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Learning Shell Scripting with Zsh by Gastón Festari

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Chapter 1. Getting Started

So, what's the deal with Z shell? You probably have a solid notion of what to expect from a modern shell, so things such as command history, completion, and autocorrection will not wow you as much as someone who just discovered Bash. However, unlike some of the other available shells out there, Z shell (zsh) boasts of a really powerful scripting language and an incredible completion system. Actually, incredible doesn't even begin to describe it. Swift and effortless sounds a bit more appropriate. Zsh also incorporates—and arguably, improves on—many of the useful features of Bash, ksh, and csh, even going so far as to allow you to emulate these shells in your scripts for an extra layer of compatibility.

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