It was first deployed on OuluBox at the end of August 1988. He decided to improve MUT and the result was IRC. Jarkko was not satisfied with MultiUser Talk (MUT), the multi-user chat program that was currently in use on OuluBox. He was responsible for a Sun Unix server that the department ran on a public bulletin board system named OuluBox. Oikarinen was employed at the University’s Department of Information Processing Science in the summer of 1988.