| 2025-07-08 21:44:36 | menace | Set author to 'Zymox / ns', release date to 7 August 1989 |
| 2019-02-11 14:33:06 | menace | Set title to 'Operating', author to 'Zymox', release date to 1989 |
| 2017-06-07 13:36:53 | Asle | Added tag '4ch' |
| 2017-06-07 13:36:50 | Asle | Added tag 'mod' |
| 2017-06-07 13:36:44 | Asle | Added link ftp://ftp.modland.com/pub/modules/Protracker/Zymox/operating.mod |
| 2017-06-07 13:36:23 | Asle | Added production 'operating' |