z/OS UNIX System Services User's Guide
z/OS UNIX System Services User's Guide
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Using the ddname in an application z/OS UNIX System Services User's Guide SA23-2279-00 |
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Instead of using data set names or path names in an application,
you can use a ddname; then in the JCL, you associate a specific data
set or file with that ddname.
Note: The parent process's
allocations, for both data sets and files, are not propagated by fork() and are lost on exec(), except for STEPLIB.
You have a choice of two methods for accessing data sets and files
in an application:
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