Okay, you can "Buy it now" for $500... But I suppose you'd need an OS license from IBM to operate the thing? Or does Linux boot bare metal on z/Systems? (Ini

Okay, you can "Buy it now" for $500... But I suppose you'd need an OS license from IBM to operate the thing? Or does Linux boot bare metal on z/Systems? (Initial Program Load, sorry. One does not simply "boot" an IBM mainframe.)