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| Signal | Description |
| SIGABRT | Process aborted |
| SIGALRM | Signal raised by alarm |
| SIGBUS | Bus error: "access to undefined portion of memory object" |
| SIGCHLD | Child process terminated, stopped (or continued*) |
| SIGCONT | Continue if stopped |
| SIGFPE | Floating point exception: "erroneous arithmetic operation" |
| SIGHUP | Hangup |
| SIGILL | Illegal instruction |
| SIGINT | Interrupt |
| SIGKILL | Kill (terminate immediately) |
| SIGPIPE | Write to pipe with no one reading |
| SIGQUIT | Quit and dump core |
| SIGSEGV | Segmentation violation |
| SIGSTOP | Stop executing temporarily |
| SIGTERM | Termination (request to terminate) |
| SIGTSTP | Terminal stop signal |
| SIGTTIN | Background process attempting to read from tty ("in") |
| SIGTTOU | Background process attempting to write to tty ("out") |
| SIGUSR1 | User-defined 1 |
| SIGUSR2 | User-defined 2 |
| SIGPOLL | Pollable event |
| SIGPROF | Profiling timer expired |
| SIGSYS | Bad syscall |
| SIGTRAP | Trace/breakpoint trap |
| SIGURG | Urgent data available on socket |
| SIGVTALRM | Signal raised by timer counting virtual time: "virtual timer expired" |
| SIGXCPU | CPU time limit exceeded |
| SIGXFSZ | File size limit exceeded |
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