CNet's sysdata:subboards3 file grows when you add a subboard but does
not shrink when you delete one. This program can do the job for you,
very useful when lots of leftover subboards bloat your subboardfile
by several 100KB.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  267     455  58.7% -lh5- ab4e Jan 17  1997 CleanSubboards.readme
[generic]                 2332    3640  64.1% -lh5- 9a9c Jan 17  1997 cleansubboards/cleansubboards
[generic]                 1324    2574  51.4% -lh5- d753 Jan 17  1997 cleansubboards/cleansubboards.doc
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         3 files    3923    6669  58.8%            Jan 18  1997