GET VERSION

npm -v (or --version)

GET HELP

npm help
npm

CREATE PACKAGE.JSON

npm init
npm init -y (or --yes)

SET DEFAULTS

npm config set init-author-name "YOUR NAME"
npm set init-license "MIT"

GET DEFAULTS

npm config get init-author-name
npm get init-license

REMOVE DEFAULTS

npm config delete init-author-name
npm delete init-license

INSTALLING LOCAL PACKAGES

npm install lodash --save (or npm install --save lodash)
npm install moment --save
npm install gulp gulp-sass --save-dev

MOVE TO ANOTHER FOLDER

npm install
npm install --production

REMOVING MODULES

npm uninstall gulp-sass --save-dev
npm remove gulp --save-dev

INSTALL CERTAIN VERSIONS

npm install lodash@4.17.3 --save

UPDATE

npm update lodash --save

INSTALL GLOBAL MODULE

npm install -g nodemon
npm install -g live-server

RUN NODEMON

nodemon

FIND ROOT FOLDER

npm root -g

REMOVE GLOBAL PACKAGES

npm remove -g nodemon

LISTING PACKAGES

npm list
npm list --depth 0
npm list --depth 1

INSTALL LIVE-SERVER LOCALLY

npm install live-server --save-dev

NPM SCRIPT

"scripts": {
    "start": "node index.js",
    "dev": "live-server"
  },