Introduction

IDENTIFICATION DIVISION & ENVIRONMENT DIVISION

• In any COBOL program, IDENTIFICATION DIVISION and ENVIRONMENT DIVISION are listed prior to any other divisions.
• These division contains entries that identifies the program to operating system and describes input/output files used in program. It is routine matter to write these entries in a COBOL program
• Generally, these divisions provide documentation details and no business logic coded in these divisions

In this module, we will be covering below topics:-

• IDENTIFICATION DIVISION
  • PROGRAM-ID Paragraph
  • AUTHOR Paragraph
  • INSTALLATION Paragraph
  • DATE-WRITTEN Paragraph
  • DATA-COMPILED Paragraph
  • SECURITY Paragraph
• ENVIRONMENT DIVISION
  • CONFIGURATION SECTION
    • SOURCE-COMPUTER paragraph
    • OBJECT-COMPUTER paragraph
    • SPECIAL-NAMES paragraph
  • INPUT-OUTPUT SECTION
    • FILE-CONTROL paragraph
    • I-O-CONTROL paragraph