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In computing, format is a command-line utility that carries out disk formatting. It is a component of various operating systems , including 86-DOS , MS-DOS , IBM PC DOS and OS/2 , Microsoft Windows and ReactOS .
The raw IMG file format is used by several tools: RaWrite and WinImage use the IMG disk image format to read and write floppy disk images. ImDisk and Virtual Floppy Drive can mount a raw image of a floppy disk to emulate a floppy drive under Microsoft Windows. Nero Burning ROM supports reading IMG files for creating bootable CDs.
A block, a contiguous number of bytes, is the minimum unit of storage that is read from and written to a disk by a disk driver.The earliest disk drives had fixed block sizes (e.g. the IBM 350 disk storage unit (of the late 1950s) block size was 100 six-bit characters) but starting with the 1301 [8] IBM marketed subsystems that featured variable block sizes: a particular track could have blocks ...
Microsoft advertised DoubleSpace on the cover of MS-DOS 6 distributions (user's guide for MS-DOS 6 with Windows 3.1 pack-in pictured, DoubleSpace sticker top-right). In the most common usage scenario, the user would have one hard drive in the computer, with all the space allocated to one partition (usually as drive C:).
Distribution Media Format (DMF) is a format for floppy disks that Microsoft used to distribute software. [ 1 ] [ 2 ] It allowed the disk to contain 1680 KiB of data on a 3 1 ⁄ 2 -inch disk, instead of the standard 1440 KiB .
Tools. Tools. move to sidebar hide. Actions Read; ... but logically format incompatible with MS-DOS/PC DOS. ... Windows NT 3.5: NTFS 1.1 1995: Windows 95: FAT16B with ...
Zip drive (floppy-like, but incompatible medium using different technology) PocketZip (floppy-like, but incompatible medium using different technology) SuperDisk (floppy-like with drives also compatible with 3.5" floppy disks) Magneto-optical drive (floppy-like, but incompatible medium using different technology)
Floptical refers to a type of floppy disk drive that combines magnetic and optical technologies to store data on media similar to standard 3 + 1 ⁄ 2-inch floppy disks. The name is a portmanteau of the words "floppy" and "optical". It refers specifically to one brand of drive and disk system, but is also used more generically to refer to any ...