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NTFS-3G 1.2310 (Default branch)
03-11-2008
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MOUNT_NTFS(8) BSD System Manager's Manual MOUNT_NTFS(8) NAME
mount_ntfs -- mount an NTFS file system SYNOPSIS
mount_ntfs [-a] [-i] [-u uid] [-g gid] [-m mask] special node DESCRIPTION
The mount_ntfs command attaches the NTFS filesystem residing on the device special to the global filesystem namespace at the location indi- cated by node. Both special and node are converted to absolute paths before use. This command is normally executed by mount(8) at boot time, but can be used by any user to mount an NTFS file system on any directory that they own (provided, of course, that they have appropri- ate access to the device that contains the file system). The supported NTFS versions include both NTFS4, as used by Microsoft Windows NT 4.0, and NTFS5, as used by Microsoft Windows 2000 and XP. The options are as follows: -a Force behaviour to return MS-DOS 8.3 names also on readdir(). -i Make name lookup case insensitive for all names except POSIX names. -u uid Set the owner of the files in the file system to uid. The default owner is the owner of the directory on which the file system is being mounted. -g gid Set the group of the files in the file system to gid. The default group is the group of the directory on which the file system is being mounted. -m mask Specify the maximum file permissions for files in the file system. FEATURES
NTFS file attributes NTFS file attributes can be accessed in the following way: foo[[:ATTRTYPE]:ATTRNAME] 'ATTRTYPE' is one of identifier listed in $AttrDef file of volume. Default is $DATA. 'ATTRNAME' is an attribute name. Default is none. Examples: To get volume name (in Unicode): # cat /mnt/$Volume:$VOLUME_NAME To read directory raw data: # cat /mnt/foodir:$INDEX_ROOT:$I30 Limited support for writing There is limited writing ability for files. Limitations: o file must be non-resident o file must not contain any holes (uninitialized areas) o file can't be compressed Note that it's not currently possible to create or remove files on NTFS filesystems. Warning: do not mount NTFS filesystems read-write. The write support is not very useful and is not tested well. It's not safe to write to any file on NTFS; you might damage the filesystem. Unless you want to debug NTFS filesystem code, mount the NTFS filesystem read-only. SEE ALSO
mount(2), unmount(2), fstab(5), disklabel(8), mbrlabel(8), mount(8) HISTORY
Support for NTFS first appeared in FreeBSD 3.0. It was ported to NetBSD and first appeared in NetBSD 1.5. AUTHORS
NTFS kernel implementation, mount_ntfs and this manual were originally written by Semen Ustimenko <semenu@FreeBSD.org>. The NetBSD port was done by Christos Zoulas <christos@NetBSD.org> and Jaromir Dolecek <jdolecek@NetBSD.org>. BUGS
The write support should be enhanced to actually be able to change file size, and to create and remove files and directories. It's not very useful right now. If the attempt to mount NTFS gives you an error like this: # mount -t ntfs /dev/wd0k /mnt mount_ntfs: /dev/wd0k on /mnt: Invalid argument make sure that appropriate partition has correct entry in the disk label, particularly that the partition offset is correct. If the NTFS partition is the first partition on the disk, the offset should be '63' on i386 (see disklabel(8)). mbrlabel(8) could help you to set up the disk label correctly. If the NTFS partition is marked as 'dynamic' under Microsoft Windows XP, it won't be possible to access it under NetBSD anymore. BSD
October 31, 2001 BSD