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how to know the process is no respond using ps -ef

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a208

a208

MIS
Oct 26, 2003
33
HK
Hi all,

How can I know the process job is no respond when I type ps -ef in Unix or Linux.

Thanks.
 
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Don't understand the "no respond" part of your question. Can you elaborate. (Perhaps it is me, but I've been working on Unix since the mid 80s version 7 days and I don't get your question).
eugene
 
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Do you mean the process has become a 'zombie'? IF that's the case it will probably be owned by init, uid 1.

I want to be good, is that not enough?
 
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The other reason is waiting on device.

pstack or ps -el

I think PRI is negative when waiting on I/O.

WCHAN will tell you what it is waiting for.

eugene
 
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