Division of Cobol

Identification Division :-   mandatory

IDENTIFICATION DIVISION.

PROGRAM-ID. HELLO.                 //used to Identify the programs

Environment Division :-   Input and output files used in programs

ENVIRONMENT DIVISION.

CONFIGURATION SECTION.

   SOURCE-COMPUTER. XXX-ZOS.   //System used to compile program

   OBJECT-COMPUTER. XXX-ZOS.    //System used to execute program

INPUT-OUTPUT SECTION.

   FILE-CONTROL.                                //Provide information of external dataset used in program

   SELECT FILEN ASSIGN TO DDNAME

   ORGANIZATION IS SEQUENTIAL.

I-O control -  provides info of files used in program  //extra

Data Division :-   define variables used in programs

DATA DIVISION.

   FILE SECTION.               //define record structure of file

   FD FILEN

   01 NAME PIC A(25).

   

   WORKING-STORAGE SECTION.  //define temporary variables used in programs

   01 WS-STUDENT PIC A(30).

   01 WS-ID PIC 9(5).

LOCAL-STORAGE SECTION. // same as working storage -variable allocated everytime 

   01 LS-CLASS PIC 9(3).           //when program execution start

   

   LINKAGE SECTION.    //describe the data name received from external programs

   01 LS-ID PIC 9(5).

Procedure Division :- Include logic of programs

PROCEDURE DIVISION.

   A000-FIRST-PARA.

   DISPLAY 'Hello World'.

   MOVE 'TutorialsPoint' TO WS-NAME.

   DISPLAY "My name is : "WS-NAME.

   DISPLAY "My ID is : "WS-ID.

STOP RUN.