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Which signal is used with kill command to terminate the process when they ignore the SIGTERM signal (15)?

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Which signal is used with kill command to terminate the process when they ignore the SIGTERM signal (15)?

(a) SIGTERM (16)

(b) SIGTERM(0)

(c) SIGKILL(9)

(d) -d

The question was asked in a national level competition.

Question is from Process Handling Commands topic in division The Process of Unix

1 Answer

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The correct answer is (c) SIGKILL(9)

The explanation: By default, the SIGTERM signal (15) is used by the kill command to terminate processes. But sometimes it may happen that some programs ignore it and continue their execution normally. In such a case, the process can be killed by using SIGKILL signal (9). For example, to kill a job with PID 134 use the following command:

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asked Jul 28, 2021 in Unix by Alexis (67.2k points)
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