Muchas Gracias to Allison and Megan and Tony (O My!) for your help with RT-11... the machine is running as I type this, and displaying a directory... all entries no later than 1979... just about the time I was spending long nights trying to figure out the Cromemco Z2H that I had pieced together... all I had was the monitor and 16K of RAM.. so I never shut it off for weeks... and a GE Terminet for a console, so at the end of a session the room was swimming in roll paper covered with hex.... Now to get the 2nd RK05 running.... THEN to figure out how to make the RL02s peacefully co-exist in the system... THEN to install one of my old classic modems, and write to my list friends from the DEC system.... THEN.... But first things first. Thanks again!! Cheers John