Interesting. I had forgotten about z/OS. I don't know much about the mainframe world. Several years back, I did get it booted on the "Hercules" emulator, but ma

Interesting. I had forgotten about z/OS. I don't know much about the mainframe world. Several years back, I did get it booted on the "Hercules" emulator, but making much real use of it was beyond my capabilities.