RMS DFMBC

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RMS_DFMBC is a system parameter that specifies a default multiblock count only for record I/O operations, where count is the number of blocks to be allocated for each I/O buffer. You can set this system parameter with the DCL command SET RMS_ DEFAULT/SYSTEM and display the parameter with the SHOW RMS_ DEFAULT command. RMS_DFMBC is an AUTOGEN and DYNAMIC parameter.

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