An adventure writing system, as described in the May 1987 issue of Byte
magazine.  Advsys is a special purpose programming language that was
specifically designed to be used to write computer text adventure games.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                11429   21964  52.0% -lh5- a7df Jul  7  1987 AdvSys/advcom
[generic]                 9123   17260  52.9% -lh5- 60a0 Jul  7  1987 AdvSys/advint
[generic]                 8015   28851  27.8% -lh5- 0f6c Jul  7  1987 AdvSys/advsys.doc
[generic]                 2895   12637  22.9% -lh5- 5cf2 Jul  7  1987 AdvSys/objects.adi
[generic]                 1279    4206  30.4% -lh5- ff6b Jul  7  1987 AdvSys/osample.adv
[generic]                 2754    6015  45.8% -lh5- 5ad2 Jul  7  1987 AdvSys/osample.dat
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         6 files   35495   90933  39.0%            Jul  6  1987