Describe the DD statement, its meaning, syntax a

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Describe the DD statement, its meaning, syntax and keywords?

The DD statement links the external dataset name (DSN) to the DDNAME coded within the executing program. It links the file names within the program code to the file names know to the MVS operating system. The syntax is // DDname DD DSN = dataset name. Other keywords after DSN are DISP, DCB, SPACE, etc.

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