add confSORT_QUEUE_BY_HOST and confBROKEN_SMTP_PEERS

[unix-history] / usr / src / usr.sbin / chown / chown.8

diff --git a/usr/src/usr.sbin/chown/chown.8 b/usr/src/usr.sbin/chown/chown.8
index f959974..41cae8a 100644 (file)
--- a/usr/src/usr.sbin/chown/chown.8
+++ b/usr/src/usr.sbin/chown/chown.8
@@ -1,66 +1,123 @@
-.\" Copyright (c) 1990 The Regents of the University of California.
-.\" All rights reserved.
+.\" Copyright (c) 1990, 1991, 1993, 1994
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\" %sccs.include.redist.man%
 .\"
 .\"
 .\" %sccs.include.redist.man%
 .\"

-.\"    @(#)chown.8     6.4 (Berkeley) %G%
+.\"     @(#)chown.8    8.3 (Berkeley) %G%

 .\"
 .\"

-.TH CHOWN 8 ""
-.UC 4
-.SH NAME
-chown \- change file owner and group
-.SH SYNOPSIS
-.nf
-.ft B
-chown [-Rf] [owner][:group] file ...
-.SH DESCRIPTION
-.I Chown
+.Dd 
+.Dt CHOWN 8
+.Os BSD 4
+.Sh NAME
+.Nm chown
+.Nd change file owner and group
+.Sh SYNOPSIS
+.Nm chown
+.Oo
+.Fl R
+.Op Fl H | Fl L | Fl P
+.Oc
+.Op Fl f
+.Ar owner Op Ar :group
+.Ar file ...
+.Nm chown
+.Oo
+.Fl R
+.Op Fl H | Fl L | Fl P
+.Oc
+.Op Fl f
+.Ar :group
+.Ar file ...
+.Sh DESCRIPTION
+.Nm Chown

 sets the user ID and/or the group ID of the specified files.
 sets the user ID and/or the group ID of the specified files.

-.PP
+.Pp

 The options are as follows:
 The options are as follows:

-.TP
--R
+.Bl -tag -width Ds
+.It Fl H
+If the
+.Fl R
+option is specified, symbolic links on the command line are followed.
+(Symbolic links encountered in the tree traversal are not followed.)
+.It Fl L
+If the
+.Fl R
+option is specified, all symbolic links are followed.
+.It Fl P
+If the
+.Fl R
+option is specified, no symbolic links are followed.
+.It Fl R

 Change the user ID and/or the group ID for the file hierarchies rooted
 in the files instead of just the files themselves.
 Change the user ID and/or the group ID for the file hierarchies rooted
 in the files instead of just the files themselves.

-.TP
--f
+.It Fl f

 Don't report any failure to change file owner or group, nor modify
 the exit status to reflect such failures.
 Don't report any failure to change file owner or group, nor modify
 the exit status to reflect such failures.

-.PP
+.El
+.Pp
+Symbolic links don't have owners, so unless the
+.Fl H
+or 
+.Fl L 
+option is set,
+.Nm chown
+on a symbolic link always succeeds and has no effect.

 The
 The

-.I owner
+.Fl H ,
+.Fl L

 and
 and

-.I group
-operands are both optional, but at least one must be specified; if
-the group operand is specified, it must be preceded by a colon (``:'')
-character.
-.PP
+.Fl P
+options are ignored unless the
+.Fl R
+option is specified.
+In addition, these options override each other and the
+command's actions are determined by the last one specified.
+.Pp

 The
 The

-.I owner
-should be either a numeric user ID or a user name.
+.Ar owner
+and
+.Ar group
+operands are both optional, however, one must be specified.
+If the
+.Ar group
+operand is specified, it must be preceded by a colon (``:'') character.
+.Pp
+The
+.Ar owner
+may be either a numeric user ID or a user name.

 If a user name is also a numeric user ID, the operand is used as a
 user name.
 The
 If a user name is also a numeric user ID, the operand is used as a
 user name.
 The

-.I group
-should be either a numeric group ID or a group name.
+.Ar group
+may be either a numeric group ID or a group name.

 If a group name is also a numeric group ID, the operand is used as a
 group name.
 If a group name is also a numeric group ID, the operand is used as a
 group name.

-.PP
-Only the super-user may change the owner of a file in order to
-simplify accounting procedures and to prevent the circumvention
-of system security.
-.PP
-The owner and group of symbolic links are themselves changed instead
-of the file to which the link points.
-.PP
+.Pp
+The ownership of a file may only be altered by a super-user for
+obvious security reasons.
+.Pp

 The
 The

-.I chown
+.Nm chown

 utility exits 0 on success, and >0 if an error occurs.
 utility exits 0 on success, and >0 if an error occurs.

-.SH COMPATIBILITY
+.Sh COMPATIBILITY

 Previous versions of the
 Previous versions of the

-.I chown
+.Nm chown

 utility used the dot (``.'') character to distinguish the group name.
 This has been changed to be a colon (``:'') character so that user and
 group names may contain the dot character.
 utility used the dot (``.'') character to distinguish the group name.
 This has been changed to be a colon (``:'') character so that user and
 group names may contain the dot character.

-.SH "SEE ALSO"
-chgrp(1), find(1), chown(2)
+.Pp
+Previous versions of the
+.Nm chown
+utility changed the owner of symbolic links specified on the command
+line.
+In this system, symbolic links do not have owners.
+.Sh SEE ALSO
+.Xr chgrp 1 ,
+.Xr find 1 ,
+.Xr chown 2 ,
+.Xr fts 3 ,
+.Xr symlink 7
+.Sh STANDARDS
+The
+.Nm chown
+command is expected to be POSIX 1003.2 compliant.