UI will update "Age" column (number of weeks) in AmiNet INDEX file once a week.
It will add +1 on every 'week' number, so Your INDEX list stay updated. When
You don't update Your list for 4-5 months... It's terrible! :)

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 8487   13320  63.7% -lh5- a477 Apr 22  1996 ui
[generic]                 2717    6169  44.0% -lh5- bb05 Apr 22  1996 UI.guide
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         2 files   11204   19489  57.5%            Apr 23  1996