Tutorial by Examples

HELLO * HISTORIC EXAMPLE OF HELLO WORLD IN COBOL IDENTIFICATION DIVISION. PROGRAM-ID. HELLO. PROCEDURE DIVISION. DISPLAY "HELLO, WORLD". STOP RUN. The days of punch card layout and uppercase only inputs are far behind. Yet most COBOL imple...

gnu-cobol is available via the homebrew system. Open a terminal window from /Applications/Utilities/Terminal or use the keypress Command+Space and type "Terminal". If you do not have the homebrew system installed, add it by typing, or copying and pasting into your terminal: ruby -e &quo...