$ sudo npm install rxjs
$ sudo npm install -g rxjs

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

$ sudo npm update rxjs

Update package globally,

$ npm install -g rxjs

Git clone:

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

$ sudo  npm install -g ./rxjs

rxjs@5.5.2 /usr/lib/node_modules/rxjs

How to remove rxjs package :

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

$ sudo npm uninstall rxjs

Basic Information of rxjs NPM Package: