X-Git-Url: https://git.saurik.com/apple/file_cmds.git/blobdiff_plain/44a7a5ab64e9df65e241260d76d3dac1160b3360..refs/heads/master:/chown/chown.8?ds=sidebyside

diff --git a/chown/chown.8 b/chown/chown.8
index 6e8065e..3455497 100644
--- a/chown/chown.8
+++ b/chown/chown.8
@@ -29,43 +29,53 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     from: @(#)chown.8	8.3 (Berkeley) 3/31/94
-.\"	$NetBSD: chown.8,v 1.11 1998/10/05 21:37:38 kim Exp $
+.\"     @(#)chown.8	8.3 (Berkeley) 3/31/94
+.\" $FreeBSD: src/usr.sbin/chown/chown.8,v 1.20 2002/07/14 14:42:43 charnier Exp $
 .\"
 .Dd March 31, 1994
 .Dt CHOWN 8
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm chown
 .Nd change file owner and group
 .Sh SYNOPSIS
-.Nm
+.Nm chown
+.Op Fl fhnv
 .Oo
 .Fl R
 .Op Fl H | Fl L | Fl P
 .Oc
-.Op Fl fh
-.Ar owner Op Ar :group
-.Ar file ...
-.Nm ""
+.Ar owner Ns Op : Ns Ar group
+.Ar
+.Nm chown
+.Op Fl fhnv
 .Oo
 .Fl R
 .Op Fl H | Fl L | Fl P
 .Oc
-.Op Fl fh
-.Ar :group
-.Ar file ...
+.No : Ns Ar group
+.Ar
 .Sh DESCRIPTION
-.Nm
-sets the user ID and/or the group ID of the specified files.
+The
+.Nm chown
+utility changes the user ID and/or the group ID of the specified files.
+Symbolic links named by arguments are silently left unchanged unless
+.Fl h
+is used.
 .Pp
 The options are as follows:
 .Bl -tag -width Ds
+.It Fl f
+Don't report any failure to change file owner or group, nor modify
+the exit status to reflect such failures.
 .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 h
+If the file is a symbolic link, change the user ID and/or the
+group ID of the link itself.
 .It Fl L
 If the
 .Fl R
@@ -74,16 +84,19 @@ option is specified, all symbolic links are followed.
 If the
 .Fl R
 option is specified, no symbolic links are followed.
+Instead, the user and/or group ID of the link itself are modified.
+This is the default. Use
+.Fl h
+to change the user ID and/or the group of symbolic links.
 .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.
-.It Fl f
-Don't report any failure to change file owner or group, nor modify
-the exit status to reflect such failures.
-.It Fl h
-If
-.Ar file
-is a symbolic link, the owner and/or group of the link is changed.
+.It Fl n
+Interpret user ID and group ID as numeric, avoiding name lookups.
+.It Fl v
+Cause
+.Nm chown
+to be verbose, showing files as the owner is modified.
 .El
 .Pp
 The
@@ -98,16 +111,11 @@ In addition, these options override each other and the
 command's actions are determined by the last one specified.
 .Pp
 The
-.Fl L
-option cannot be used together with the
-.Fl h
-option.
-.Pp
-The
 .Ar owner
 and
 .Ar group
-operands are both optional, however, one must be specified.
+operands are both optional;
+however, at least one must be specified.
 If the
 .Ar group
 operand is specified, it must be preceded by a colon (``:'') character.
@@ -123,32 +131,47 @@ 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.
 .Pp
-The ownership of a file may only be altered by a super-user for
-obvious security reasons.
-.Pp
-Unless invoked by the super-user,
-.Nm
-clears the set-user-id and set-group-id bits on a file to prevent
-accidental or mischievous creation of set-user-id and set-group-id
-programs.
-.Pp
-The
-.Nm
-utility exits 0 on success, and >0 if an error occurs.
+For obvious security reasons,
+the ownership of a file may only be altered by a super-user.
+Similarly, only a member of a group can change a file's group ID
+to that group.
+.Sh DIAGNOSTICS
+.Ex -std
 .Sh COMPATIBILITY
 Previous versions of the
-.Nm
+.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.
+This has been changed to be a colon (``:'') character,
+so that user and group names may contain the dot character.
+.Pp
+On previous versions of this system,
+symbolic links did not have owners.
+.Pp
+The
+.Fl v
+option is non-standard and its use in scripts is not recommended.
+.Sh LEGACY DESCRIPTION
+In legacy mode, the
+.Fl R
+and
+.Fl RP
+options do not change the user ID
+or the group ID of symbolic links.
 .Sh SEE ALSO
 .Xr chgrp 1 ,
 .Xr find 1 ,
 .Xr chown 2 ,
-.Xr lchown 2 ,
 .Xr fts 3 ,
+.Xr compat 5 ,
 .Xr symlink 7
 .Sh STANDARDS
 The
-.Nm
-command is expected to be POSIX 1003.2 compliant.
+.Nm chown
+utility is expected to be
+.St -p1003.2
+compliant.
+.Sh HISTORY
+A
+.Nm chown
+utility appeared in
+.At v1 .