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RLS parameter z/OS MVS JCL Reference SA23-1385-00 |
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Parameter type Keyword, optional Purpose You can, on a system that includes MVS/DFSMS Version 1 Release 3 or higher, use the RLS parameter to specify the level of record sharing, or sharing protocol, for a VSAM data set containing records that must be shared. See z/OS DFSMS Using Data Sets for a description of the sharing protocols and to determine whether your application can run in a shared data environment without modification. Note: RLS is most useful for an existing application. For
a new or heavily-modified application, you can request record-level
sharing in application code and do not need to specify RLS on the
DD statement.
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