the user must install it. Hercules was the first mainframe emulator to incorporate 64-bit z/Architecture support. The emulator is written almost entirely
systems, including the Herculesemulator for personal computers. The following versions are known: Virtual Machine Facility/370 VM/370, released in 1972
hardware that emulates computing platforms. The host in this article is the system running the emulator, and the guest is the system being emulated. The list
3270 terminal emulator required to download system software from the host mainframe. The XT/370 computer booted into DOS, then ran the VM/PC Control Program
z/VM (in real mode) do not suffer the cost of CPU-level slowdowns as the CPU-level instructions are not proxied or executing against an emulated architecture