Great pocket reference for bash scripting!
933688
I have been a Linux admin for 10 plus years.  This book showed me some bash scripting techniques I never encountered or even knew they existed in a clear and concise method.
1161290
This book gives you a nice look at many of the useful facets of the UNIX OS using C.  It paves the way for understanding some of the more advanced treatments such as Richard Stevens's book.  This book is the right tool for someone with for someone with a good understanding of how to use UNIX and with good C skills to get a stronger understanding of how UNIX works.

The introduction to GTK+ is a good starting point for anyone interested in working with the Gnome desktop.  All things considered, this book is a very useful learning guide at a reasonable price.
2340588
I found this book very useful. This covers most of the required topics for someone to master Ubuntu and use that in desktop or server mode. The commands explained in this book as very good with practical examples for most of them. It also covers shell scripting and other language like Perl basics. Definitely a very good book for experienced professionals to start learning about Linux and Ubuntu.
3550972
Nice intro to Bash.
Found a few typos  and errors.
It is eay to follow.
I missed the regular expressions.
678792
I am working on my first script, and the info in this book gave me a lot of great tips on how to improve a script's structure and content.  Also gave great overview of the actual format and punctuation that is expected in today's scripts.  This book will be a big help in helping me finish (and eventually market) my script!
2816653
I highly recommend this book, to anyone who wants to learn and use Red Hat Linux! I have other books about Linux, but the books by Christopher Negus are the ones I read, first, when I need to learn how to do something new or something that I rarely do.  The other books, I  usually do not open. My first book  in  this series, was the Red Hat Linux 7.3 Bible.  These are very large books, but they have an  excellent Table of Contents and Index and those make it very easy to find what you are looking for. Earlier this year, I noticed these books are now coming with DVD media, so when I ordered the Red Hat Fedora Linux 3 Bible, I also ordered a DVD drive for my PC. On the back cover of this book, it shows "Reader Level: Beginning to Advanced". This, truly, is a book I can recommend to those who are new to Linux; unlike the other Linux books I have, which are best read by computer professionals or advanced users; without being books written for dummies.  These books, for me, are like having a Linux guru with me,  helping me, when I am trying to learn something new. I'm an early retired computer professional. I'd never worked with Unix, so these books make the "Learning Curve" much easier for me. Disclaimer: I have purchased a number of different editions of this book. I have also received 2 free copies, because I wrote a review that was published in one edition and because I sent some suggestions and corrections to the author.
2379575
In the fast-paced hi-tec world, one needs to be able to go straight to nuggets of information.  This book fills the need admirably.  The structure mirrors that of the Tcl language itself: starting with a concise explanation of the fundamental syntax, and then covering each command in turn.  Where needed, short and to the point examples will get you going with a command, and "Programmer's Tips" will prevent you going wrong. Easier than deciphering "man" pages, full explanations are given so that new commands can be used without ploughing through weighty tomes.  I have found it accurate, and fully applicable to version 8.3.3, current at the time of writing this review.
When my first copy was "lost" at work, I soon decided to buy another copy, feeling lost without one.
3999740
This book shows you how to do a lot. I have to admit it has been years since I have ran a LINUX system, this book did a great job at reminding me why it works so great! I like that the author shows not only how to use in the guee but also in the command prompt. Anyone looking for tips or to learn the advantages of linux of windows should grab a copy!
4049685
This book gave an excellent start to my project with its detailed information on how to debug and analyze USB drivers on Linux environment. The book covered everything required with block diagrams and sequence charts and provided a very good insight to USB drivers on Linux. I highly recommend this book for anyone interested in Linux USB development.
1416811
I found this book to be highly resourceful and it offered an easy understanding of the ARM processor.  The book does a great job of simplifying the ARM programming process by offering extremely practical and cool examples that allow the Micro-controller to be programmed in C and Assembly.  The book is written very well and allows you to hit the ground running!  I definitely recommend this book.
1821262
I already know Linux, but I bought this book as a desk reference. It was well worth it and has saved me grief more than once. Excellent info on setting up web servers, etc. However, its got pretty much NOTHING on MySQL which is odd because what website in todays world doesn't require a db? The info on SELinux, web servers, file servers (SAMBA) and email alone made it worth buying. Easy enough for the rank amateur, but meaty enough for the pro as well. Seems to be mostly Redhat / Centos oriented but has some Ubuntu stuff as well. I give it five well deserved stars. Suffice it to say - when I had to fly out to do some onsite work, this thick and heavy book came with me. (Which is why I will buy the kindle edition next time!)
4973433
I came across this while searching for the official "Raspberry Pi User Guide" by Upton & Halfacree  [...][1 - not yet released at the time of writing this review).

I figured that at AU$6.20 for the electronic download, I didn't have much to lose. It turns out that it is a great reference for people who are new to Raspberry Pi (like me!), and also new to the whole Linux thing (like me - I dabbled in Linux a couple of years ago, but I am just about a rank beginner). I quickly sorted out a few of my "teething troubles" within minutes of downloading, so it has paid its way already, and more little gems pop up each time I read a bit more.

Highly recommended - especially for RasPi Newbies!
1539246
This book was written to the developer new to scripting and it adheres to that premise to the end. Larry Ullman gives a great exposition of each of the programming examples he uses, so the reader not only understands the syntax of the recipe, but the processes taking place as well. A little thin, weighing in at 278 pages, but I feel that makes it undaunting to the new scripter.
4908725
Along with Matisse Enzer's Unix for Mac OS 10.4/Tiger, this is just about the best available title introducing Unix to the Mac user. There are lots of other great *Nix titles oriented variously at different levels of experience and user needs, but for the Mac Power User this is an excellent starting point. The book assumes both a level of confidence and good sense (RTFM!) that isn't always that common. You know who you are. The organization of this book into "projects" is one of its big strengths. It claims to proceed from simple to complex, from common to obscure, though I don't really see that.

*Each chapter presents a small topic (such as aliases and functions), and treats it in pretty great depth, with examples, exercises, and especially terrific cross references to other chapters/projects. This makes it easy to find the section matching what you want and need to do. On the other hand, topics are not all grouped intuitively right next to each other in series, though it is a remarkably easy to navigate book.

*You could read this book through, trying everything out as you went, but that would be tedious. Having the book on your desk for reference when needed, and also taking a crack at new subjects for fun and education's sake when you have a few free minutes, Mayo has put together a really terrific resource that I strongly recommend.

*Nearly exhaustive, what this book doesn't cover falls into the realm of the truly advanced and specialized, and what it misses in depth it fully admits to and refers the reader on to sources that can aid him. This book does not cover Leopard specifically (though it does cover the PPC/Intel differences, in areas such as nvram and sysctl, among others), but fear not.

*Although Leopard is a huge leap forward, most things Unix have not appreciably changed since Panther/10.3.x, and even if not revised again this title should continue to be a great tool going forward even into Snow Leopard (whenever that arrives. . .)

UPDATE 4/20/10:

I upgraded my Macs to Snow Leopard earlier this month when the 10.6.3 update came out, and have reviewed this book again, and have found that ALL commands and projects I tried (about 10% of the total) continue to work 100%, and exactly as noted in this book, input and output. Quite a statement since the book was written for Tiger/10.4.x (with the author having a developer's beta of Leopard 10.5) over three years ago. Recommended now MORE than ever, now that with the help of this title in part, I have graduated to full-blown Mac-Unix geek from almost rank beginner when I bought Mayo's book.
1940159
Great book for doing NGS analysis. Introduces the vast majority of R and bash skills that I use on a daily basis while undertaking research at a top university.
1920451
One of my favorite books for a Linux quick reference.  Great for anyone starting to use Linux to get an introduction to all of the commands.  Also good for the experienced admin to have the fundamentals at your fingertips to refresh at a moments notice.
3767253
I like it because this book has been helpful to me in learning to perform Linux commands.
I recommend this book.