> The thing that none of the VM monitors seem to offer (though I'd love > to be proven wrong) is debugging tools for the guest operating > systems. This is odd, as it was one of the major uses of VM/370. So > if a guest kernel goes off into space, the VM monitor shuts down the > virtual machine or resets it, but provides no means to find out what > happened, though it's in a perfect position to easily do so.
it's unfortunate that computer history isn't a bigger component of a computer science degree. in the case of vm, it's not even history; still alive and doing quite well as z/(vm|os) on slightly modified power arch hardware. - erik
