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Asked: 2026-05-24T20:30:25+00:00

I am having a really hard time hiding console messages from my shells (ksh)

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I am having a really hard time hiding console messages from my shells (ksh) script which I run in the background.

I have tried moving it to /dev/null but it doesn’t seem to be working. Here is the line in the script:

pid=`/usr/local/bin/lsof | grep 16752 | grep LISTEN |awk '{print $2}'` > /dev/null 2>&1

Example after I have kicked off the script:

$ lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.
lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.

$ ls -lsof: WARNING: /home2/s499929/.lsof_ktazd2250 was updated.

Any ideas on what I am missing?

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1 Answer

  1. Editorial Team

    /usr/local/bin/lsof 2>/dev/null | grep 16752 | grep LISTEN |awk '{print $2}'

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