chgrp

Change group ownership

'chgrp' changes the group ownership of each given File to Group (which can be either a group name or a numeric group id) or to the group of an existing reference file.

SYNTAX
      chgrp [Options]... {Group | --reference=File} File...

KEY

`-c'
`--changes'
     Verbosely describe the action for each File whose group actually
     changes.

`-f'
`--silent'
`--quiet'
     Do not print error messages about files whose group cannot be
     changed.

`-f'
`--no-dereference'
     Act on symbolic links themselves instead of what they point to.
     Only available if the `lchown' system call is provided.

`--reference=FILE'
     Use the group of the reference FILE instead of an explicit GROUP.

`-v'
`--verbose'
     Verbosely describe the action or non-action taken for every File.

`-R'
`--recursive'
     Recursively change the group ownership of directories and their
     contents.

Example

Make Oracle the owner of the database directory
$chgrp oracle /usr/database

Groupthink - Tendency of decision makers to join together around a policy or person without questioning basic assumptions.

Related Linux Bash commands:

chmod - Change access permissions
chown - Change file owner and group

Windows equivalent commands:

ATTRIB - Change file attributes
CACLS - Change file permissions
XCACLS - Change file permissions