A default directory structure for a Jekyll site, suitable for rapid prototyping.
Clone and go.
For ideal system intregation, create an alias in your .bash_profile:
alias jekyll-create='git clone https://github.com/mikefowler/jekyll-quickstart.git'
With the alias in place, get a prototype up and running quickly with the following steps:
jekyll-create mySite
cd mySite
rake watch
Jekyll's server will be up and running at http://localhost:4000.