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mount_cd9660(8) [opendarwin man page]

MOUNT_CD9660(8) 					    BSD System Manager's Manual 					   MOUNT_CD9660(8)

NAME
mount_cd9660 -- mount an ISO-9660 filesystem SYNOPSIS
mount_cd9660 [-egjr] [-o options] [-s startsector] special | node DESCRIPTION
The mount_cd9660 command attaches the ISO-9660 filesystem residing on the device special to the global filesystem namespace at the location indicated by node. This command is normally executed by mount(8) at boot time. The options are as follows: -e Enable the use of extended attributes. -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. -j Do not use any Joliet extensions included in the filesystem. -o Options are specified with a -o flag followed by a comma separated string of options. See the mount(8) man page for possible options and their meanings. -r Do not use any Rockridge extensions included in the filesystem. -s startsector Start the filesystem at startsector. Normally, if the underlying device is a CD-ROM drive, mount_cd9660 will try to figure out the last track from the CD-ROM containing data, and start the filesystem there. If the device is not a CD-ROM, or the table of contents cannot be examined, the filesystem will be started at sector 0. This option can be used to override the behaviour. Note that startsector is measured in CD-ROM blocks, with 2048 bytes each. SEE ALSO
mount(2), unmount(2), fstab(5), mount(8) BUGS
POSIX device node mapping is currently not supported. Version numbers are not stripped if Rockridge extensions are in use. In this case, accessing files that don't have Rockridge names without version numbers gets the one with the lowest version number and not the one with the highest. There is no ECMA support. HISTORY
The mount_cd9660 utility first appeared 4.4BSD. 4th Berkeley Distribution March 27, 1994 4th Berkeley Distribution

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UMOUNT(8)						    BSD System Manager's Manual 						 UMOUNT(8)

NAME
umount -- unmount filesystems SYNOPSIS
umount [-fv] special | node umount -a | -A [-fv] [-h host] [-t type] DESCRIPTION
The umount command calls the unmount(2) system call to remove a special device or the remote node (rhost:path) from the filesystem tree at the point node. If either special or node are not provided, the appropriate information is taken from the list of filesystems provided by getfsent(3). The options are as follows: -a All the filesystems described via getfsent(3) are unmounted. -A All the currently mounted filesystems except the root are unmounted. -f The filesystem is forcibly unmounted. Active special devices continue to work, but all other files return errors if further accesses are attempted. The root filesystem cannot be forcibly unmounted. -h host Only filesystems mounted from the specified host will be unmounted. This option implies the -A option and, unless otherwise speci- fied with the -t option, will only unmount NFS filesystems. -t type Is used to indicate the actions should only be taken on filesystems of the specified type. More than one type may be specified in a comma separated list. The list of filesystem types can be prefixed with ``no'' to specify the filesystem types for which action should not be taken. For example, the umount command: umount -a -t nfs,hfs umounts all filesystems of the type NFS and HFS. -v Verbose, additional information is printed out as each filesystem is unmounted. NOTES
Due to the complex and interwoven nature of Mac OS X, umount may fail often. It is recommended that diskutil(1) (as in, ``diskutil unmount /mnt'') be used instead. SEE ALSO
unmount(2), getfsent(3), mount(8), diskutil(1) HISTORY
A umount command appeared in Version 6 AT&T UNIX. 4th Berkeley Distribution May 8, 1995 4th Berkeley Distribution
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