I sometimes get errors when I run npm install for my Gulp or Grunt projects. To retry I need to remove the node_modules folder and sometimes that causes problems as when you are on Windows. I had a look around and found a Git repository named rimraf.
To remove a node_modules folder on your system, first install rimraf globally
npm install rimraf -g
Then, navigate to the folder just above the folder you want to remove and run
rimraf node_modules
…and the node_modules folder will be removed. This will of course work for other folders than the node_modules as well.
It is almost as simple as it should have been in Windows…