If you study or work at Linköping University and Institute of Technology, you may join Lysator. All you'll have to do is pay the annual fee of 192 Swedish kronor to postal giro account 88 56 69-2 (Do not forget to fill in your name) and you'll get your own accout on Lysator's computers.
Lysator was founded the 29th of March in 1973, and is the oldest university computer society in Sweden.
If you want a list of all people currently logged on at Lysator, we provide that service over the World Wide Web as well.