When it comes to talk about scripting, we cannot avoid talking about the probably most famous of the shells: the Bourne Again SHell. Thoroughly explaining it would require a whole book, so as usual in this post we explore only the features that it’s theory likely the reader should learn. The post is not intended to be easily understood by new-bies: it is structured as a cheat sheet, so the reader can use it as a quick reference when needed, but this approach has the drawback that there’s not much room to elaborate things enough.

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