Linux Signals
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Internal
Signals
SIGHUP (1)
POSIX. Hangup.
SIGINT (2)
SIGQUIT (3)
SIGILL (4)
SIGTRAP (5)
SIGFPE (8)
SIGKILL (9)
POSIX. Kill the process. The signal cannot be caught or ignored.
SIGUSR1 (10)
SIGSEGV (11)
SIGUSR2 (12)
SIGPIPE (13)
SIGALRM (14)
SIGTERM (15)
SIGSTKFLT (16)
SIGCHLD (17)
SIGCONT (18)
SIGSTOP (19)
POSIX. Stop executing. The signal cannot be caught or ignored.