MS-Credits, as well as awarding users for posting and responding, can
be used to lock your UD/Base/P-Files until a user posts or responds
or has a posts/responses:byte ratio better than what you specify.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 3119    7862  39.7% -lh5- 77c2 Oct 28  1994 +credits.doc
[generic]                 1425    3399  41.9% -lh5- 811f Jun 12  1993 +Pleech.doc
[generic]                  460    1151  40.0% -lh5- 4be5 Oct 28  1994 credits.data
[generic]                 7036   11356  62.0% -lh5- 752a Oct 28  1994 creditsclose
[generic]                  259     630  41.1% -lh5- 2e81 Oct 28  1994 MS-Credits_62.doc
[generic]                 8414   13384  62.9% -lh5- 74c4 Oct 28  1994 pcredits
[generic]                 8239   13040  63.2% -lh5- 6fd3 Oct 28  1994 pleech
[generic]                 8418   13372  63.0% -lh5- 2b43 Oct 28  1994 rcredits
[generic]                  557    3803  14.6% -lh5- e950 Oct 28  1994 WARES!.displayme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files   37927   67997  55.8%            Sep  7  1995