This is a really simple starter for ten, and was the 'failing memory' issue mentioned in the intro article. The command to list the active RACF database is not totally intuitive, although I'm sure that anyone that administers RACF on a regular basis (which I don't) would have no problem remembering it. Just issue: RVARY with no parameters (obvious, eh??). You can issue it from the console, by prefixing with the RACF subsystem command character (which defaults to a hash sign , ie. #RVARY...