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Linux in a Nutshell, Fourth Edition by Aaron Weber, Stephen Figgins, Ellen Siever

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Name

chgrp

Synopsis

                  chgrp [options] newgroup 
                  files
                  chgrp [options]

Change the group of one or more files to newgroup. newgroup is either a group ID number or a group name located in /etc/group. Only the owner of a file or a privileged user may change the group.

Options

-c, --changes

Print information about files that are changed.

-f, --silent, --quiet

Do not print error messages about files that cannot be changed.

--help

Print help message and then exit.

-R, --recursive

Traverse subdirectories recursively, applying changes.

--reference= filename

Change the group to that associated with filename. In this case, newgroup is not specified.

-v, --verbose

Verbosely describe ownership changes.

--version

Print version information and then exit.

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