203 lines
5.6 KiB
Groff
203 lines
5.6 KiB
Groff
.\" $NetBSD: mount_msdos.8,v 1.31 2005/01/31 05:19:19 erh 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 acknowledgement:
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.\" This product includes software developed for the
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.\" NetBSD Project. See http://www.NetBSD.org/ for
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.\" information about NetBSD.
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.\" 4. 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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.\" <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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.\"
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.Dd September 7, 2003
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.Dt MOUNT_MSDOS 8
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.Os
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.Sh NAME
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.Nm mount_msdos
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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 9Gls
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.Op Fl g Ar gid
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.Op Fl M Ar mask
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.Op Fl m Ar mask
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.Op Fl o Ar options
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.Op Fl t Ar gmtoff
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.Op Fl u Ar uid
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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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command attaches the MS-DOS filesystem residing on
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the device
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.Pa special
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to the global filesystem namespace at the location
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indicated by
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.Pa node .
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Both
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.Ar special
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and
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.Ar node
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are converted to absolute paths before use.
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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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Support for FAT16 and VFAT32 as well as long file names is available.
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.Pp
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The options are as follows:
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.Bl -tag -width XoXoptionsXX
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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 filesystem to be interpreted as an Atari-Gemdos
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filesystem.
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The differences to the MSDOS filesystem are minimal and
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limited to the boot block.
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This option enforces
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.Fl s .
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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 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 filesystem to
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be mounted for any existing Win'95 long filenames.
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If no such entries 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 M Ar mask
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Specify the maximum file permissions for directories
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in the file system. The value of
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.Fl m
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is used if it is supplied and
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.Fl M
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is omitted.
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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 mask 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. The value of
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.Fl M
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is used if it is supplied and
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.Fl m
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is omitted.
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The default mask is taken from the
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directory on which the file system is being mounted.
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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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.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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See also
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.Fl l .
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.It Fl t Ar gmtoff
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Set the time zone offset (in seconds) from UTC to
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.Ar gmtoff ,
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with positive values indicating east of the Prime Meridian.
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If not set, the user's current time zone will be used.
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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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.El
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.Sh EXAMPLES
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To remove the 'execute' permission bit for all files, but still keep
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directories searchable, use:
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.Bl -item -offset indent
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.It
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mount_msdos -m 0644 -M 0755 /dev/wd0e /msdos
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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 HISTORY
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The
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.Nm
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utility first appeared in
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.Nx 0.9 .
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Its predecessor, the
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.Ic mount_pcfs
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utility appeared in
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.Nx 0.8 ,
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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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.Sh BUGS
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Compressed partitions are not supported.
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.Pp
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The use of the
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.Fl 9
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flag could result in damaged filesystems,
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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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The default handling for
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.Fl s
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and
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.Fl l
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will result in empty filesystems to be populated
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with short filenames only.
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To generate long filenames
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on empty DOS filesystems use
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.Fl l .
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