mount_udf(8) - NetBSD Manual Pages

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MOUNT_UDF(8)            NetBSD System Manager's Manual            MOUNT_UDF(8)


NAME
mount_udf -- mount an UDF file system
SYNOPSIS
mount_udf [-g gid] [-o options] [-t gmtoff] [-u uid] special node
DESCRIPTION
The mount_udf command attaches the UDF file system residing on the speci- fied special device node on the location indicated with node. Anonymous files stored on the UDF disc will be represented and saved in the specified uid:gid pair. If unspecified, it will default to nobody:nobody. Both uid and gid can be either specified with their names as with their numerical equivalents. -g gid Set the group of anonymous files on the file system. The default group is the nobody group. -o options Use the specified mount options as specified in mount(8). -s session Select the session session to be mounted instead of the default last one. Positive session values indicate an abso- lute session number. Negative session values are relative to the last session found on the disc. Note that this option only makes sense when mounting sequential recordable media like CD-R and DVD*R. -t gmtoff Set the time zone offset (in seconds) from UTC to gmtoff, with positive values indicating east of the Prime Meridian. If not set, the user's current time zone will be used. -u uid Set the owner of anonymous files on the file system. The default owner is the user nobody.
SEE ALSO
mount(2), vnd(4), fstab(5), mount(8), umount(8), vnconfig(8)
NOTES
UDF is a file system defined by the OSTA standardization group and is tailored for data interchange on optical discs (like CDs and DVDs) between different operating systems. Its also more and more common on other media like Compact Flash (CF) cards. Currently only read access is supported for all media types that CD/DVD type drives can recognise including DVD-RAM and BluRay drives. Write access is planned and in preparation. Implemented and tested media types are CD-ROM, CD-R, CD-RW, CD-MRW, DVD- ROM, DVD*R, DVD*RW, DVD+MRW but the same code can also read DVD-RAM, HD- DVD and BluRay discs. Discs created and written by UDFclient, Nero's InCD, and Roxio's DirectCD/Drag2Disc can be read without problems. Both open and closed media are supported so there is no need to close discs or sessions. All current UDF versions up to version 2.60 are supported. Hard disk partitions and vnd(4) devices may also be mounted. Note when mounting a vnd(4) device it might be necessary to specify the file image sector size in the geomspec when creating the vnd(4) device or the disc sector size will be used.
BUGS
Due to lack of test media, versions 2.50 and 2.60 are prepared but not implemented and tested yet. NetBSD 4.0 January 26, 2006 NetBSD 4.0
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