To set R:BASE so that it starts in multi-user mode by default, edit the R:BASE configuration file (RBENGINE8.CFG) to include the command SET MULTI ON. This file should contain the user's name, but does not need to be unique to all workstations.

Multi-User Mode Topics
Introduction to Using R:BASE on a Network  
Setting Up for Network Use  
Sharing Network Resources  
Concurrency Control  
Resource Waiting  
Schema Reading Mode with SET STATICDB  
Locks