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VSAM Access Method Services (MFJAMS)

It provides the following management services for VSAM key-sequenced data sets (KSDS), entry-sequenced data sets (ESDS) and relative-record data sets (RRDS).

You can use some of these services for sequential data sets, partitioned data sets and generation data groups. All abbreviations of these commands and their parameters that are valid on the mainframe are supported by MFJAMS.

You can execute MFJAMS via a JCL jobstream or REXX exec.

For more information on VSAM access method services, see the IBM manual DFSMS/MVS Access Method Services for VSAM, SC26-4905.

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