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kill
Sends a signal to a process, usually related to stopping the process.
All signals except for SIGKILL and SIGSTOP can be intercepted by the process to perform a clean exit.
More information.
- Terminate a program using the default SIGTERM (terminate) signal:
kill {process_id}
- List available signal names (to be used without the `SIG` prefix):
kill -l
- Terminate a background job:
kill %{job_id}
- Terminate a program using the SIGHUP (hang up) signal. Many daemons will reload instead of terminating:
kill -{1|HUP} {process_id}
- Terminate a program using the SIGINT (interrupt) signal. This is typically initiated by the user pressing `Ctrl + C`:
kill -{2|INT} {process_id}
- Signal the operating system to immediately terminate a program (which gets no chance to capture the signal):
kill -{9|KILL} {process_id}
- Signal the operating system to pause a program until a SIGCONT ("continue") signal is received:
kill -{17|STOP} {process_id}
- Send a `SIGUSR1` signal to all processes with the given GID (group id):
kill -{SIGUSR1} -{group_id}
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