(Full description and list of commands at - https://npmjs.org/doc/index.html)
##List of less common (however useful) NPM commands
######Install a package and also update package.json with the installed version and package name.
npm install <module-name> --save
######Install a package and also update package.json with the installed version and package name, but into the devDependencies section.
npm install <module-name> --save-dev
######Set --save as a default for npm install .
npm config set save true
######Generate package.json in a module directory, based on npm parmaters.
npm init
######List all npm configuration flags.
npm config ls -l
######Install a version not from a git repository and not from the npm directory, for example:
npm install git://github.com/substack/node-browserify.git
######Update the global npm version.
npm update npm -g
######Display the readme.md / documentation / npmjs.orf page of a give library.
npm docs <module-name>
######Run package test suite, based on setup in package.json in:
"scripts" : {"test" : "node testfile.js"}
npm test
######Uninstall package (A nice thing about npm is you can always just rm -rf ./node_modules/<module_name>).
npm uninstall <module_name>
######Locally edit a dependency.
npm edit <module_name>
######Setup editor for npm edit :
npm config set editor "sublime"
######Publish a package not under the default "latest" tag:
npm publish --tag beta
######List outdated libraries compared to currently installe node_modules:
npm outdated
######Lock down dependency versions:
npm shrinkwrap