If signalName-or-signalNumber is omitted, send SIGKILL .
'SAYSAY ' .... Next , list of Signals 'SAY'@pause'SAYSAY " SignalName Number Description"SAY " ------------------------ ------ -- ------------------------------ "
SAY " SIGHUP HUP -HUP 1 Hangup"
SAY " SIGINT INT -INT 2 Interrupt (Ctrl-C)"
SAY " SIGQUIT QUIT -QUIT 3 Quit"
SAY " SIGILL ILL -ILL 4 Illegal instruction"
SAY " SIGTRAP TRAP -TRAP 5 Single step " (debugging )
SAY " SIGABRT "
SAY " SIGEMT EMT -EMT 7 EMT instruction"
SAY " SIGFPE FPE -FPE 8 Floating point"
SAY " SIGKILL KILL -KILL 9 Kill process"
SAY " SIGBUS BUS -BUS 10 Bus error"
SAY " SIGSEGV SEGV -SEGV 11 Segmentation-fault"
SAY " SIGSYS SYS -SYS 12 Invalid argument-to-system-call"
SAY " SIGPIPE PIPE -PIPE 13 Broken pipe"
SAY " SIGALRM ALARM -ALARM 14 Alarm"
SAY " SIGTERM TERM -TERM 15 Termination, process-killed"
SAY" SIGUSR1 USR1 -USR1 16 User-defined signal #1"
SAY " SIGUSR2 USR2 -USR2 17 User-defined signal #2"
SAY " SIGCHLD CHILD -CHILD 18 Death of a child process"
SAY " SIGBREAK BREAK -BREAK 21 Break (Ctrl-Break)"