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What does root:wheel mean in the following?

chown root:wheel myfile

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1 Answer 1

up vote 17 down vote accepted

root is a user (the super user) and wheel is a group (of super users I guess).

chown root:wheel myfile

means making myfile belong to the user root and the group wheel (read man chown for more information).

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wheel is typically the group with sudo rights (see this question) –  Michael Mrozek Sep 4 '10 at 14:28
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