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Rating:  -
This book has many drawbacks: its structure is deficient, the division of the material is sometimes outright confusing, the content lacks rigor and clarity, the examples are badly chosen and there is an overall lack of unity and consistence throughout the book.
Despite its many drawbacks, "Learning the Bash Shell" is still a useful book, simply because there are not that many alternatives. Moreover, the subject itself (i.e. the Bash shell, the Unix OS or both) is inconsistent and confusing.
Rating:  -
Good chapter on debugging. Good overview of the Bash shell, but I wish it had more examples. For a book with lots of examples, you might want to consider "Bash Shell: Essential Programs for Your Survival at Work" by Larry L. Smith.
Rating: -
The bash shell is now the most common and featureful command shell in the Unix world. It's full capability certainly isn't obvious to a beginner facing a command prompt, but is well worth exploring. This book is a great place for the novice to start. The first chapter addresses the most fundamental question: just what is a command shell?
The ideal reader already knows at least the names of the emacs and vi editors. That much helps understand the many features and two distinct feature sets available for command line editing. I consider fancy command line editing over-rated for fluent typists, but it's there in the second chapter for all who want it and anyone can benefit from at least a little knowledge of it. After that successive chapters pull the reader deeper into the bash feature set: aliases and shell variables, scripting and shell programming, and debugging when the shell programs or functions go awry.
Since this book is aimed at the novice, Newham and Rosenblatt skip lightly over a few of the more advanced subjects. For example, exceptions and trap handling get only cursory treatment, since they get into deep weirdness very fast. The authors are honest about this shallow treatment, though, and give enough information for a novice to recognize the basics and look them up in more advanced references.
This is nicely organized for the self-taught student. As a result, it's not laid out as a programmer's reference manual - anyone who wants that kind of reference just isn't looking at the right book. For its intended reader, though, it's a great book. It gets readers off to a fast start, and lets them decide just how much they want to bite off at a time. I recommned it very highly.
//wiredweird
Rating: -
This is a useful introduction to the Bash shell used in unix, linux, and other *nix type operating systems. It takes you from a very basic introduction into deeper concepts including shell scripting and customization. Highly recommended for the niche market it is intended to reach. I found it clear, useful and detailed without being dull.
Rating:  -
This book (2nd. ed.) shows how bash shell programming exploits special capabilities of linux and unix. Shell programming manages other, more specialized, programs. So understanding the shell is essential to fully exploiting multitasking environments like linux.
This book comfortably covers a complex topic. As software evolves, these skills apply to the TCL shell and the Z shell, too. I am eager to get started on the 3rd. edition of this book.
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