https://masterthemainframe.com/ is a pretty cool website that intends to teach students how to do this kind of work by using a real IBM Z mainframe.
My first job was writing COBOL on an IBM 390. I hated it at the time, but I realise now how many important lessons I learned from it. It wasn't trendy, but it was worth doing and I'm glad I had the opportunity.
My first job was writing COBOL on an IBM 390. I hated it at the time, but I realise now how many important lessons I learned from it. It wasn't trendy, but it was worth doing and I'm glad I had the opportunity.