Prerequisites

In this section, we will cover some of the software that we need to follow the command line instructions in the chapter:

1. Install Homebrew from here (https://brew.sh/). Homebrew is a package manager for Mac that helps install open source software easily on your Mac Operating System.
2. Install wget using Homebrew. The wget command is a free utility that helps to retrieve content from web server. Follow the command to install wget :

      brew install wget

1. Install CURL. CURL is a tool used to transfer data from your local computer/server to an external system or vice versa. Use Homebrew to install CURL on your Mac. The command to install is as follows:

      brew install curl