CHGRP
Section: User Commands (1)
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BSD mandoc
BSD 4.2
NAME
chgrp
- change group
SYNOPSIS
[-R
[-H | -L | -P
]
]
[-fh
]
group
files ...
DESCRIPTION
The
utility sets the group ID of the file named by each
file
operand to the
group
ID specified by the group operand.
Options:
- -H
-
If the
-R
option is specified, symbolic links on the command line are followed.
(Symbolic links encountered in the tree traversal are not followed.)
- -L
-
If the
-R
option is specified, all symbolic links are followed.
- -P
-
If the
-R
option is specified, no symbolic links are followed.
- -R
-
Change the group ID for the file hierarchies rooted
in the files instead of just the files themselves.
- -f
-
The force option ignores errors, except for usage errors and doesn't
query about strange modes (unless the user does not have proper permissions).
- -h
-
If
file
is a symbolic link, the group of the link is changed.
If
-h
is not given, unless the
-H
or
-L
option is set,
on a symbolic link always succeeds and has no effect.
The
-H
-L
and
-P
options are ignored unless the
-R
option is specified.
In addition, these options override each other and the
command's actions are determined by the last one specified.
The
group
operand can be either a group name from the group database,
or a numeric group ID.
If a group name is also a numeric group ID, the operand is used as a
group name.
The user invoking
must belong to the specified group and be the owner of the file,
or be the super-user.
Unless invoked by the super-user,
clears the set-user-id and set-group-id bits on a file to prevent
accidental or mischievous creation of set-user-id or set-group-id
programs.
The
utility exits 0 on success, and >0 if an error occurs.
FILES
- /etc/group
-
Group ID file
SEE ALSO
chown(2),
lchown(2),
fts(3),
group(5),
passwd(5),
symlink(7),
chown(8)
STANDARDS
The
utility is expected to be POSIX 1003.2 compatible.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- FILES
-
- SEE ALSO
-
- STANDARDS
-
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Time: 04:29:52 GMT, April 24, 2025