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I want to make sure all directories and sub directories are of the group hgdata, but I do not want to change owner's (they are many different owners).

The command chown -R will do the recursive ownership change for me, but how do I use chown without the userid supplied?

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up vote 4 down vote accepted

Use the chgrp command instead.

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I just discovered you can do chown with an empty owner chown -R :group. But would definitely recommend doing chgrp instead of that :) – Alex Jun 7 '11 at 12:32

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