JSON is a must-have skill for IT professionals, since it is probably the most used document format when dealing with AJAX and with REST web-services: since both of them are broadly used on the web, it is very likely that sooner or later you'll ever have to deal with it.

Being skilled on JSON does not only mean being able to write JSON documents, but also knowing how to exploit tools such as jq to extract values or even a subset from a JSON document.

Having these skills makes your life easier not only if you are a developer, but also if you are involved in the system integration field.

This post is an overview about all you must know about JSON and how to work with it using jq.

By the way, this post is part of a trilogy of posts dedicated to markup and serialization formats, so be sure not to miss

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