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chgrp [options ] newgroup files

Change the ownership of one or more files to newgroup . newgroup is either a group ID number or a group name located in /etc/group . You must own the file or be a privileged user to succeed with this command.



Force error messages to be suppressed.


Change the group on symbolic links. Normally, chgrp acts on the file referenced by a symbolic link, not on the link itself. (This option is not necessarily available on all Unix systems.)


Recursively descend through the directory, including subdirectories and symbolic links, setting the specified group ID as it proceeds.

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