$ sudo npm install ref
$ sudo npm install -g ref

If want to update the ref package execute the command as below,

$ sudo npm update ref

Update package globally,

$ npm install -g ref

Git clone:

$ sudo  git clone https://github.com/rektide/ref.git

$ sudo  npm install -g ./ref

ref@1.3.5 /usr/lib/node_modules/ref

How to remove ref package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall ref

Basic Information of ref NPM Package: