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.\" Copyright (c) 1993, 1994
.\" The Regents of the University of California. All rights reserved.
.\" All rights reserved.
.\"
.\" This code is derived from software donated to Berkeley by
.\" Christopher G. Demetriou.
.\"
.\" 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.
.\"
.\" @(#)mount_cd9660.8 8.3 (Berkeley) 3/27/94
.\" $FreeBSD$
.\"
.Dd September 26, 2003
.Dt MOUNT_CD9660 8
.Os
.Sh NAME
.Nm mount_cd9660
.Nd mount an ISO-9660 file system
.Sh SYNOPSIS
.Nm
.Op Fl begjrv
.Op Fl C Ar charset
.Op Fl o Ar options
.Op Fl s Ar startsector
.Ar special node
.Sh DESCRIPTION
The
.Nm
utility attaches the ISO-9660 file system residing on the device
.Pa special
to the global file system namespace at the location indicated by
.Pa node .
This command is normally executed by
.Xr mount 8
at boot time.
.Pp
The options are as follows:
.Bl -tag -width indent
.It Fl b
Relax checking for Supplementary Volume Descriptor Flags field
which is set to a wrong value on some Joliet formatted disks.
.It Fl e
Enable the use of extended attributes.
.It Fl g
Do not strip version numbers on files.
(By default, if there are files with different version numbers on the disk,
only the last one will be listed.)
In either case, files may be opened without explicitly stating a
version number.
.It Fl j
Do not use any Joliet extensions included in the file system.
.It Fl o
Options are specified with a
.Fl o
flag followed by a comma separated string of options.
See the
.Xr mount 8
man page for possible options and their meanings.
The following cd9660 specific options are available:
.Pp
.Bl -tag -width "nostrictjoliet" -compact
.It Cm extatt
Same as
.Fl e .
.It Cm gens
Same as
.Fl g .
.It Cm nojoliet
Same as
.Fl j .
.It Cm norrip
Same as
.Fl r .
.It Cm nostrictjoliet
Same as
.Fl b .
.El
.It Fl r
Do not use any Rockridge extensions included in the file system.
.It Fl s Ar startsector
Start the file system at
.Ar startsector .
Normally, if the underlying device is a CD-ROM drive,
.Nm
will try to figure out the last track from the CD-ROM containing
data, and start the file system there.
If the device is not a CD-ROM,
or the table of contents cannot be examined, the file system will be
started at sector 0.
This option can be used to override the behaviour.
Note that
.Ar startsector
is measured in CD-ROM blocks, with 2048 bytes each.
This is the same
as for example the
.Cm info
command of
.Xr cdcontrol 1
is printing.
It is possible to mount an arbitrary session of a multi-session CD by specifying
the correct
.Ar startsector
here.
.It Fl C Ar charset
Specify local
.Ar charset
to convert Unicode file names when using Joliet extensions.
.It Fl v
Be verbose about the starting sector decisions made.
.El
.Sh EXAMPLES
The following command can be used to mount a Kodak Photo-CD:
.Pp
.Dl "mount_cd9660 -o rw -v -s 0 /dev/cd0c /cdrom"
.Sh SEE ALSO
.Xr cdcontrol 1 ,
.Xr mount 2 ,
.Xr unmount 2 ,
.Xr fstab 5 ,
.Xr mount 8
.Sh HISTORY
The
.Nm
utility first appeared in
.Bx 4.4 .
.Pp
The Unicode conversion routine was added by
.An Ryuichiro Imura Aq imura@ryu16.org
in 2003.
.Sh BUGS
POSIX device node mapping is currently not supported.
.Pp
Version numbers are not stripped if Rockridge extensions are in use.
In this case, accessing files that do not have Rockridge names without
version numbers gets the one with the lowest version number and not
the one with the highest.
.Pp
There is no ECMA support.
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