diff options
Diffstat (limited to 'usr.sbin/chown/chown.8')
-rw-r--r-- | usr.sbin/chown/chown.8 | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/usr.sbin/chown/chown.8 b/usr.sbin/chown/chown.8 new file mode 100644 index 0000000..b5882a3 --- /dev/null +++ b/usr.sbin/chown/chown.8 @@ -0,0 +1,170 @@ +.\" Copyright (c) 1990, 1991, 1993, 1994 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)chown.8 8.3 (Berkeley) 3/31/94 +.\" $FreeBSD$ +.\" +.Dd February 21, 2010 +.Dt CHOWN 8 +.Os +.Sh NAME +.Nm chown +.Nd change file owner and group +.Sh SYNOPSIS +.Nm +.Op Fl fhvx +.Oo +.Fl R +.Op Fl H | Fl L | Fl P +.Oc +.Ar owner Ns Op : Ns Ar group +.Ar +.Nm +.Op Fl fhvx +.Oo +.Fl R +.Op Fl H | Fl L | Fl P +.Oc +.No : Ns Ar group +.Ar +.Sh DESCRIPTION +The +.Nm +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 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. +This is the default. +.It Fl R +Change the user ID and/or the group ID of the specified directory trees +(recursively, including their contents) and files. +Beware of unintentionally matching the +.Dq Pa ".." +hard link to the parent directory when using wildcards like +.Dq Li ".*" . +.It Fl f +Do not report any failure to change file owner or group, nor modify +the exit status to reflect such failures. +.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 v +Cause +.Nm +to be verbose, showing files as the owner is modified. +If the +.Fl v +flag is specified more than once, +.Nm +will print the filename, followed by the old and new numeric user/group ID. +.It Fl x +File system mount points are not traversed. +.El +.Pp +The +.Fl H , +.Fl L +and +.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 +.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 +.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. +.Pp +The ownership of a file may only be altered by a super-user for +obvious security reasons. +.Sh EXIT STATUS +.Ex -std +.Sh COMPATIBILITY +Previous versions of the +.Nm +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. +.Pp +On previous versions of this system, symbolic links did not have +owners. +.Pp +The +.Fl v +and +.Fl x +options are non-standard and their use in scripts is not recommended. +.Sh SEE ALSO +.Xr chgrp 1 , +.Xr find 1 , +.Xr chown 2 , +.Xr fts 3 , +.Xr symlink 7 +.Sh STANDARDS +The +.Nm +utility is expected to be +.St -p1003.2 +compliant. +.Sh HISTORY +A +.Nm +utility appeared in +.At v1 . |