Edit: URL changed from https://en.wikipedia.org/wiki/Norton_Commander.
This is probably too well-known a topic to justify a generic Wikipedia link. There are better articles available - for example, http://www.softpanorama.org/OFM/Paradigm/Ch03/norton_command..., which can be found either by web search or HN search. Perhaps we'll swap that URL in.
This issue with Wikipedia submissions has been coming up a lot lately. Recent explanations:
https://news.ycombinator.com/item?id=23249978
https://news.ycombinator.com/item?id=23239405
https://news.ycombinator.com/item?id=22990237