z/OS MVS JCL Reference
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z/OS MVS JCL Reference

Any attributes obtained using the LIKE parameter override the corresponding attributes in the DATACLAS parameter.

Any attributes you specify on the same DD statement with the following parameters override the corresponding attributes obtained from the model data set.
  • AVGREC (record request and space quantity)
  • DSNTYPE (type, PDS, PDSE, basic format, extended format, large format, or HFS)
  • KEYLEN (key length)
  • KEYOFF (key offset)
  • LRECL (record length)
  • RECORG (record organization) or RECFM (record format)
  • SPACE (average record length, primary, secondary, and directory quantity)

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