chgrp Command
  
  
  Purpose
  
  Changes the group ownership of a file or directory.
  
   Syntax
  
  chgrp [  -f ] [  -R ] Group { File ... | Directory ... }
  
  Description
  
  The chgrp command changes the group associated with the specified
  file or directory to the specified group name or group ID number.
  
  Flags
  
  -f	Suppresses all error reporting.
  
  -R	Causes the chgrp command to descend recursively through its
  directory  arguments,  setting the specified group ID.  When sym-
  bolic links are encountered,  the  group ownership of the file or
  directory  pointed  to by the link is changed.  The ownership  of
  the symbolic link  is  not  changed  and  the  directory  is  not
  traversed.
  
  Examples
  
  To change the group ownership of the file or directory named
  proposals to staff:
  
  chgrp staff proposals
  
  The group access permissions for proposals now apply to the staff
  group.
  
  Implementation Specifics
  
  This command is part of Base Operating System (BOS) Runtime.
  
  Files
  
  /usr/bin/chgrp	The chgrp command.
  
  /etc/group	File that identifies all known groups.
  
  Related Information
  
  The  groups command,  chown command.
  
  The  chown, fchown, chownx, or fchownx subroutine.
  
   Understanding File and Directory Access Modes in AIX Version 3.2
  System Management Guide: Operating System and Devices introduces
  file ownership and permissions to access files and directories.
  
   Security Introduction in AIX Version 3.2 System Management
  Guide: Operating System and Devices describes system security.