![]() ![]() ![]() Used to format a 3½" disk with the number of tracks specified using this option. Specifies the number of tracks on the disk. For 720 KB disks, this value should be entered as N:9. Used to format a 3½" disk with the number of sectors per track specified using this option. Specifies the number of sectors per track on the disk. Do not format a floppy disk at a size higher than it was designed for. You can specify the target disk to be a size value from 160Kb to 2.88Mb, e.g. The /V option cannot be used with the /8 option.įormats the disk to a size other than for what the drive was designed. If /8 is not specified, FORMAT defaults to 9 or 15 sectors per track, depending upon the disk drive type. WARNING: Files written to a 360 KB disk using a 1.2 MB floppy drive have been proven to not be reliable.įormats at 8 sectors per track. Here each of these arguments is explained: Argumentįormat for single-sided use, regardless of the drive type.įormats a double-density diskette in a high-density type disk drive. In DOS, the first floppy drive is A:, the second is B:, and the first hard disk drive is C: (if present).įORMAT a: Formatting puts crucial information (see FAT Explained) onto the disk so that the host operating system can read and understand it. ![]() In order to prepare the floppy disk to be readable on a PC, it must be formatted. This is because there are different encoding methods that were used by the various computers available at the time - Apple used a different encoding method to Commodore (GCR), and both were different to what the IBM PC and its compatibles used (MFM). ![]() Most floppy disks come out of the box 'unformatted'. All flavours of DOS (MS-DOS, PC-DOS, DR-DOS, etc) have all had the external command FORMAT since version 1.0. ![]()
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