Sorts (in groups of)

A.  >
    tfs
    count empno by age in-groups-of 15
    end

    NUMBER OF RECORDS IN TABLE=    859   LINES=      5

    PAGE      1

          EMPNO
    AGE   COUNT
    ---   -----
     15     294
     30     364
     45     143
     60      57
     75       1

Note:  The first line shows there are 294 employees between the ages
of 15 and 29.



B.   >
     tfs
     count empno across age in-groups-of 10
     on table row-total
     end

     NUMBER OF RECORDS IN TABLE=       859 LINES=    1

     PAGE       1

     AGE
         10     20     30     40     50     60     70   TOTAL
     --------------------------------------------------------
         24    270    276    151     80     53      5     859

Note:  The first entry shows there are 24 emnloyees between the ages
of 10 ind 19.



C.   >
     tfs
     count emono across aqe in-groups-of 10
     if recordlimit is  10
     end

     NUMBER OF RECORDS IN TABLE=        10   LINES=    1

     PAGE     1

     AGE
        20      30     50     60
     ----------------------------
         2       6      1       1


NOTE:  Age 40 did not appear in the report, because there is no one in
       the first ten records between the ages of 40 and 49.