usr.sbin/fstyp: Fix incorrect pfs_type test in ondisk inode
[dragonfly.git] / sbin / mount_cd9660 / mount_cd9660.8
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1.\" Copyright (c) 1993, 1994
2.\" The Regents of the University of California. All rights reserved.
3.\" All rights reserved.
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5.\" This code is derived from software donated to Berkeley by
6.\" Christopher G. Demetriou.
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32.\" @(#)mount_cd9660.8 8.3 (Berkeley) 3/27/94
33.\" $FreeBSD: src/sbin/mount_cd9660/mount_cd9660.8,v 1.12.2.6 2003/02/24 00:56:41 trhodes Exp $
905b3a2a 34.\" $DragonFly: src/sbin/mount_cd9660/mount_cd9660.8,v 1.4 2008/07/27 22:17:48 thomas Exp $
984263bc 35.\"
8e7bb349 36.Dd September 12, 2009
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37.Dt MOUNT_CD9660 8
38.Os
39.Sh NAME
40.Nm mount_cd9660
41.Nd mount an ISO-9660 file system
42.Sh SYNOPSIS
43.Nm
44.Op Fl begjrv
8e7bb349 45.Op Fl C Ar charset
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46.Op Fl o Ar options
47.Op Fl s Ar startsector
905b3a2a 48.Ar special node
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49.Sh DESCRIPTION
50The
51.Nm
52utility attaches the ISO-9660 file system residing on the device
53.Pa special
54to the global file system namespace at the location indicated by
55.Pa node .
56This command is normally executed by
57.Xr mount 8
58at boot time.
59.Pp
60The options are as follows:
61.Bl -tag -width indent
62.It Fl b
63Relax checking for Supplementary Volume Descriptor Flags field
64which is set to a wrong value on some Joliet formatted disks.
65.It Fl e
66Enable the use of extended attributes.
67.It Fl g
68Do not strip version numbers on files.
69(By default, if there are files with different version numbers on the disk,
70only the last one will be listed.)
71In either case, files may be opened without explicitly stating a
72version number.
73.It Fl j
74Do not use any Joliet extensions included in the file system.
75.It Fl o
76Options are specified with a
77.Fl o
78flag followed by a comma separated string of options.
79See the
80.Xr mount 8
81man page for possible options and their meanings.
82The following cd9660 specific options are available:
83.Pp
84.Bl -tag -width "nostrictjoliet" -compact
85.It Cm extatt
86Same as
87.Fl e .
88.It Cm gens
89Same as
90.Fl g .
91.It Cm nojoliet
92Same as
93.Fl j .
94.It Cm norrip
95Same as
96.Fl r .
97.It Cm nostrictjoliet
98Same as
99.Fl b .
100.El
101.It Fl r
102Do not use any Rockridge extensions included in the file system.
103.It Fl s Ar startsector
104Start the file system at
105.Ar startsector .
106Normally, if the underlying device is a CD-ROM drive,
107.Nm
108will try to figure out the last track from the CD-ROM containing
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109data, and start the file system there.
110If the device is not a CD-ROM,
984263bc 111or the table of contents cannot be examined, the file system will be
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112started at sector 0.
113This option can be used to override the behaviour.
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114Note that
115.Ar startsector
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116is measured in CD-ROM blocks, with 2048 bytes each.
117This is the same
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118as for example the
119.Cm info
120command of
121.Xr cdcontrol 1
122is printing.
123It is possible to mount an arbitrary session of a multi-session CD by specifying
124the correct
125.Ar startsector
126here.
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127.It Fl C Ar charset
128Specify local
129.Ar charset
130to convert Unicode file names when using Joliet extensions.
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131.It Fl v
132Be verbose about the starting sector decisions made.
133.El
134.Sh EXAMPLES
135The following command can be used to mount a Kodak Photo-CD:
136.Pp
137.Dl "mount_cd9660 -o rw -v -s 0 /dev/cd0c /cdrom"
138.Sh SEE ALSO
139.Xr cdcontrol 1 ,
140.Xr mount 2 ,
141.Xr unmount 2 ,
142.Xr fstab 5 ,
143.Xr mount 8
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144.Sh HISTORY
145The
146.Nm
147utility first appeared in
148.Bx 4.4 .
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149.Sh BUGS
150POSIX device node mapping is currently not supported.
151.Pp
152Version numbers are not stripped if Rockridge extensions are in use.
8e7bb349 153In this case, accessing files that do not have Rockridge names without
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154version numbers gets the one with the lowest version number and not
155the one with the highest.
156.Pp
157There is no ECMA support.