UNIQUE FROM(DATAIN)  ON(20,40,CH)
    UNIQUE FROM(DATAIN)  ON(5,3,ZD)

The first UNIQUE operator prints a message containing the count of unique character data in positions 20-59 of the DATAIN data set.

The second UNIQUE operator prints a message containing the count of unique zoned decimal values in positions 5-7 of the DATAIN data set.