Answer Posted / mahesh

//STEP EXEC PGM=PRGM1
//DD01 DD DSN=DATA.SET.LIB,DISP=SHR

and if you want to override,then
you have to write like

//STEP.DD01 DD DSN=DATA.SET.OVERRIDE,DISP=SHR

This will override the dataset(data.set.lib)

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