On Sat, Jun 15, 2002 at 06:32:07PM +0530, Vamsi Krishna K-RollNo.2000-134 wrote:
>
> when i press "ps -x" i can get the process list
>
> PID TTY STAT TIME COMMAND
> 1234 ? Z 0:04 [defunct a.out]
>
>
> iam trying to kill this process by typing "kill -9 1234"
>
> but the process is not getting killed.
>
> what does STAT flag indicate ?
> am i right by guessing Z as a Zombie.
>
---end quoted text---
You are dead right here. "Z" is for defunct process (zombie).
These are the state codes output by the ps command:
o D uninterruptible sleep (usually IO)
o R runnable (on run queue)
o S sleeping
o T traced or stopped
o Z a defunct ("zombie") process
AFAIK, you cannot kill a "Zombie" process. In any case, it does
not take up any memory and can be left alone ...
HTH
Bish
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