Editing UNIX Signals

This list was taken from <sys/signal.h> on FreeBSD 7.1-RELEASE, but should be common to any POSIX system

* SIGHUP   ''(hangup)''
* SIGINT   ''(interrupt)''
* SIGQUIT  ''(quit)''
* SIGILL   ''(illegal instruction)''
* SIGTRAP  ''(trace trap)''
* SIGABRT  ''(abort())'
* SIGIOT   ''(another name for SIGABRT; for compatibility)''
* SIGEMT   ''(EMT instruction)''
* SIGFPE   ''(floating point exception)''
* SIGKILL  ''(kill - cannot be caught or ignored - of the infamous 'kill -9')''
* SIGBUS   ''(bus error)''
* SIGSEGV  ''(segmentation violation / segfault)''
* SIGSYS   ''(non-existent system call invoked)''
* SIGPIPE  ''(write on a pipe with no one to read it)''
* SIGALRM  ''(alarm clock)''
* SIGTERM  ''(software termination signal; use this before SIGKILL)''
* SIGURG   ''(urgent condition on IO channel)''
* SIGSTOP  ''(sendable stop signal NOT from TTY)''
* SIGTSTP  ''(stop signal from tty)''
* SIGCONT  ''(continue a stopped process)''
* SIGCHLD  ''(to parent, on child stop or exit)''
* SIGTTIN  ''(to readers process group upon background tty read)''
* SIGTTOU
* SIGIO    ''(input/output possible signal)''
* SIGXCPU  ''(exceeded CPU time limit)''
* SIGXFSZ  ''(exceeded file size limit)''
* SIGVTALRM ''(virtual time alarm)''
* SIGPROF  ''(profiling time alarm)''
* SIGWINCH ''(window size changes)''
* SIGINFO  ''(information request)''
* SIGUSR1  ''(user defined signal 1)''
* SIGUSR2  ''(user defined signal 2)''
* SIGTHR   ''(reserved by threading library)''