>>>[deen at utopia.rutgers.edu wants to lock the terminal] >>[weisen at eniac.seas.upenn.edu suggests using signal() instead of ioctl()] >[gaynor at sparky.rutgers.edu notes that SIGKILL/SIGSTOP can't be trapped] Irrelevant, since those signals can't be generated from the keyboard. Karl W. Z. Heuer (karl at kelp.ima.isc.com or ima!kelp!karl), The Walking Lint