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mformat(1)		    General Commands Manual		    mformat(1)

Name
       mformat - add an	MSDOS filesystem to a low-level	formatted floppy disk

Note of	warning
       This  manpage  has  been	 automatically generated from mtools's texinfo
       documentation, and may not be entirely accurate or complete.   See  the
       end of this man page for	details.

Description
       The  mformat command is used to add an MS-DOS filesystem	to a low-level
       formatted diskette. Its syntax is:

       mformat [-t cylinders] [-h heads] [-s sectors]
	 [-f size] [-1]	[-4] [-8]
	 [-v volume_label]
	 [-F] [-S sizecode] [-X]
	 [-2 sectors_on_track_0] [-3]
	 [-0 rate_on_track_0] [-A rate_on_other_tracks]
	 [-M software_sector_size]
	 [-N serial_number] [-a]
	 [-C] [-H hidden_sectors] [-I fsVersion]
	 [-r root_sectors] [-L fat_len]
	 [-B boot_sector] [-k]
	 [-m media_descriptor]
	 drive:

       Mformat adds a minimal MS-DOS filesystem	(boot sector,  FAT,  and  root
       directory) to a diskette	that has already been formatted	by a Unix low-
       level format.

       The following options are supported: (The S, 2, 1 and M options may not
       exist  if  this copy of mtools has been compiled	without	the USE_2M op-
       tion)

       The following options are the same as for Dos's format command:

Options
       v      Specifies	the volume label. A volume label identifies  the  disk
	      and  can	be  a  maximum	of  11	characters. If you omit	the -v
	      switch, mlabel will assign no label to the disk.

       f      Specifies	the size of the	DOS filesystem to format. Only a  cer-
	      tain  number of predefined sizes are supported by	this flag; for
	      others use the -h/-t/-s flags.  The  following  sizes  are  sup-
	      ported:

	      160    160K,  single-sided,  8  sectors  per track, 40 cylinders
		     (for 5 1/4	DD)

	      180    160K, single-sided, 9 sectors  per	 track,	 40  cylinders
		     (for 5 1/4	DD)

	      320    320K,  double-sided,  8  sectors  per track, 40 cylinders
		     (for 5 1/4	DD)

	      360    360K, double-sided, 9 sectors  per	 track,	 40  cylinders
		     (for 5 1/4	DD)

	      720    720K,  double-sided,  9  sectors  per track, 80 cylinders
		     (for 3 1/2	DD)

	      1200   1200K, double-sided, 15 sectors per track,	 80  cylinders
		     (for 5 1/4	HD)

	      1440   1440K,  double-sided,  18 sectors per track, 80 cylinders
		     (for 3 1/2	HD)

	      2880   2880K, double-sided, 36 sectors per track,	 80  cylinders
		     (for 3 1/2	ED)

       t      Specifies	the number of tracks on	the disk.

       h      The number of heads (sides).

       n      Specifies	 the  number of	sectors	per track. If the 2m option is
	      given, number of 512-byte	sector equivalents on  generic	tracks
	      (i.e.  not head 0	track 0).  If the 2m option is not given, num-
	      ber of physical sectors per track	(which may be bigger than  512
	      bytes).

       1      Formats a	single side (equivalent	to -h 1)

       4      Formats  a  360K	double-sided disk (equivalent to -f 360). When
	      used together with -the 1	switch,	this  switch  formats  a  180K
	      disk

       8      Formats a	disk with 8 sectors per	track.

       MSDOS  format's	q, u and b options are not supported, and s has	a dif-
       ferent meaning.

       The following options are specific to mtools:

       F      Format the partition as FAT32.

       S      The sizecode. The	size of	the sector is 2	^ (sizecode + 7).

       X      formats the disk as an XDF disk. See section XDF,	for  more  de-
	      tails.  The  disk	 has first to be low-level formatted using the
	      xdfcopy utility included in the fdutils package. XDF  disks  are
	      used for instance	for OS/2 install disks.

       2      2m  format. The parameter	to this	option describes the number of
	      sectors on track 0, head 0. This option is recommended for  sec-
	      tors bigger than normal.

       3      don't  use a 2m format, even if the current geometry of the disk
	      is a 2m geometry.

       0      Data transfer rate on track 0

       A      Data transfer rate on tracks other than 0

       M      software sector size. This parameter describes the  sector  size
	      in  bytes	 used  by  the MS-DOS filesystem. By default it	is the
	      physical sector size.

       N      Uses the requested serial	number,	instead	of generating one  au-
	      tomatically

       a      If  this option is given,	an Atari style serial number is	gener-
	      ated.  Ataris store their	serial number in the OEM label.

       C      creates the disk image file to install the MS-DOS	filesystem  on
	      it. Obviously, this is useless on	physical devices such as flop-
	      pies and hard disk partitions,  but  is  interesting  for	 image
	      files.

       H      number  of  hidden sectors. This parameter is useful for format-
	      ting hard	disk partition,	which are not aligned on track	bound-
	      aries (i.e. first	head of	first track doesn't belong to the par-
	      tition, but contains a partition table). In that case the	number
	      of hidden	sectors	is in general the number of sectors per	cylin-
	      der. This	is untested.

       I      Sets the fsVersion id when formatting a FAT32 drive.   In	 order
	      to find this out,	run minfo on an	existing FAT32 drive, and mail
	      me about it, so I	can include the	correct	value in  future  ver-
	      sions of mtools.

       c      Sets  the	 size of a cluster (in sectors).  If this cluster size
	      would generate a FAT that	too big	for its	number of bits,	mtools
	      automatically increases the cluster size,	until the FAT is small
	      enough.

       d      Sets the number of FAT copies. Default is	2.  This  setting  can
	      also be specified	using the MTOOLS_NFATS environment variable.

       r      Sets the size of the root	directory (in sectors).	 Only applica-
	      ble to 12	and 16 bit FATs. This setting can  also	 be  specified
	      using the	MTOOLS_DIR_LEN environment variable.

       L      Sets the length of the FAT.

       B      Use  the	bootsector stored in the given file or device, instead
	      of using its own.	 Only the geometry fields are updated to match
	      the target disks parameters.

       k      Keep the existing	boot sector as much as possible.  Only the ge-
	      ometry fields and	other similar filesystem data are  updated  to
	      match the	target disks parameters.

       m      Use  a non-standard media	descriptor byte	for this disk. The me-
	      dia descriptor is	stored at position 21 of the boot sector,  and
	      as  first	 byte  in each FAT copy. Using this option may confuse
	      DOS or older mtools version, and may make	the  disk  unreadable.
	      Only use if you know what	you are	doing.

       To format a diskette at a density other than the	default, you must sup-
       ply (at least) those command line parameters that  are  different  from
       the default.

       Mformat returns 0 on success or 1 on failure.

       It  doesn't record bad block information	to the Fat, use	mbadblocks for
       that.

See Also
       Mtools' texinfo doc

Viewing	the texi doc
       This manpage has	been automatically  generated  from  mtools's  texinfo
       documentation.  However,	 this  process is only approximative, and some
       items, such as crossreferences, footnotes and indices are lost in  this
       translation process.  Indeed, these items have no appropriate represen-
       tation in the manpage format.  Moreover,	not all	information  has  been
       translated into the manpage version.  Thus I strongly advise you	to use
       the original texinfo doc.  See the end of this manpage for instructions
       how to view the texinfo doc.

       *      To  generate a printable copy from the texinfo doc, run the fol-
	      lowing commands:

		     ./configure; make dvi; dvips mtools.dvi

       *      To generate a html copy,	run:

		     ./configure; make html

	      A	 premade  html	can  be	 found	at   `http://www.gnu.org/soft-
	      ware/mtools/manual/mtools.html'

       *      To  generate  an	info  copy (browsable using emacs' info	mode),
	      run:

		     ./configure; make info

       The texinfo doc looks most pretty when printed or as html.  Indeed,  in
       the  info  version  certain  examples  are difficult to read due	to the
       quoting conventions used	in info.

mtools-4.0.10			    10Mar09			    mformat(1)

Name | Note of warning | Description | Options | See Also | Viewing the texi doc

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