ntfsusermap

NTFSUSERMAP(8)              System Manager's Manual             NTFSUSERMAP(8)

NAME
       ntfsusermap - NTFS Building a User Mapping File

SYNOPSIS
       ntfsusermap windows-system-device [other-ntfs-device...]

       Where windows-system-device is the device containing the Windows system
       whose users are to be mapped to current Linux system.

       And other-ntfs-device is another device containing files which  are  to
       be  accessed both by the Windows mentioned above and current Linux sys-
       tem.

       the ntfsusermap command must be started as  root,  and  the  designated
       devices must not be mounted.

       Typing ntfsusermap with no args will display a summary of command argu-
       ments.

DESCRIPTION
       ntfsusermap creates the file defining the mapping of  Windows  accounts
       to  Linux  logins for users who owns files which should be visible from
       both Windows and Linux.

       It relies on existing files which were created on  Windows,  trying  to
       locate  significant  files  and asking which Linux user or group should
       own them. When a Linux owner or group is requested, the reply may be :

       - the uid or gid (numeric or symbolic) of Linux owner or group  of  the
       file.
              In that situation, no more file with the same Windows owner will
              be selected.
       - or no answer, when not able to define the owner or group.
              In that situation another file owned by the same Windows user or
              group may be selected later so that a mapping can be defined.

       The  mappings  for  standard  Windows users, such as "Administrator" or
       "All Users" are defined implicitly. As a  consequence  a  user  mapping
       should never be defined as Linux root.

       When  there  are no more significant files, ntfsusermap create the map-
       ping file into the file UserMapping in the current directory. This file
       has to be moved to the hidden directory .NTFS-3G in the root of all the
       NTFS file systems to be shared between Windows and Linux. This requires
       the  file  system to be mounted, but the created file will not be taken
       into account if not present at mount time, which means the file  system
       has  to  be  unmounted and mounted again for the new mapping file to be
       taken into account.

OPTIONS
       No option is defined for ntfsusermap.

EXAMPLES
       Map the users defined on the Windows system present on /dev/sda1 :

              ntfsusermap /dev/sda1

       A detailed example, with screen displays  is  available  on  http://jp-
       andre.pagesperso-orange.fr/ntfsusermap.html

EXIT CODES
       ntfsusermap  exits  with  a  value of 0 when no error was detected, and
       with a value of 1 when an error was detected.

KNOWN ISSUES
       Please see

              http://www.tuxera.com/community/ntfs-3g-faq/

       for common questions and known issues.  If you would find a new one  in
       the latest release of the software then please send an email describing
       it  in  detail.  You  can  contact  the   development   team   on   the
       ntfs-3g-devel@lists.sf.net address.

AUTHORS
       ntfs-3g.secaudit has been developed by Jean-Pierre Andre.

THANKS
       Several people made heroic efforts, often over five or more years which
       resulted the ntfs-3g driver. Most  importantly  they  are  Anton  Alta-
       parmakov,  Richard  Russon,  Szabolcs Szakacsits, Yura Pakhuchiy, Yuval
       Fledel, and the author of the groundbreaking FUSE  filesystem  develop-
       ment framework, Miklos Szeredi.

SEE ALSO
       ntfsprogs(8), attr(5), getfattr(1)

ntfsusermap 1.2.0                February 2016                  NTFSUSERMAP(8)
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