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 chown(1)                                                           chown(1)




 NAME    [Toc]    [Back]
      chown, chgrp - change file owner or group

 SYNOPSIS    [Toc]    [Back]
      chown [-h] [-R] owner[:group] file ...

      chgrp [-h] [-R] group file ...

 DESCRIPTION    [Toc]    [Back]
      The chown command changes the owner ID of each specified file to owner
      and optionally the group ID of each specified file to group.

      The chgrp command changes the group ID of each specified file to
      group.

      owner can be either a decimal user ID or a login name found in the
      /etc/passwd file.

      group can be either a decimal group ID or a group name found in the
      /etc/group file.

      In order to change the owner or group, you must own the file and have
      the CHOWN privilege (see setprivgrp(1M)).  If either command is
      invoked on a regular file by other than the superuser, the set-user-ID
      and set-group-ID bits of the file mode (04000 and 02000 respectively)
      are cleared.  Note that a given user's or group's ability to use this
      command can be restricted by setprivgrp (see setprivgrp(1M)).

    Access Control Lists - HFS File Systems Only    [Toc]    [Back]
      Users can permit or deny specific individuals and groups to access a
      file by setting optional ACL entries in the file's access control list
      (see acl(5)).  When using chown in conjunction with HFS ACLs, if the
      new owner and/or group of a file does not have an optional ACL entry
      corresponding to user.% and/or %.group in the file's access control
      list, the file's access permission bits remain unchanged.  However, if
      the new owner and/or group is already designated by an optional ACL
      entry of user.% and/or %.group in the file's ACL, chown sets the
      corresponding file access permission bits (and the corresponding base
      ACL entries) to the permissions contained in that entry.

    Access Control Lists - JFS File Systems Only    [Toc]    [Back]
      Users can permit or deny specific individuals and groups to access a
      file by setting optional ACL entries in the file's access control list
      (see aclv(5)).  When using chown in conjunction with JFS ACLs, if the
      new owner and/or group of a file have optional ACL entries
      corresponding to user:uid:perm and/or group:gid:perm in the file's
      access control list, those entries remain in the ACL but no longer
      have any effect, being superseded by the file's user::perm and/or
      group::perm entries.





 Hewlett-Packard Company            - 1 -   HP-UX 11i Version 2: August 2003






 chown(1)                                                           chown(1)




    Options    [Toc]    [Back]
      chown and chgrp recognize the following options:

           -h   Change the owner or group of a symbolic link.

                By default, the owner or group of the target file that a
                symbolic link points to is changed.  With -h, the target
                file that the symbolic link points to is not affected.  If
                the target file is a directory, and you specify -h and -R,
                recursion does not take place.

           -R   Recursively change the owner or group.  For each file
                operand that names a directory, the owner or group of the
                directory and all files and subdirectories in the file
                hierarchy below it are changed.

 EXTERNAL INFLUENCES    [Toc]    [Back]
    Environment Variables
      LC_MESSAGES determines the language in which messages are displayed.

      If LC_MESSAGES is not specified in the environment or is set to the
      empty string, the value of LANG is used as a default for each
      unspecified or empty variable.  If LANG is not specified or is set to
      the empty string, a default of "C" (see lang(5)) is used instead of
      LANG.

      If any internationalization variable contains an invalid setting,
      chown behaves as if all internationalization variables are set to "C".
      See environ(5).

    International Code Set Support    [Toc]    [Back]
      Single- and multi-byte character code sets are supported.

 RETURN VALUE    [Toc]    [Back]
      chown and chgrp return the following values:

            0   Successful completion.
           >0   An error condition occurred.

 EXAMPLES    [Toc]    [Back]
      The following command changes the owner of the file jokes to sandi:

           chown sandi jokes

      The following command searches the directory design_notes and changes
      each file in that directory to owner mark and group users:

           chown -R mark:users design_notes

 WARNINGS    [Toc]    [Back]
      The default operation of chown and chgrp for symbolic links has



 Hewlett-Packard Company            - 2 -   HP-UX 11i Version 2: August 2003






 chown(1)                                                           chown(1)




      changed as of HP-UX release 10.0.  Use the -h option to get the former
      default operation.

 FILES    [Toc]    [Back]
      /etc/group
      /etc/passwd

 SEE ALSO    [Toc]    [Back]
      chmod(1), setprivgrp(1M), chown(2), group(4), passwd(4), acl(5),
      aclv(5).

 STANDARDS CONFORMANCE    [Toc]    [Back]
      chown: SVID2, SVID3, XPG2, XPG3, XPG4, POSIX.2

      chgrp: SVID2, SVID3, XPG2, XPG3, XPG4, POSIX.2


 Hewlett-Packard Company            - 3 -   HP-UX 11i Version 2: August 2003
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