On 07/02/2012 02:41 PM, Steve Davidson wrote: MRRT-11 (Memory-Resident, RT-11) is what you are trying to think of. You needed an RT-11 license for the load (and create) host, then licenses for each MRRT-11 system. I used this when I was a DEC OEM for a while. Is this around anywhere? It sounds like lots of fun. -Dave -- Dave McGuire, AK4HZ New Kensington, PA