Catching SIGTERM Vs Catching SIGINT


Answer :

The accepted answer is wrong.

  1. From https://en.wikipedia.org/wiki/Unix_signal

SIGTERM The SIGTERM signal is sent to a process to request its termination... SIGINT is nearly identical to SIGTERM.

  1. The description around command kill is incorrect.

You can catch both of them and still be able to close the process with a SIGKILL - kill -9 pid

That's wrong. Again, from above wiki:

The SIGKILL signal is sent to a process to cause it to terminate immediately (kill). In contrast to SIGTERM and SIGINT, this signal cannot be caught or ignored, and the receiving process cannot perform any clean-up upon receiving this signal.

So, all in all,

SIGINT is nearly identical to SIGTERM.


From https://en.wikipedia.org/wiki/Unix_signal:

SIGINT is generated by the user pressing Ctrl+C and is an interrupt

SIGTERM is a signal that is sent to request the process terminates. The kill command sends a SIGTERM and it's a terminate

You can catch both SIGTERM and SIGINT and you will always be able to close the process with a SIGKILL or kill -9 [pid].


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