Gentle introduction to COBOL

[Uncle Gizmo]

I saw this, and realized that some members might like to reminisce...

A Gentle Introduction To COBOL

As the Common Business Oriented Language, COBOL has a long and storied history. To this day it’s quite literally the financial bedrock for banks, businesses and financial institutions, runnin…

hackaday.com

 

[Gasman]

Not too sure I agree with the JCL comment.
The program would define internal filenames and the JCL would map those to external filenames. Way more flexible.