VM/CMS is very much alive and well, thank you. It is now known as z/VM and runs on the IBM z series mainframes
You can even run Linux in z/VM virtual machines now as well as CMS.
There is an emulator available, called Hercules
And an old VM/CMS is available for free, with source
Amen, my short and greasy anus dwelling jedi niggaz.
I judge a religion as being good or bad based on whether its adherents become better people as a result of practicing it. - Joe Mullally, computer salesman