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Bash Pocket Reference: Help For Power Users And Sys Admins

It’s simple: if you want to interact deeply with Mac OS X, Linux, and other Unix-like systems, you need to know how to work with the Bash shell. This concise little book puts all of the essential information about Bash right at your fingertips.You’ll quickly find answers to the annoying questions that generally come up when you’re writing shell scripts: What characters do you need to quote? How do you get variable substitution to do exactly what you want? How do you use arrays? Updated for Bash version 4.4, this book has the answers to these and other problems in a format that makes browsing quick and easy.Topics include:Invoking the shellSyntaxFunctions and variablesArithmetic expressionsCommand historyProgrammable completionJob controlShell optionsCommand executionCoprocessesRestricted shellsBuilt-in commands

Paperback: 156 pages

Publisher: O'Reilly Media; 2 edition (March 12, 2016)

Language: English

ISBN-10: 1491941596

ISBN-13: 978-1491941591

Product Dimensions: 4.2 x 0.3 x 7.1 inches

Shipping Weight: 4 ounces (View shipping rates and policies)

Average Customer Review: 5.0 out of 5 stars  See all reviews (4 customer reviews)

Best Sellers Rank: #28,565 in Books (See Top 100 in Books) #3 in Books > Computers & Technology > Programming > Apple Programming #6 in Books > Computers & Technology > Operating Systems > Unix #13 in Books > Computers & Technology > Networking & Cloud Computing > Network Administration > Linux & UNIX Administration

You cannot beat this book for the money. But actually, you cannot beat it at all. Although essentially the same content is freely available in the Bash 'man' page on Linux, I find the organization and presentation in this 'pocket reference' much more approachable. Not to mention the significant convenience of having it printed and bound for you in a size that literally fits in your pocket, if you choose to keep it there. I am the proud owner of the previous edition, as well, and I am not quite sure what has changed between the two editions. But no matter; anyone who uses Bash, whether interactively or scripted -- (except perhaps the most casual, infrequent users) -- will want to own this book and keep it available at arms length.

This is a very handy reference. I used to do a lot of KSH programming back in the day, and in the last couple of years I've had to re-learn my skills, but with BASH instead. I was constantly looking up the same stuff over and over again (e.g. [ ] vs. ( ) vs. [[ ]] ) -- thank god for Google. Now with this handy pocket reference, I'm still looking up the same things over and over again, but now I have them instantly accessible with a stickie book mark. I liked the book so much, in fact, that I bought a second copy for the home office.

I have been looking for a simple Bash command reference book and this is just the ticket. It has an alphabetized list of Bash commands for easy reference with details similar to those found in Linux OS man files and info files, rather than a tutorial approach.Brace expansion and other Bash features are discussed with simple examples. It is a good reference book for folks writing Bash scripts who just want to look up commands and syntax.

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.

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