% npm, node, js

# initial new package
npm init

# initial immediately a new package
npm init -y

# install all dependencies packages
npm install

# install all dev dependencies packages
npm install --save-dev

# install a specified package
npm install <package_name>

# install a specified dev package
npm install <package_name> --save-dev

# install globally a specified package
npm install <package_name> -g



% nvm, node, js

# install a specified version of node
nvm install <version>

# list available versions
nvm ls-remote

# use installed node's version
nvm use <version>

# set a node's version as default
nvm alias default <version>