I only touched VMS, JCL, Cobol etc. when I was filling in time doing some simple mainframe work. It’s a whole different world from my BI/DWH world — and now I’m figuring out SAP B/W — THAT is another world with it’s own terminology!
I should have been more specific; while I did a little JCL and COBOL for an IBM 360 back in the 70’s, the VMS to which I was referring was VAX-11 VMS which later morphed into Open VMS...