History showed most servers and users went with EFnet.Once ANet disbanded, the name EFnet became meaningless, and once again it was the one and only IRC network.In wumpus' words again: "Eris refused to remove that line, so I formed EFnet.It wasn't much of a fight; I got all the hubs to join, and almost everyone else got carried along." A-net was formed with the eris servers, EFnet was formed with the non-eris servers.
which led various implementations of servers and clients to diverge.
The first part he implemented was the chat part, which he did with borrowed parts written by his friends Jyrki Kuoppala and Jukka Pihl.
The first IRC network was running on a single server named fi.
IRC was created by Jarkko Oikarinen in August 1988 to replace a program called MUT (Multi User Talk) on a BBS called Oulu Box at the University of Oulu in Finland, where he was working at the Department of Information Processing Science.
Jarkko intended to extend the BBS software he administered, to allow news in the Usenet style, real time discussions and similar BBS features.
Jarkko got in touch with people at the University of Denver and Oregon State University.