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Various Signals under Unix

Different versions of Unix use different names and/or numbers for some of the lesser used signals. See the signal(7) man-page. You can find the signals and numbers used on a Linux system in /usr/include/bits/signum.h, or in the POSIX standard.

A more portable (and useful) approach is

kill -l

  1. SIGHUP
  2. SIGINT
  3. SIGQUIT
  4. SIGILL
  5. SIGTRAP
  6. SIGABRT
  7. SIGBUS
  8. SIGFPE
  9. SIGKILL
  10. SIGUSR1
  11. SIGSEGV
  12. SIGUSR2
  13. SIGPIPE
  14. SIGALRM
  15. SIGTERM
  16. SIGSTKFLT
  17. SIGCHLD
  18. SIGCONT
  19. SIGSTOP
  20. SIGTSTP
  21. SIGTTIN
  22. SIGTTOU
  23. SIGURG
  24. SIGXCPU
  25. SIGXFSZ
  26. SIGVTALRM
  27. SIGPROF
  28. SIGWINCH
  29. SIGIO
  30. SIGPWR
  31. SIGSYS

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