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Passed or Temporary Data Sets and SUBSYS

Dynamic allocation (SVC 99) does not support PASS. Specifying a fully resolved temporary data set name with SVC 99 results in a permanent data set. For these reasons, you must use the associated ddname feature to specify either of these data set types when you code SUBSYS. If you do not use the associated ddname feature in these cases, passed data sets are considered permanent and kept, and they can be left on the volume when the job ends. Since PASS is not supported, the passed data set is not found by job steps that follow.

Although temporary data sets are not supported for PST, PST fully supports PASS for permanent data sets.