
DD Statement Overview
6-2 User Reference
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Use Pursuant to Company Instructions
DD Statements
DD Statement Overview
Description All dataset definition (DD) statements follow the same format. The
identifying characters are * //, which must be specified in columns 1
through 4. These are followed immediately by the DD name.
Syntax The following provides an example of a DD statement syntax.
* //ddname DD parameter-expressions
Definitions The following provides definitions for the parameters you can use with a
DD statement syntax.
Parameter Definition
ddname Specifies the logical name for the
dataset and performs the same function
as the DTF filename. The ddname
must begin in column 5.
DD Identifies this as a DD JCL statement.
At least one blank is required
immediately before and immediately
after DD operation code. Do not use the
DD operation code in continuation
statements.
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