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I was not sure if I am running named. So I did the following:

$ ps aux | grep named  
root      6613  0.0  0.0  13588   920 pts/2    S+ 23:12   0:00 grep --color=auto named

what this output exactly means?

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up vote 3 down vote accepted

This means that no named process was running. The reason why grep shows up is because it was executing while ps was started. To add headers, and avoid adding grep to the output, use:

$ ps u -C named

As you can see, I do not have named running. You can add the h option to hide this header as in:

$ ps uh -C named
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thank you very much – where_is_tftp May 6 '13 at 22:38

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