the actual command it runs is: doctrine:fixtures:load
(which are in the Fixtures bundle).
the script which setups the demo data is located in vagrant/puphpet/files/exec-once
if you don't use vagrant you'll need to run that sort of setup manually
Here's some more info on working with Symfony's fixtures bundle - http://symfony.com/doc/current/bundles/DoctrineFixturesBundl...
the actual command it runs is: doctrine:fixtures:load
(which are in the Fixtures bundle).
the script which setups the demo data is located in vagrant/puphpet/files/exec-once
if you don't use vagrant you'll need to run that sort of setup manually