There's more...

1. To run scripts, enter the following:

npm run [nameofthescriptwithextension] 

1. To install packages, enter the following:

npm install [nameofthepackage] 

1. To install packages and save the dependency in package.json, enter the following:

npm i [nameofthepackage] -S 

1. To list all the node packages installed on your computer, enter the following:

npm list -global true

//Or 

npm ls  

1. To install a package for global use, add -g at the end:

npm install gulp -g 

1. To upgrade npm, enter the following:

npm I npm@latest -g