#R:sri-arpa:-1386200:bradley:3900004:000:231 bradley!brad Nov 29 20:04:00 1983 While this is not quite the same I know of a bug in some ports of 'csh' to micros ( maybe others, not on our PDP 11/44 ). The command is: % while 1 ? end What happens is the loop gets caught, and you can't break it. Brad Smith