Terminal control characters for C-shell ^h, backspace erase previously typed character ^u erase entire line of input so far typed ^d end-of-input for programs reading from terminal ^s stop printing on terminal ^q continue printing on terminal ^z suspend currently running job; restart with bg or fg DEL, ^c kill currently running program and allow clean-up before exiting ^\ emergency kill of currently running program with no chance of cleanup Also see a list of special characters that should not be used in filenames. Login and authentication login access computer; start interactive session ...