c80f12d0af
instead of "rdonly". "rdonly" works for mount(8) and mount_std(8) but not from /etc/fstab, whereas "ro" works for all mount_*(8) commands.
171 lines
4.5 KiB
Groff
171 lines
4.5 KiB
Groff
.\"
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.\" Copyright (c) 1992, 1993, 1994
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.\" The Regents of the University of California. All rights reserved.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software donated to Berkeley by
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.\" Jan-Simon Pendry.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd May 13, 1996
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.Dt MOUNT_STD 8
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.Os
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.Sh NAME
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.Nm mount_std ,
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.Nm mount_devfs ,
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.Nm mount_fdescfs ,
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.Nm mount_linprocfs ,
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.Nm mount_procfs
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.Nd mount
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.Dq standard
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file systems
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.Sh SYNOPSIS
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.Nm mount_ Ns Ar fsname
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.Op Fl o Ar options
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.Ar "fs"
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.Ar mount_point
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.Sh DESCRIPTION
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The
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.Nm
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utility is a generic mechanism for attaching ``standard'' file systems to
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the file system. The
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.Nm
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utility currently supports the following file systems:
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.Nm devfs ,
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.Nm fdescfs ,
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.Nm linprocfs
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and
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.Nm procfs .
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A ``standard'' file system is one which:
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.Bl -enum -offset indent
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.It
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accepts only the standard
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.Fl o
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options
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.Dq ro ,
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.Dq rw ,
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.Dq nodev ,
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.Dq noexec ,
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.Dq nosuid ,
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and
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.Dq union .
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.It
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has a kernel file system module name the same as its user-visible name.
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.It
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requires no other special processing on the part of the
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.Nm
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utility.
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.El
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl o
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Options are specified with a
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.Fl o
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flag followed by a comma separated string of options.
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See the
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.Xr mount 8
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man page for possible options and their meanings.
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.El
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.Pp
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The
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.Nm
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utility examines its zeroth command-line argument (the name by which
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it was called) to determine the type of file system to be mounted. If
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it is called by a name which does not end in
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.Dq Li _ Ns Ar fsname ,
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.Nm
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will assume (for compatibility
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with
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.Xr mount 8 )
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that the zeroth argument contains only the name of the file system type.
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The
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.Nm
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utility is normally installed with appropriate links to commands for
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the distributed file systems which can be mounted in this way;
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for information on the function of each file system, see the manual page
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for that specific
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.Nm mount_ Ns Ar fsname
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utility.
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.Pp
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Refer to the following manual pages for detailed information
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on these file system:
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.Xr devfs 5 ,
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.Xr fdescfs 5 ,
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.Xr linprocfs 5
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and
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.Xr procfs 5 .
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.Sh DIAGNOSTICS
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.Bl -diag
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.It argv[0] must end in _fsname
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The
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.Nm
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utility was called with a zeroth argument of
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.Dq Li mount_std .
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.It %s file system not available
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The specified file system type was not present in the kernel and no
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loadable module for it was found.
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.El
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.Sh SEE ALSO
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.Xr mount 2 ,
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.Xr unmount 2 ,
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.Xr getvfsbyname 3 ,
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.Xr devfs 5 ,
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.Xr fdescfs 5 ,
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.Xr fstab 5 ,
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.Xr linprocfs 5 ,
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.Xr procfs 5 ,
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.Xr mount 8
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.Sh CAVEATS
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None of the ``standard'' file systems may be NFS-exported.
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 2.2 .
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Loadable file system modules first appeared in
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.Fx 2.0 .
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The
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.Dq fdescfs
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and
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.Dq procfs
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file system types first appeared in
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.Fx 2.0 ;
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the
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.Dq devfs
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file system type first appeared in
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.Fx 2.2 ;
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the
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.Dq linprocfs
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file system type first appeared in
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.Fx 4.0 .
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