This article aims to pass on the knowledge acquired in two courses of the Dataquest.io platform: Elements of the Command Line and Text Processing in the Command Line and introduce their use on Data Science projects. Please feel free to access my GitHub Page or connect with me on Linkedin. — Before you start… In order for you to get the most out of this article, I hope that you already know CLI basics. You’ll see that this tutorial is pretty intuitive, but there can be some parts where you need to focus a little bit more in order to fully understand.