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(Documentation for the EXPERT Edit menu)
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(Edit)


Edit Menu: [Edit partition-tables, LVM info, sectors]

UI, switch to Basic mode a-3

From main menu: Edit -> UI, switch to Basic mode a-3

Activate the BASIC user interface, limited to the most used functions only


   This will switch the user interface (Menu and some dialogs) between the
   Basic mode with less functionality, intended for less experienced users
   and Expert mode where ALL functionality is available.

    The startup default (Basic UI mode) can be changed using the
    startup '-expert' switch, and can be modified on-the-fly using
    the 'SET EXPERT on/off/toggle' command, just as this menu does.

    You can put a command like 'set expert ON' in your profile.dfs to
    enable EXPERT mode without a startup-switch when starting DFSee.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   



Edit Partition tables

From main menu: Edit -> Edit Partition tables

Edit a partition table in an MBR/EBR sector using the P-Table-Editor dialog

Menu item screenshot(s)


    This will start the interactive partition-table editor,
    positioned on the starting-partition selected from a list.

    It will allow direct updating of the various fields in the table
    and update related fields in the same table accordingly.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Selection of this item leads to a dynamic created submenu, to select a partition to be used

Edit LVM information

From main menu: Edit -> Edit LVM information

Edit LVM information related to disk partitions, LVM-volumes and BMGR-menu

Menu item screenshot(s)


    This will start the interactive LVM-information editor,
    positioned on the starting-partition selected from a list.

    It will allow direct updating of most of the LVM entities:

            - volumename
            - partitionname
            - driveletter
            - bootable flag
            - installable flag

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Selection of this item leads to a dynamic created submenu, to select a partition to be used


File in Binary editor

From main menu: Edit -> File in Binary editor

Start interactive sector-editor on the selected file, allow HEX/ASCII edit

Menu item screenshot(s)


    This will allow full editing of a (binary) file using a sector
    editor interface with an HEX-pair and an ASCII edit area.

    The exact size of the file (in bytes) will be preserved,
    DELETE or INSERT of data in the file is NOT possible.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector, Automatic view a-F2

From main menu: Edit -> Sector, Automatic view a-F2

Start interactive sector-editor on the current sector, auto view selection


    This starts an editor/viewer starting on the current sector

    It automatically selects an available view, based on contents:

       HEX/ASXCII : Classic 'binary editor' with HEX and ASCII areas
       Disassemble: Intel x86 disassembler view, 16, 32 or 64 bit
       Ascii-text : Show sector contents filtered for 'printable'
                    characters only, like Unix 'strings' command.

    The sector contents can be modified in the HEX/ASCII view,
    the others are for viewing only.

    You can switch to other views with <F2>

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector, HEX/ASCII F2

From main menu: Edit -> Sector, HEX/ASCII F2

Start interactive sector-editor on the current sector, HEX/ASCII view


    This will allow full editing of sector values using an interactive
    sector editor interface with an HEX-pair and an ASCII edit area.

    It is the only view that allows editing, and modifications will
    be written back to the opened object (disk, partition, volume)
    when moving to other sectors, or on <Enter>.

    You can switch to other views with <F2>

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector, HEX 16x32 a_T/c-F2

From main menu: Edit -> Sector, HEX 16x32 a_T/c-F2

Start interactive sector-editor on the current sector, HEX, 16 bytes per row


    This will allow full editing of sector values using an interactive
    sector editor interface with an HEX-pair and an ASCII edit area.

    It is started with a fixed 16 (0x10) bytes per row, independant
    the display size.

    You can switch to other views with <F2>

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector, Disassembler ...

From main menu: Edit -> Sector, Disassembler ...

Start interactive sector-viewer on the current sector, Disassembler view

Menu item screenshot(s)


    This will show the current sector as disassembled x86 code.

    Full navigation is possible using the cursor and PgUp/PgDn key,
    and the disassembler is coupled with the HEX-editor in the
    positioning and navigation

    You can export the disassembled code to an ASCII file for
    further processing.

    On exit, the HEX-editor will be positioned on the same location
    and the current instruction will be highlighted.

    You can switch to other views with <F2>

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector, Text/Strings ...

From main menu: Edit -> Sector, Text/Strings ...

Start interactive sector-viewer on the current sector, Text/strings view

Menu item screenshot(s)


    This shows the contents of the sector(s) as ASCII text or
    strings, filtered for printable characters only.

    This is much like the UNIX utility 'strings'

    You can switch to other views with <F2>

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector, String replacement

From main menu: Edit -> Sector, String replacement

Replace data in current sector using HEX/ASCII/UNICODE replacement strings


    This will allow partial editing of sector values using dialogs
    to specify an edit-offset and a replacement string in HEX, ASCII
    or UNICODE to replace the data at the specified offset.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Sector in HEX ...

From main menu: Edit -> Sector, String replacement -> Sector in HEX ...

Replace some data in the current sector with supplied offset and HEX pairs

Menu item screenshot(s)


    This will allow some direct editing of sector values,
    using hexadecimal specified replacement values.

    The position in the sector to be updated will be requested,
    and the current values for 16 hexadecimal pairs will be
    displayed for reference and double-checking.

    The replacement value can be typed in in hexadecimal pairs,
    and on completion the sector can be written back to the same
    or a different sector-number.

    Up to a maximum of 120 hexadecimal pairs can be specified.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


Sector in ASCII ...

From main menu: Edit -> Sector, String replacement -> Sector in ASCII ...

Replace some data in the current sector with supplied offset and ASCII str


    This will allow some direct editing of sector values,
    using a plain ASCII specified replacement string.

    The position in the sector to be updated will be requested,
    and the current string of 16 ASCII characters at that
    position are displayed for reference and double-checking.

    The replacement value can be typed in as a regular string,
    and on completion the sector can be written back to the same
    or a different sector-number.

    A string of up to 255 characters can be specified.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


Sector in UNICODE ...

From main menu: Edit -> Sector, String replacement -> Sector in UNICODE ...

Replace some data in the current sector with supplied offset and UNICODE str

Menu item screenshot(s)


    This will allow some direct editing of sector values,
    using a UNICODE specified replacement string.

    The position in the sector to be updated will be requested,
    and the current string of 8 UNICODE characters at that
    position are displayed for reference and double-checking.

    The replacement value can be typed in as a regular string,
    and on completion the sector can be written back to the same
    or a different sector-number.

    A string of up to 255 characters can be specified.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    



Search sectors and output

From main menu: Edit -> Search sectors and output

Search functions to search (disk) sectors and the output text window


    This will allow partial editing of sector values using dialogs
    to specify an edit-offset and a replacement string in HEX, ASCII
    or UNICODE to replace the data at the specified offset.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


Search in sector data ... a-S

From main menu: Edit -> Search sectors and output -> Search in sector data ... a-S

Search for Ascii/Unicode/Hex data in all sectors for currently open object

Menu item screenshot(s)


    This will search for the specified string in sectors for the
    currently opened object, starting at the current sector (this).

    You can specify the string to be searched in the FIND dialog.
    Many options to change the search criteria can be specified in
    that dialog as well. For a more detailed explanation of those
    options than available here, check the regular documentation
    on the corresponding options for the FIND command (DFSCMDS.TXT)

    The string(s) can be specified as ASCII, UNICODE, HEXadecimal or
    even a MIX of those by checking the corresponding radiobutton.

    The available options with their defaults are:

    (*) Ascii or UTF-8   : interpret search string(s) as ASCII or UTF-8
    ( ) Unicode  16bit   : interpret search string(s) as 16-bit UNICODE
    ( ) Hex pairs        : interpret string as (pairs of) HEXADECIMAL data
    ( ) Mixed string     : interpret as 'mixed-string' format, see DOC
    [ ] Verbose output   : Display each found sector in default format
    [x] Show arguments   : Display a single line per found sector only

    (*) Repeat, 1 hit/sector : Repeat the search, add sectors to list
    ( ) Repeat multiple hits : Repeat allowing multiple hits per sector
    ( ) Search once, display : Just search a single time, verbose display
    [ ] Case-sensitive match : Require exact case match on primary string
    [ ] Search backwards     : Search towards LOWER sector numbers
    [ ] NOT containing ...   : Find sectors NOT containing the string(s)

    (*) Search in every sector  : Search every sector in opened object
    ( ) On Cylinder boundaries  : Search specific sectors per cylinder
    ( ) In freespace (undelete) : Search in filesystem freespace only
    ( ) In allocated (filegrep) : Search in filesystem allocated area
    [ ] Start at NEXT/PREV sect : Skip 'this', start at NEXT/PREV sector
    [x] No sector span (faster) : Will not find search string(s) that
                                  cross a sector (512 bytes) boundary

    [...] StartOffset     : Offset from begin of object to start search
                            mcs-number, default is the current sector
    [...] @Position       : Position in sector for primary string
    [...] Types           : Sector types considered (default ALL)
    [...] Secondary ...   : Secondary search string, AND with 1st

    When specifying a StartOffset, the default unit is MEGABYTES!
    When using a hexadecimal sectornumber, make sure to include the
    '0x' prefix on the mcs-number and the ',s' unit postfix.
    For KiB and GiB use the ',k' and ',g' postfix respectively.

    When specifying the '@Position' value, only sectors that have the
    primary string AT that position in a sector will be considered.
    The position is a DECIMAL value in the range 0..511.

    When specifying a 'Types' string, only sectors of that type will be
    considered in the search, to show available types for the current
    filesystem, use the '???' command or Help -> Available sector types

    To search for 2 strings (sectors containing string1 AND string2),
    you can specify the 2nd search argument, which will have the
    same data interpretation (ascii/unicode/hex) as the primary one,
    but will always be considered CASE-SENSITIVE!

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


Repeat sector search ... a-R

From main menu: Edit -> Search sectors and output -> Repeat sector search ... a-R

Repeat the last search specified through the dialog, exact same arguments

Menu item screenshot(s)


    This will repeat the previous search specified in a FIND dialog
    using exactly the same search parameters.

    When no valid search parameters are available yet, the FIND
    dialog will be presented as with a regular FIND action.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    



Search for 0x00 EMPTY sectors

From main menu: Edit -> Search sectors and output -> Search for 0x00 EMPTY sectors

Search for sectortype 0, containing 0x00 byte values only, EMPTY sectors

Menu item screenshot(s)


    This will search for sectors that contain 0x00 bytes only
    so are effectively EMPTY sectors

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


Search for 0xFE BAD sectors

From main menu: Edit -> Search sectors and output -> Search for 0xFE BAD sectors

Search for sectortype 5, containing 0xFE byte values only, DFSee BAD-SECTOR


    This will search for sectors that contain 0xFE bytes only
    which are most likely sectors marked by DFSee as BAD

    Sector contents 0xFE is created by DFSee when a sector is
    not readable (BAD) during a CLONE or IMAGE operation.

    The target sector (clone destination, or imagefile) will
    be filled with an 0xFE pattern, and this search operation
    will locate them, for possible corrective action or repair

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    



Search Output text ... F7

From main menu: Edit -> Search sectors and output -> Search Output text ... F7

Search for an Ascii phrase in the output text window, highlight search-hit


Grep Output text ... F7

From main menu: Edit -> Search sectors and output -> Grep Output text ... F7

Search for an Ascii phrase in the output text window, present in result list



List all executed commands

From main menu: Edit -> Search sectors and output -> List all executed commands

Search Output-window for 'Executing:' and show found lines in result list



Force operation Mode=xxx

From main menu: Edit -> Force operation Mode=xxx

Force specific Mode=xxx (Fdisk or FS) Can be dangerous, for expert use only!

Menu item screenshot(s)


    This allows a specific mode to be forced when automatic setting
    of that mode does not work correctly.

    This might be needed on damaged or unformatted disks.

    Be carefull though using any FIX or other commands that write to
    the disk or partition unless you are REALLY sure the selected
    mode is the correct one.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

   


FDISK + LVM disk level Mode

From main menu: Edit -> Force operation Mode=xxx -> FDISK + LVM disk level Mode

Create, update, display, recover or fix partition-tables or LVM information

Menu item screenshot(s)


   This is the default operation mode for DFSee and enables commands
   and menus that are working at the DISK level (like Fdisk and LVM)
   with partitioning, LVM as well as imaging and cloning functions.

   FDISK is the classic disk-partitioning tool as used with DOS.
   It is used to create primary partitions, extended partitions
   and logical volumes in the extended partition.

   LVM, the Logical Volume Manager, is an 'FDISK-like' program plus
   some related drivers on all OS/2 kernel versions starting at 4.50,
   including eComStation. It allows more flexible naming and usage of
   partitions and drive-letters, including joining multiple partitions
   on more than one disk into a single volume.
   DFSee respects the drive-letters as assigned with LVM and has
   special display options like the 'PLIST LVM' command in FDISK
   mode. Also the 'part' display will show volume and partition

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    



APFS, APFS Container FS

From main menu: Edit -> Force operation Mode=xxx -> APFS, APFS Container FS

Check, analyse, display or fix the APPLE-FS filesystem, APFS Container disks


   This will enable all APFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   APFS filesystem

   APple File System, new filesystem for Apple products, replacing
   the familiar HFS+ filesystem on iOS and macOS.

    Introduced around 2017/2018 (macOS High Sierra)

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


DUMPFS OS/2 crash-dump FS

From main menu: Edit -> Force operation Mode=xxx -> DUMPFS OS/2 crash-dump FS

Check, analyse, display or fix DUMPFS filesystem, IBM OS2/eCS/BlueLion


   This will enable all DUMPFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   DUMP FileSystem
   A filesystem developed to work around the FAT16 limitations
   when storing huge system (crash) dumps exceeding 2Gb

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


EFAT, huge SD/removable FS

From main menu: Edit -> Force operation Mode=xxx -> EFAT, huge SD/removable FS

Check, analyse, display or fix Enhanced-FAT filesystems

Menu item screenshot(s)


   This will enable all EFAT-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   EFAT filesystem
   Enhanced FAT filesystem developed to work around the FAT32
   limits when storing large files exceeding 2Gb on SD cards and
   other removable media.

   The design of the filesystem is also optimized for fast writing
   by using a bitmap instead of the FAT datastructure for allocation
   and its internal structures are aligned to get maximum performance
   when used on solid-state media like SD cards and SSD disks.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


EXTn Linux std/journld FS

From main menu: Edit -> Force operation Mode=xxx -> EXTn Linux std/journld FS

Check, analyse, display or fix EXT2, EXT3 or EXT4 filesystem, used on Linux

Menu item screenshot(s)


   This will enable all EXT2+3-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   The 2nd extended filesystem for Linux is the default FS on almost
   all modern Linux distributions. The standard version is EXT2 while

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


FAT12, FAT16 or FAT32 FS

From main menu: Edit -> Force operation Mode=xxx -> FAT12, FAT16 or FAT32 FS

Check, analyse, display or fix FAT12, FAT16 or FAT32 filesystems

Menu item screenshot(s)


   This will enable all FAT-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   File Allocation Table, the most important structure in the
   classic DOS filesystem that also gave it its name.
   It is a table of cluster-numbers that indicates the cluster
   that holds the next part of the current file or directory,
   or indicates that this was the last cluster.
   The first cluster of a file is pointed to by the directory
   entry that also has the filename, size and the flags.
   This way the location of each cluster of a file can be easily
   found by following this 'allocation-chain'.

   The size of one entry in this FAT is usually 2 bytes (16bit),
   and clusters of maximum 32KiB, resulting in the largest FAT16
   filesystem of 2GiB. (4GiB on Win-NT with 64KiB clusters)

   On small disks (and diskettes) a 12-bit FAT is used, and for
   really large disks the FAT32 filesystem was introduced.

   DFSee supports 12, 16 and 32-bit FAT filesystems.

   The FAT32 version of the filesystem uses 4-byte = 32-bit FAT
   entries. This makes the maximum size of a FAT32 filesystem
   nearly unlimited. The FAT structure itself does take up a lot
   of space on the disk, and in memory when using the filesystem.

   FAT32 was introduced with Windows95, and is also supported on
   the other newer Windows versions (98, ME, 2000 and XP).

   OS/2 and eCS also support it through the 3rd-party installable
   filesystem FAT32.IFS made by Henk Kelder.

   The FAT has no redundancy and is sensitive to errors like:
   - lost clusters   where no directory entry points to the chain
   - cross links     where two allocation chains point to the same
                     cluster at some point.

    The lack of redundancy also makes it VERY hard to undelete files
    in a reliable way. At this point DFSee does NOT support undelete

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


HFS+, macOS journaled FS

From main menu: Edit -> Force operation Mode=xxx -> HFS+, macOS journaled FS

Check, analyse, display or fix the HFS+, journaled filesystem for the MAC


   This will enable all HFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   The original HFS was used with the MAC for several years, and was
   enhanced with journalling and several other improvements in HFS+

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


HPFS, OS/2 std native FS

From main menu: Edit -> Force operation Mode=xxx -> HPFS, OS/2 std native FS

Check, analyse, display or fix HPFS/HPFS386 filesystems (OS2, eCS, BlueLion)

Menu item screenshot(s)


   This will enable all HPFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   High Performance FileSystem
   Offered as a real improvement over the classic FAT filesystems
   with the OS/2 and eCS Operating System. Its main advantages are
   faster access, more reliable error recovery and better handling
   of large disks. There is also a (server) version called HPFS386

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


ISO ISO9660 CDROM/DVD FS

From main menu: Edit -> Force operation Mode=xxx -> ISO ISO9660 CDROM/DVD FS

Analyse, display and Browse ISO9660 CDROM, DVD or .iso imagefiles


   This will enable all ISO-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   ISO9660 filesystem

   The ISO9660 filesystem is used on CDROM, DVD and most .iso imagefiles

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


JFS, OS/2 journaled FS

From main menu: Edit -> Force operation Mode=xxx -> JFS, OS/2 journaled FS

Check, analyse, display or fix JFS filesystem, IBM OS2/eCS or Linux flavour

Menu item screenshot(s)


   This will enable all JFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   Journalling File System
   A filesystem originally developed by IBM for the AIX operating
   system sharing a lot of features with other UNIX filesystems
   and adding journalling on all filesystem metadata operations.
   This greatly reduces the time to check and repair any damage
   after crashes or other disasters (CHKDSK).
   First offered for OS/2 with WSeB and now also available in eCS
   and the Convenience Packs 1 & 2 for the desktop.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


NTFS, Win-NT/XP/7/8/10 FS

From main menu: Edit -> Force operation Mode=xxx -> NTFS, Win-NT/XP/7/8/10 FS

Check, analyse, display or fix NTFS filesystem (Win-NT/2000/XP/7/8/10)


   This will enable all NTFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   New Technology File System
   The new (journalling) filesystem introduced with Windows-NT.
   It has many of the same improvements over FAT as HPFS, but has
   a totally different internal structure. It also adds security
   information and compression and is expandable by defining new
   stream-types. Several versions exist that added specific

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


Reiser Linux journaled FS

From main menu: Edit -> Force operation Mode=xxx -> Reiser Linux journaled FS

Check, analyse, display or fix ReiserFS, journaled filesystem on Linux


   This will enable all ReiserFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   The ReiserFS, designed by Hans Reiser, is one of the newer file
   systems used with Linux (and Unix) and is known for high performance.
   It implements journalling as well and uses database-like structures.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


Swap Linux SWAP space

From main menu: Edit -> Force operation Mode=xxx -> Swap Linux SWAP space

Check, analyse, display a Linux SWAP space area, enabling 'smart' imaging


   This will enable all SWAP-specific commands and menus

   The main reason for a seperat 'swap' mode is allowing
    smart disk imaging and cloning, using the available
    logic to skip all SWAP blocks except the first one.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    


XFS, Linux journaled FS

From main menu: Edit -> Force operation Mode=xxx -> XFS, Linux journaled FS

Check, analyse, display or fix the XFS, journaled filesystem on Linux


   This will enable all XFS-specific commands and menus

   Forcing the FS-mode in itself is not dangerous in any case, however,
   FS-specific commands like 'fixboot' in an incorrect mode CAN be!

   The original XFS design was circulated within SGI in October 1993
    as 'xFS: the extension of EFS'. XFS was first released in IRIX 5.3.
   The port to Linux began in 1999 against 2.3.40. It was accepted into
   the mainline in the 2.5 kernel in 2002, and the 2.4 kernel in 2004.

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    



Auxiliary mode unknown FS

From main menu: Edit -> Force operation Mode=xxx -> Auxiliary mode unknown FS

Generic analysis and display for any filesystem unknown to DFSee


   This will disable all FS-specific commands and menus

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    Press <F1> again for more help; Some options may require switching to 'Expert mode'

    



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