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Mastering Bash

You're reading from   Mastering Bash A Step-by-Step Guide to working with Bash Programming and Shell Scripting

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781784396879
Length 502 pages
Edition 1st Edition
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Author (1):
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Giorgio Zarrelli Giorgio Zarrelli
Author Profile Icon Giorgio Zarrelli
Giorgio Zarrelli
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Table of Contents (15) Chapters Close

Preface 1. Let's Start Programming 2. Operators FREE CHAPTER 3. Testing 4. Quoting and Escaping 5. Menus, Arrays, and Functions 6. Iterations 7. Plug into the Real World 8. We Want to Chat 9. Subshells, Signals, and Job Controls 10. Lets Make a Process Chat 11. Living as a Daemon 12. Remote Connections over SSH 13. Its Time for a Timer 14. Time for Safety

Summary

Letting services talk to each other is not so difficult and can be real fun, especially if we know how to redirect the flows and spice things up with the right tools. Did we see everything Bash has to offer regarding IPC? No, and this is one of the best things about the shell: we can accomplish the same task in different ways, and there are so many things to do that a chapter would not be enough. Once again, this is the best thing in shell: we start off with some examples, learn how to work with the commands and utilities, and then expand our knowledge trying new experiments, tinkering with options and arguments, and mastering the tools we have been offered.

We pushed IPC so far that Netcat became a simple web server, pushing a page over the network so that we could actually display it in a browser. This is amazing, and it is quite the limit of what Bash can do, but we...

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