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⭐ : To run modern z/OS versions (like 2.1) on Hercules, you must ensure your Hercules configuration supports z/Architecture (64-bit) mode. If you'd like, I can help you: Create a basic configuration file for your first boot. hercules z os 21 download link
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How to Set Up z/OS 2.1 on Hercules: Emulator Guide and Download Realities Unix System Services
: http://www.hercules-390.org/
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