I m reading the tutorial of getting started with zend framework2, when I came to this :

![enter image description here](https://i.stack.imgur.com/3ZxKH.png)

I don't know how to excecute this : 
here is the link of the page : <http://framework.zend.com/manual/2.0/en/user-guide/skeleton-application.html>

How can I achieve this?