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 match the same group as 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:

chmod
- Change access permissions
chown - Change file owner and group
bash syntax - Permissions
Equivalent Windows command: CACLS - Change file permissions


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