The root directory of the Primo system is /exlibris/primo/p<r>_<x>/. You can install several instances of the Primo system on a single server. For example, you may initially install an instance of Primo for testing purposes, as well as a production instance. The <r> indicates the release in which Primo was initially installed and <x> indicates the instance number of the installation.
The Primo system directories and subdirectories are described in the following sections: