However, if you are looking to run a mainframe environment on your PC for learning or development, there are legitimate ways to do it. This guide covers how Hercules works, the legal status of z/OS, and the best alternatives for enthusiasts. Understanding Hercules and z/OS 2.1
: Enthusiasts use Hercules to learn mainframe assembly, JCL (Job Control Language), and system administration without needing a million-dollar machine. hercules z os 21 download link
To get started with Hercules, follow these steps: However, if you are looking to run a
IBM provides a package called ZD&T Personal Edition . It allows you to run the latest z/OS (including 2.1, 2.4, or 2.5) on a Linux-based x86 machine. the legal status of z/OS