In order to be able to extend the CLI tool with new capabilities, its vital to know how to get it all running. Building $ git clone $ cd cli/Source $ npm install $ npm link Adding a sub command Add a file for the command in the right place. This file will be a node “binary”. On top of the new JavaScript file add the following: #!/usr/bin/env node Then you need to change the files attributes so that it is an executable: »