One comment out of that was interesting to me: >And it’s not all COBOL anymore. Today mainframe programmers use Python, Linux, node.js, Java, blockchain. node

One comment out of that was interesting to me: >And it’s not all COBOL anymore. Today mainframe programmers use Python, Linux, node.js, Java, blockchain. node.js on a mainframe? That doesn’t strike me as being something that can uninterrupted for years.