It is some times convenient, even necessary, to make use of a module that you are working on before it has been published to the node package manager (npm). The
npm link command makes this simple.
Since a linked package is just a symbolically linked folder you run bash scripts in the node_modules folder to list folders of that type only. http://stackoverflow.com/questions/24933955/easy-way-to-list-node-modules-i-have-npm-linked