Input-Output Section

The Input-Output Section defines each file, identifies its external storage medium, assigns the file to one or more input/output devices, and specifies information needed for transmission of data between the external medium and the COBOL program.

The Input-Output section of the Environment Division contains two paragraphs:

FILE-CONTROL paragraph
I-O-CONTROL paragraph.

The IBM® i system has four categories of files:

Database Files
Device Files
DDM Files
Distributed Files
Save Files.