[[imageImage:K-os.jpg|thumb|K-OS of HJT in the early 90s]]
'''K-OS''' (Andreas Erler) from Isny (Germany) was a swapper of the german CPC scene. He also managed a huge public domain library.
==Groups==
* [[BENG!|BENG!]]* [[HJT|HJT]]
[[Category:CPC scene membersCPC_scene_members]]