Kill a process

I have done ps-ef  and found a particular process I need to kill.

gsmprodn 16476  9527  0 14:57:06 pts/1     0:00 grep wrapper.sh

How do I know which is the parent PID and which is the child, and which one should I kill?
stummjAsked:
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woolmilkporcCommented:
Hi,
in your above example you didn't find any process except for your own 'grep'.
Rather use ps -ef | grep wrapper.sh | grep -v grep
The number in the second column (the one following the userid) is the process id. The number in the following, third column is the parent process id.
Which one to kill depends on what you're trying to achieve. Normally one would kill the actual process and not the parent!
wmp
 
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stummjAuthor Commented:
LOL - thats annoying. I cant see the process then!
And I know its running as there are files being produced. I guess its the processes inside the wrapper I need to look for
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stummjAuthor Commented:
Yes - that has sorted it
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Kerem ERSOYPresidentCommented:
In the PS -ef output the seconnd column is the pid (process ID) and third column is ppid (parent process ID). You can see the headers too with this command:

ps -aef | egrep -E "^U|wrapper.sh" | grep -v grep

Will show you columns with the heading.

If you want to do a kill then you would use the command:

ps -aef | grep wrapper.sh | grep -v grep | xargs kill -9 $(awk '{ print $3 }')

to kill tehe parent while

ps -aef | grep wrapper.sh | grep -v grep | xargs kill -9 $(awk '{ print $2 }')

Will kill the process (in this case wrapper.sh).

Cheers,
K.
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