1.\" Copyright (c) 1993, 1994 2.\" The Regents of the University of California. All rights reserved. 3.\" All rights reserved. 4.\" 5.\" This code is derived from software donated to Berkeley by 6.\" Christopher G. Demetriou. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 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 $ 34.\" 35.Dd March 7, 2024 36.Dt MOUNT_CD9660 8 37.Os 38.Sh NAME 39.Nm mount_cd9660 40.Nd mount an ISO-9660 file system 41.Sh SYNOPSIS 42.Nm 43.Op Fl begjrv 44.Op Fl C Ar charset 45.Op Fl G Ar gid 46.Op Fl m Ar mask 47.Op Fl M Ar mask 48.Op Fl o Ar options 49.Op Fl s Ar startsector 50.Op Fl U Ar uid 51.Ar special node 52.Sh DESCRIPTION 53The 54.Nm 55utility attaches the ISO-9660 file system residing on the device 56.Pa special 57to the global file system namespace at the location indicated by 58.Pa node . 59This command is normally executed by 60.Xr mount 8 61at boot time. 62.Pp 63The options are as follows: 64.Bl -tag -width indent 65.It Fl b 66Relax checking for Supplementary Volume Descriptor Flags field 67which is set to a wrong value on some Joliet formatted disks. 68.It Fl C Ar charset 69Specify local 70.Ar charset 71to convert Unicode file names when using Joliet extensions. 72.It Fl e 73Enable the use of extended attributes. 74.It Fl g 75Do not strip version numbers on files. 76(By default, if there are files with different version numbers on the disk, 77only the last one will be listed.) 78In either case, files may be opened without explicitly stating a 79version number. 80.It Fl G Ar gid 81Set the group of the files in the file system to 82.Ar gid . 83The default gid on non-Rockridge volumes is zero. 84.It Fl m Ar mask 85Specify the maximum file permissions for files 86in the file system. 87(For example, a 88.Ar mask 89of 90.Li 755 91specifies that, by default, the owner should have 92read, write, and execute permissions for files, but 93others should only have read and execute permissions.) 94See 95.Xr chmod 1 96for more information about octal file modes. 97Only the nine low-order bits of 98.Ar mask 99are used. 100The value of 101.Fl M 102is used if it is supplied and 103.Fl m 104is omitted. 105The default 106.Ar mask 107on non-Rockridge volumes is 108.Li 755 . 109.It Fl M Ar mask 110Specify the maximum file permissions for directories 111in the file system. 112The value of 113.Fl m 114is used if it is supplied and 115.Fl M 116is omitted. 117See the previous option's description for details. 118.It Fl j 119Do not use any Joliet extensions included in the file system. 120.It Fl o 121Options are specified with a 122.Fl o 123flag followed by a comma separated string of options. 124See the 125.Xr mount 8 126man page for possible options and their meanings. 127The following cd9660 specific options are available: 128.Pp 129.Bl -tag -width "nostrictjoliet" -compact 130.It Cm extatt 131Same as 132.Fl e . 133.It Cm gens 134Same as 135.Fl g . 136.It Cm nojoliet 137Same as 138.Fl j . 139.It Cm norrip 140Same as 141.Fl r . 142.It Cm nostrictjoliet 143Same as 144.Fl b . 145.El 146.It Fl r 147Do not use any Rockridge extensions included in the file system. 148.It Fl s Ar startsector 149Start the file system at 150.Ar startsector . 151Normally, if the underlying device is a CD-ROM drive, 152.Nm 153will try to figure out the last track from the CD-ROM containing 154data, and start the file system there. 155If the device is not a CD-ROM, 156or the table of contents cannot be examined, the file system will be 157started at sector 0. 158This option can be used to override the behaviour. 159Note that 160.Ar startsector 161is measured in CD-ROM blocks, with 2048 bytes each. 162This is the same 163as for example the 164.Cm info 165command of 166.Xr cdcontrol 1 167is printing. 168It is possible to mount an arbitrary session of a multi-session CD by specifying 169the correct 170.Ar startsector 171here. 172.It Fl U Ar uid 173Set the owner of the files in the file system to 174.Ar uid . 175The default uid on non-Rockridge volumes is zero. 176.It Fl v 177Be verbose about the starting sector decisions made. 178.El 179.Sh EXAMPLES 180The following command can be used to mount a Kodak Photo-CD: 181.Pp 182.Dl "mount_cd9660 -o rw -v -s 0 /dev/cd0c /cdrom" 183.Sh SEE ALSO 184.Xr cdcontrol 1 , 185.Xr mount 2 , 186.Xr unmount 2 , 187.Xr fstab 5 , 188.Xr mount 8 189.Sh HISTORY 190The 191.Nm 192utility first appeared in 193.Bx 4.4 . 194.Sh BUGS 195POSIX device node mapping is currently not supported. 196.Pp 197Version numbers are not stripped if Rockridge extensions are in use. 198In this case, accessing files that do not have Rockridge names without 199version numbers gets the one with the lowest version number and not 200the one with the highest. 201.Pp 202There is no ECMA support. 203