Sample Schema

I have an existing 10.2.0.1.0 database that resides on a Suse Linux 9 server.  I would like to load the sample schemas into this existing data structure.  I have loaded the companion CD onto the server but in the demo folder I do not see the correct sql files.  I only see hr_code.sql in the hr folder.   I have tried running dbca but not sure how to load these samples into an existing home.  I clicked on the radio button for database configuration and it just locks up without brining back data.  I found a refernce to look in the stage/Components/oracle.demo.common_scheme/10.1.0.2.0/1/Datafiles/hr.jar to get the