npm init -y # -y to initialize with default values. 

npm i package # to install locally. i is short for install
npm i -g package # to install globally

npm install package@version

npm i -d package # -d stands for --save-dev i.e install as dev dependency

npm list # this will list all the dependencies of the third-party modules as well

npm list --depth=0

npm view package

npm view package dependencies

npm view package versions

npm outdated # run with -g flag to check globally

npm update