Full_Description

   When the /STATISTICS qualifier is used, Sort/Merge displays
   statistics in SYS$OUTPUT. You can use these statistics to
   judge the efficiency of the ordering operation and to determine
   adjustments that can improve its performance. To save these
   statistics in a file, specify the following command:

   $ DEFINE/USER SYS$ERROR output-file

   High-performance Sort/Merge: The high-performance Sort/Merge
   utility displays only the following statistics: Records read,
   Records sorted, Records output, and Input record length.

   The following statistical display results when you use the
   /STATISTICS qualifier:

                 OpenVMS Sort/Merge Statistics

Records read:        nnn             Input record length:       nnn
Records sorted:      nnn             Interna