I may have missed it while browsing through the microstation Help manual, but what's the purpose/definition of the $ operator in workspace configuration files? Any help is much appreciated

SCDOT provides a number of downloads on their CADD Design website ( https://www.scdot.org/business/CADD-Design.aspx ) that are intended for contractors use. I have downloaded the “Complete Microstation and Geopak Workspace” .exe file and have been attempting…