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Fdformat is the name of two unrelated programs, both performing "low-level format" of floppy disks. DOS tool ... FTP for the DOS tool, version 1.8, compiled .exe and ...
Formatting a disk for use by an operating system and its applications typically involves three different processes. [e]Low-level formatting (i.e., closest to the hardware) marks the surfaces of the disks with markers indicating the start of a recording block (typically today called sector markers) and other information like block CRC to be used later, in normal operations, by the disk ...
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 .
It contained a number of tools to enhance the functions of the version of DoubleSpace that came with MS-DOS 6.0. This included various diagnostic features, the ability to have compressed removable media auto- mounted as they were used, as well as support for background defragmentation of DoubleSpace compressed drives. [ 3 ]
We agree that the DOS and UNIX worlds distinguish between low level formatting and high level formatting. We agree that that subsequent to "formatting" of a 60s era medium and the combination of "low-level and high level formating" of a DOS or Unix medium the medium is suitable for use by an operating system.
When a soft-sectored disk is low-level "formatted", each track is written with a number of bytes calculated to fit within 360 degrees at the highest expected motor speed. Special bit patterns are written right before the location where a sector should start, and serve as identifiers, similar to the punched holes used by hard-sectored disks.
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Formatting tools or non-DR SYS-type tools may clear these bits, but other disk tools should leave bits 15-8 unchanged. 0x02A 0x1F 2 Version (defined as 0.0). The high byte of the version number is stored at offset 0x02B, and the low byte at offset 0x02A. [4] FAT32 implementations should refuse to mount volumes with version numbers unknown by them.