format

   format d: [options]

Options

  d:
  The hard drive or floppy disk to format.

  /V:label
  Assign this label to the formatted disk.

  /Q
  Do a quick format.  This clears the FAT and root directory, but does
  not erase the disk.

  /U
  Do an unconditional format.

  /F:size
  Format the disk to a specific size.  Valid values are:
    160 | 160k | 160kb
    Format to 160kb.

    180 | 180k | 180kb
    Format to 180kb.

    320 | 320k | 320kb
    Format to 320kb.

    360 | 360k | 360kb
    Format to 360kb.

    720 | 720k | 720kb
    Format to 720kb.

    1200 | 1200k | 1200kb | 1.2 | 1.2m | 1.2mb
    Format to 1.2MB.

    1440 | 1440k | 1440kb | 1.44 | 1.44m | 1.44mb
    Format to 1.44MB.

    2880 | 2880k | 2880kb | 2.88 | 2.88m | 2.88mb
    Format to 2.88MB.

  /B
  Reserve space to make a bootable disk.

  /S
  Make a system disk (copy files to make it bootable.)

  /T:tracks
  Specify the number of tracks on the disk.

  /N:sectors
  Specify the number of sectors.

  /1
  Format a single-sided disk.

  /4
  Format a 5-1/4 inch 360KB DSDD disk on a 1.2MB drive.

  /8
  Format a 5-1/4 inch disk with 8 SPT.