Environment Division The Environment Division has two sections: The Configuration Section The Input-Output Section. The Environment Division is optional in a COBOL source program. Environment Division - FormatENVIRONMENT DIVISION.CONFIGURATION SECTION.Configuration Section ParagraphsINPUT-OUTPUT SECTION.Input-Output Section ParagraphsConfiguration Section ParagraphsSOURCE-COMPUTER.source-computer-entryOBJECT-COMPUTER.object-computer-entrySPECIAL-NAMES.special-names-entryInput-Output Section ParagraphsFILE-CONTROL.file-control-entryI-O-CONTROL.i-o-control-entry Related Information: Environment Division Coding Example. Environment Division Clauses
