Increases the number of Sort work files by any number from 1 to
    10 inclusively to make each work file smaller. If the available
    disks are too small or too full for work files, increasing the
    number of files can improve the efficiency of the sort operation.
    Use only with the SORT command.

    High-performance Sort/Merge: The high-performance Sort/Merge
    utility allows you to specify from 1 to 255 work files.

    Format

      /WORK_FILES=n