A couple of years ago I spent just over a year working as a mainframe developer on a System/360 set of mainframes and the author's description of mainframe deve

A couple of years ago I spent just over a year working as a mainframe developer on a System/360 set of mainframes and the author's description of mainframe development seems accurate. I grew very fond of JCL, EBCDIC and the text editor despite, or perhaps due to, their idiosyncrasies. Not that I would ever go back ;)