The initial directory structure of a HUBzero install.

/hubzero
  /administrator
  /cache
  /components
  /images
  /includes
  /language
  /libraries
  /logs
  /media
  /modules
  /plugins
  /site
  /templates
  /tmp
  /xmlrpc
  configuration.php
  index.php
  index2.php
  htaccess.txt
  robots.txt

While this looks very much like a typical Joomla! 1.5 install, there are some noticeable exceptions. Some directories vital to HUBzero functionality have been added. A quick explanation of the additional directories:

/site

This is where HUB specific data such as member pictures, files used in wiki pages, etc. is stored.