Here is the Environment Division format :
->->-ENVIRONMENT DIVISION. -*----------------------------------> 1
*-CONFIGURATION SECTION.----------> 2
1 ->----------------------------------------------------------> 3
2 ->-*---------------------------------------------*----------> 4
*-SOURCE-COMPUTER.-*-----------------------*-*
*-source-computer-entry-*
3 ->----------------------------------------------------------> 5
4 ->-*---------------------------------------------*----------> 6
*-OBJECT-COMPUTER.-*-----------------------*-*
*-object-computer-entry-*
5 ->----------------------------------------------*----------->
6 ->--*-----------------------------------------*-*
*-SPECIAL-NAMES.-*---------------------*-*
*-special-names-entry-*
->-*--------------------------------------------------------> 7
+
*-INPUT-OUTPUT SECTION.FILE-CONTROL.--------------------> 8
7 ->----------------------------------------------------------> 9
*---------------------*
V +
8 ->-----file-control-paragraph*------------------------------>10
9 ->-------------------------------------------------------*--><-
10 ->-*----------------------------------------------------**
*-I-O-CONTROL.-*-----------------------------------*-*
+ *-----------------------------* +
+ V + +
*-input-output-control-paragraph*-.-*
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