Sorting type: Most visited Most visited Alphabetical | This category is for all items related to the Tenex operating system. Pages in category "Tenex" “ Creeper was possibly one of the first programs that resembled a computer virus. It ran on the... Creeper “ Reaper is a nematode on the Tenex OS. It is the first nematode. Reaper replicates itself if... Reaper Subcategories “ This category is for any worm that runs on the Tenex operating system. Tenex worm Retrieved from "http://malware.wikia.com/wiki/Category:Tenex?oldid=5064"