I talk about the CP/CMS Operating-system, CP-370 later VM/370 "virtualized or containerized" just the OS and not Hardware (for accounting and Security reasons):

I talk about the CP/CMS Operating-system, CP-370 later VM/370 "virtualized or containerized" just the OS and not Hardware (for accounting and Security reasons): https://en.wikipedia.org/wiki/CP/CMS#Overview https://en.wikipedia.org/wiki/CP/CMS#Overview that's exactly what jails/zones do (System, NOT Hardware virtualization)