https://medium.com/p/af6b0f5cfa

hello-cobol.cbl

 * Manditory division - Identify the program
       IDENTIFICATION DIVISION.
       PROGRAM-ID.  HELLOCBL.
      * Optional division - Define they source computer and the 
      * target/build computer
       ENVIRONMENT DIVISION.
       CONFIGURATION SECTION.
          SOURCE-COMPUTER. ZOS.
          OBJECT-COMPUTER. ZOS.
      * Optional division - define working variables, etc. 
       DATA DIVISION.
       WORKING-STORAGE SECTION.

      * Mandatory divison - the actual program/logic 
       PROCEDURE DIVISION.
       MAIN-PARA.
           
      *    Print hello world 
           DISPLAY "Hello, World!".
           
      *    End the program
           STOP RUN.