MOUNT_NTFS(8)           NetBSD 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 appropriate access to
     the device that contains the file system).

     The supported NTFS versions include both NTFS4, as used by Microsoft Win-
     dows 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 sys-
             tem.

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:
        file must be non-resident
        file must not contain any holes (uninitialized areas)
        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 use-
     ful 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.

NetBSD 6.1.4                   October 31, 2001                   NetBSD 6.1.4

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