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Formats magnetic disks and partitions in specified file formats (FAT, FAT32, NTFS). Works with floppy and hard disks.


Type FORMAT followed by the drive letter and a colon, a space, then /fs: and the name of the file system (FAT, FAT32, or NTFS). For example, to format drive E: as FAT32, you would type:


Floppy disks can be formatted only as FAT. FAT is the designation for FAT16. If you omit the /fs switch, the system will use the default.


/fs: followed by the desired file system: This switch determines the file system, but if you leave it out, Windows will use the default. For example, floppies will automatically be formatted as FAT.

/q: Quick format. Skips a sector-by-sector surface scan of the disk. Use only with a disk known not to have any bad sectors.

/c: Compress newly added files. Works only with NTFS partitions.

/s: (95, 98, and DOS only) Formats a floppy and copies the three DOS files (, IO.sys, MSDOS.sys) onto it. This switch will work in 95 and 98, and any time the computer is booted into MS-DOS.


  • Formatting a disk erases all data on the disk, regardless of the method used to format.

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PC Repair and Maintenance(c) A Practical Guide
PC Repair and Maintenance: A Practical Guide (Charles River Media Networking/Security)
ISBN: 1584502665
EAN: 2147483647
Year: 2004
Pages: 175

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