2 ms·http://www.catb.org/~esr/jargon/html/M/MUD.html http://www.catb.org/~esr/jargon/html/M/MUD.htmlby nzmsv 5y agohttp://www.catb.org/~esr/jargon/html/M/MUD.html http://www.catb.org/~esr/jargon/html/M/MUD.html