While a doesn't exist legally for the general public, the TK4- MVS system offers a perfect (and free) starting point for mainframe enthusiasts. If you need the modern features of z/OS 2.1 for professional reasons, the IBM ZD&T program is your official path.
If the user is learning z/Architecture or testing Hercules but does not have a license for z/OS, the following alternatives are fully legal and downloadable: hercules z os 21 download link
Instead of trying to host the mainframe yourself, use IBM's hardware for free. While a doesn't exist legally for the general
Hercules is an open-source project that allows standard PCs to emulate IBM System/370, ESA/390, and z/Architecture hardware. It essentially "tricks" the software into thinking it is running on a massive IBM mainframe. Hercules is an open-source project that allows standard
This is a long report detailing the acquisition, setup, and context of running IBM z/OS 2.1 on the Hercules emulator.
While a doesn't exist legally for the general public, the TK4- MVS system offers a perfect (and free) starting point for mainframe enthusiasts. If you need the modern features of z/OS 2.1 for professional reasons, the IBM ZD&T program is your official path.
If the user is learning z/Architecture or testing Hercules but does not have a license for z/OS, the following alternatives are fully legal and downloadable:
Instead of trying to host the mainframe yourself, use IBM's hardware for free.
Hercules is an open-source project that allows standard PCs to emulate IBM System/370, ESA/390, and z/Architecture hardware. It essentially "tricks" the software into thinking it is running on a massive IBM mainframe.
This is a long report detailing the acquisition, setup, and context of running IBM z/OS 2.1 on the Hercules emulator.