Questions tagged [sigkill]

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What does a program do when it's sent SIGKILL signal?

When I used killall -9 name to kill a program, the state become zombie. Some minutes later, it stopped really. So, what's happening during those minutes?
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Must SIGKILL (and SIGTERM) be explicitly sent to a specified process?

Reading Gilles' answer, SIGHUP is about the same as SIGTERM in terms of harshness, but it has a specific role because it's automatically sent to applications running in a terminal when the user ...