COBOL/400 Language Help
- Description
-
- The I-O control paragraph of the INPUT-OUTPUT SECTION specifies when
checkpoints are to be taken and which storage areas are to be shared by
different files. It also specifies information needed for efficient
transmission of data between external media and the COBOL program. This
paragraph is optional in a COBOL program.
- The keyword I-O-CONTROL may appear only once, at the beginning of the
paragraph. The word I-O-CONTROL must begin in Area A and must be
followed by a separator period.
- Each clause within the paragraph may be separated from the next clause by
a separator comma or a separator semicolon. The order in which
I-O-CONTROL paragraph clauses are written is not significant. The
I-O-CONTROL paragraph ends with a separator period.
- The I-O CONTROL paragraph has three formats:
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