wervers as well as some of the more complex issues one might expect to find in an advanced book. Great for first timers!
Rating:
Summary: Great Reference - Needs to be more complete though
Review: I was expecting a listing of commands that rivals the BSD man pages. I was pleased with my purchase, but dont expect for this book to render the man command obsolete. Command functions were explained in a very easy to understand manner! Good Book!
Rating: 
Summary: Not as good as expected !
Review: This book does not impress me as much as it should mainly because it does not carry much details about each of the commands, like defining what some words stand for.Maybe I had hoped that it will be something like the DOS6Running Start ISBN of 981-214-445-5 which is a superb book that has examples for each and everyone of the command unlike this nutshell one.All in all, the book fails to express out the OS fully which Linus had created.
Rating: 
Summary: Could have been excellent
Review: This could have been an excellent reference manual had the author bothered to give command syntax along with a more complete list of options. The other thing that keeps me from giving this or any other computer book I own a five star rating is a poor, incomplete index. Why is it that people who write books on computers don't use their computers to amass comprehensive indexes? Baffles me. Anyway, I keep this book close by, but it has turned out to be less than I hoped for and less than it is rated as being. If it had a good index, I would give it four stars. If it provided more in the way of command syntax, I would probably give it five stars. This is a book for intermediate to advanced users willing to jot notes in the margins on command options not included and cross references not indexed.
Rating:
Summary: A very good desktop Reference.
Review: It contains the Linux user Commands,the Bash shell,the csh shell,the tcsh shell,Emacs,vi,ex,sed editors,the gawk Language,RCS 'n' CVS,Perl,sysadmin commands and boot methods.A very good reference,but i do not reccomend it for a completely begginer to Linux.
Rating:
Summary: Great reference - straight to the point.
Review: Lots of information about Linux including administrative information for all the hackers! Useful examples for most commands which helped a lot in understanding what each command does. It's great for leanring Unix as well.. more information than Unix In A Nutshell incl. all the basics of similar Unix commands.
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