Install the MVS Turnkey 5 System
Welcome back to 1968!
Run a "Mainframe" on a PC
Install and run the MVS Turnkey 5 System.
This is a way to learn how to write COBOL programs for an IBM Mainframe system.
This will be more of a “cheatsheet” than an explict guide. It is written for someone with some GNU/Linux command line experience. You may have to do some additional research to execute this correctly.