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mformat(1)									       mformat(1)

       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.

       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] [-n 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]

       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 option)

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

       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

       f      Specifies the size of the DOS filesystem to format. Only a certain number of prede-
	      fined sizes are supported by this flag; for others use the -h/-t/-n flags. The fol-
	      lowing sizes are supported:

	      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, number 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 different 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 details. 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 sectors 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 automatically

       a      If  this	option is given, an Atari style serial number is generated.  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 floppies and hard disk partitions, but is
	      interesting for image files.

       H      number of hidden sectors. This parameter is useful for formatting hard disk  parti-
	      tion,  which  are  not  aligned on track boundaries (i.e. first head of first track
	      doesn't belong to the partition, but contains a partition table). In that case  the
	      number  of hidden sectors is in general the number of sectors per cylinder. This is

       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 versions 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.

       r      Sets the size of the root directory (in sectors).  Only applicable to 12 and 16 bit

       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  geometry  fields  and
	      other similar filesystem data are updated to match the target disks parameters.

       To format a diskette at a density other than the default, you must supply (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.  How-
       ever,  this  process is only approximative, and some items, such as crossreferences, foot-
       notes and indices are lost in this translation  process.   Indeed,  these  items  have  no
       appropriate  representation in the manpage format.  Moreover, not all information has been
       translated into the manpage version.  Thus I strongly advise you to use the original  tex-
       info 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 following commands:

		     ./configure; make dvi; dvips mtools.dvi

       *      To generate a html copy,	run:

		     ./configure; make html

	      A   premade   html   can	 be  found  at:  `http://mtools.linux.lu'  and	also  at:

       *      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-3.9.8				     02Jun01				       mformat(1)
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