You can manage settings for your user account profile from the command line.
npm profile set <property> <value>: Set the value of a profile property. You can set the following properties this way: email, name, url, license, etc.
Setting the basic Npm configuration values:
npm config set init.author.name "John Snow"
npm config set init.author.email "js@thenorthremember.me"
npm config set init.author.url "http://johnsnow.me/"
npm config set init.license "MIT"