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MOUNT_NTFS(8)System Manager's ManualMOUNT_NTFS(8)

NAME

mount_ntfsmount an NTFS file system

SYNOPSIS

mount_ntfs[-ai] [-ggroup] [-mmask] [-ooptions] [-uuser]specialnode

DESCRIPTION

Themount_ntfs command attaches the NTFS filesystem residing on the devicespecial to the global filesystem namespace at the location indicated bynode. This command is invoked bymount(8) when using the syntax

mount [options] -t ntfsspecial node

Thespecial device is either adisklabel(8) UID (DUID) or an entry in/dev. If it is a DUID, it will be automatically mapped to the appropriate entry in/dev. In either case the partition must be present in the disklabel loaded from the device. The partition name is the last letter in the entry name. For example, /dev/sd0a and 3eb7f9da875cb9ee.a both refer to the ‘a’ partition.

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. Only read-only operation is permitted, which is automatically enforced.

The options are as follows:

-a
Force behaviour to return MS-DOS 8.3 names also onreaddir().
-ggroup
Specifies the group name or GID of the root inode of the file system. Defaults to the mount point's GID.
-i
Make name lookup case insensitive for all names except POSIX names.
-mmask
Specify the maximum file permissions for files in the file system.
-ooptions
Options are specified with a-o flag followed by a comma separated string of options. See themount(8) man page for possible options and their meanings.
-uuser
Specifies the user name or UID of the root inode of the file system. Defaults to the mount point's UID.

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

SEE ALSO

mount(2),unmount(2),disklabel(5),fstab(5),disklabel(8),mount(8)

HISTORY

Support for NTFS first appeared inFreeBSD 3.0. It was later ported toOpenBSD and first appeared inOpenBSD 3.4.

AUTHORS

NTFS kernel implementation,mount_ntfs, and this manual were originally written bySemen Ustimenko <semenu@FreeBSD.org>.

TheOpenBSD port was done byJulien Bordet <zejames@greyhats.org>.

BUGS

Only read support is enabled.

If the NTFS partition is marked as ‘dynamic’ under Microsoft Windows XP, it won't be possible to access it underOpenBSD anymore.

November 14, 2022OpenBSD-current

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