There is a great new tool for Github users called Hub
https://hub.github.com/#developer
It will allow you to create, delete, and fully manage your Github Repos from the command line without having to open the website.
Be sure to try out these useful commands:
hub create
hub delete
hub clone
hub sync
hub browse
hub gist
hub fork
Hub Installations - https://github.com/github/hub#install...
Hub Manual - https://hub.github.com/hub.1.html