| Abbreviation | Definition |
|---|---|
| SIGABRT | signal: abort |
| SIGALRM | signal: alarm clock |
| SIGBUS | signal: bus error |
| SIGCHLD | signal: (exit of a) child |
| SIGCHLD | SIGnal: CHiLD exit |
| SIGCONT | signal: continue |
| SIGEMT | signal: EMT instruction |
| SIGFPE | signal: floating point exception |
| SIGHUP | signal: hangup |
| SIGHUP | SIGnal: Hang-UP |
| SIGILL | signal: illegal instruction |
| SIGINT | signal: interruption |
| SIGIO | signal: input/output (possible or completed) |
| SIGSEGV | signal: segmentation violation |
| SIGSYS | signal: (bad argument to) system call |
| SIGSYS | SIGnal: SYStem call bad argument |
| SIGTERM | signal: terminate |
| SIGTSTP | Signal: terminal stop |
| SIGTTIN | signal: TTY input |
| SIGTTOU | signal: TTY output |