216 lines
6.3 KiB
Groff
216 lines
6.3 KiB
Groff
.\" $NetBSD: mount_msdos.8,v 1.13 1998/02/06 05:57:00 perry Exp $
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.\"
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.\" Copyright (c) 1993,1994 Christopher G. Demetriou
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.\" All rights reserved.
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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 acknowledgment:
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.\" This product includes software developed by Christopher G. Demetriou.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 7, 1994
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.Dt MOUNT_MSDOSFS 8
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.Os
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.Sh NAME
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.Nm mount_msdosfs
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.Nd mount an MS-DOS file system
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.Sh SYNOPSIS
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.Nm
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.Op Fl o Ar options
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.Op Fl u Ar uid
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.Op Fl g Ar gid
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.Op Fl m Ar mask
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.Op Fl s
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.Op Fl l
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.Op Fl 9
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.\".Op Fl G
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.Op Fl L Ar locale
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.Op Fl W Ar table
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.Pa special
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.Pa node
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.Sh DESCRIPTION
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The
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.Nm
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utility attaches the MS-DOS file system residing on
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the device
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.Pa special
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to the global file system namespace at the location
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indicated by
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.Pa node .
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This command is normally executed by
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.Xr mount 8
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at boot time, but can be used by any user to mount an
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MS-DOS file system on any directory that they own (provided,
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of course, that they have appropriate access to the device that
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contains the file system).
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl o Ar options
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Use the specified mount
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.Ar options ,
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as described in
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.Xr mount 8 ,
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or one of the MSDOS file system-specific options
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.Ar shortnames ,
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.Ar longnames
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or
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.Ar nowin95 ,
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all of which can be used to affect Windows name translation in the
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underlying file system.
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.It Fl u Ar uid
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Set the owner of the files in the file system to
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.Ar uid .
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The default owner is the owner of the directory
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on which the file system is being mounted.
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.It Fl g Ar gid
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Set the group of the files in the file system to
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.Ar gid .
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The default group is the group of the directory
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on which the file system is being mounted.
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.It Fl m Ar mask
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Specify the maximum file permissions for files
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in the file system.
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(For example, a
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.Ar mask
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of
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.Li 755
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specifies that, by default, the owner should have
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read, write, and execute permissions for files, but
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others should only have read and execute permissions.
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See
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.Xr chmod 1
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for more information about octal file modes.)
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Only the nine low-order bits of
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.Ar mask
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are used.
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The default
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.Ar mask
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is taken from the
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directory on which the file system is being mounted.
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.It Fl s
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Force behaviour to
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ignore and not generate Win'95 long filenames.
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.It Fl l
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Force listing and generation of
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Win'95 long filenames
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and separate creation/modification/access dates.
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.Pp
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If neither
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.Fl s
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nor
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.Fl l
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are given,
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.Nm
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searches the root directory of the file system to
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be mounted for any existing Win'95 long filenames.
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If no such entries are found, but short DOS filenames are found,
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.Fl s
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is the default.
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Otherwise
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.Fl l
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is assumed.
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.It Fl 9
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Ignore the special Win'95 directory entries even
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if deleting or renaming a file.
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This forces
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.Fl s .
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.\".It Fl G
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.\"This option causes the file system to be interpreted as an Atari-Gemdos
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.\"file system. The differences to the MS-DOS file system are minimal and
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.\"limited to the boot block. This option enforces
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.\".Fl s .
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.It Fl L Ar locale
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Specify locale name used for internal uppercase and lowercase conversions
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for DOS and Win'95 names.
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By default ISO 8859-1 assumed as local character set.
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.It Fl W Ar table
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Specify text file with 3 conversion tables:
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.Bl -enum
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.It
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Local character set to Unicode conversion table (upper half) for Win'95 long
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names, 128 Unicode codes separated by 8 per row.
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If some code not present in Unicode, use
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0x003F code ('?') as replacement.
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.It
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DOS to local character set conversion table (upper half) for DOS names,
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128 character codes separated by 8 per row.
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Code 0x3F ('?') used for impossible translations.
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.It
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Local character set to DOS conversion table (upper half) for DOS names,
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128 character codes separated by 8 per row.
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Some codes have special meaning:
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.Bl -hang
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.It 0x00
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character disallowed in DOS file name;
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.It 0x01
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character should be replaced by '_' in DOS file name;
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.It 0x02
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character should be skipped in DOS file name;
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.El
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.El
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.Pp
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By default ISO 8859-1 assumed as local character set.
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If file path isn't absolute,
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.Pa /usr/libdata/msdosfs/
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prefix prepended.
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.El
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.Sh FILES
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.Bl -tag -width /usr/libdata/msdosfs -compact
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.It Pa /usr/libdata/msdosfs
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default place for character sets conversion tables
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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 fstab 5 ,
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.Xr mount 8
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.Sh CAVEATS
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The use of the
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.Fl 9
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flag could result in damaged file systems,
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albeit the damage is in part taken care of by
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procedures similar to the ones used in Win'95.
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.Pp
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.Fx 2.1
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and earlier versions could not handle cluster sizes larger than 16K.
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Just mounting an MS-DOS file system could cause corruption to any
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mounted file system.
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Cluster sizes larger than 16K are unavoidable for file system sizes
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larger than 1G, and also occur when file systems larger than 1G are
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shrunk to smaller than 1G using FIPS.
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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 2.0 .
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Its predecessor, the
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.Nm mount_pcfs
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utility appeared in
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.Fx 1.0 ,
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and was abandoned in favor
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of the more aptly-named
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.Nm .
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