when zombie process fully cleared?

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when zombie process fully cleared?..

Answer / vimal kumar k,technomenace.com

When the server gets restarted!

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when zombie process fully cleared?..

Answer / ajit mohan b

Do a ps and identify the zombie processes

# ps -el | grep 'Z'

Occasionally, these processes are in such a state that the
only way to get rid of them is to reboot to clear them.

In most cases, you can get rid of a zombie by normal means,
"kill -15 zombie PPID", "kill -9 zombie PPID".

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when zombie process fully cleared?..

Answer / naggy

kill -s SIGCHLD ppid

ppid = parent process ID

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when zombie process fully cleared?..

Answer / ashish

Zombie process are the ones for which its parent process
has lost track of.
You can view the zombie processes by using
ps -auwx | grep Z

And to kill them use
kill -9 pid

But normally this wont work. So we will first have to kill
its parent process. And to do this you can use

ps -l pid

to list the pid of the parent process(indicated by PPID)
and then use (kill -9 pid) to terminate it.
If in any case the parent process is the init(1) process
itself, then there is no other option than to reboot the
system.

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