What is the best way to kill Zombie processes and D state process by single command.
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Double tap. Actually, reboot. There's no real way to easily get rid of a zombie, but there's really no reason to because a zombie isn't taking up resources on the computer; it's an orphaned entry in a process table. Init is supposed to collect it but something went wrong with the process. http://en.wikipedia.org/wiki/Zombie_process Perhaps you're asking because there's worse problem...are you getting a boatload of zombies roaming your process table? That usually means a bug in the program or a problem with a configuration. You shouldn't have a huge number of zombies on the system. One or two I don't worry. If you have fifty of them from Apache or some other daemon, you probably have a problem. But that's not directly related to your question... | |||||
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/sbin/reboot You can't kill a zombie - its already dead If the ppid still exists, then terminating that can often clean up the spawned zombies. You shouldn't be killing processes in uninterruptible sleep - usually this means they're i/o bound, but IIRC it can also occur during a blocking read from e.g. a network socket. | |||
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