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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 ...
Operating system File system; ... file system: 1980: 86-DOS: FAT12, but logically format incompatible ... Disk Block; Timeline of DOS operating systems; History of ...
Original operating system; DECtape: DEC: 1964 PDP-6 Monitor OS/3x0 FS: IBM: 1964 OS/360: Level-D DEC: 1968 TOPS-10: George 3 ICT (later ICL) 1968 George 3: Version 6 Unix file system (V6FS) Bell Labs: 1972 Version 6 Unix: RT-11 file system DEC: 1973 RT-11: Disk Operating System GEC: 1973 Core Operating System CP/M file system: Digital Research ...
Windows (64-bit editions only).EXE: Yes by file Yes Yes Yes Yes Yes Yes "Compiled Hybrid Portable Executable" Yes Mach-O [7] NeXTSTEP, macOS, iOS, watchOS, tvOS: none Yes by section Some (limited to max. 256 sections) Yes Yes Yes Yes Yes Yes No OS/360: OS/360 and successors, and VS/9, mainframe operating systems none No No No No No Yes Yes No ...
D64 – An archive of a Commodore 64 floppy disk. DAA – DAA: Closed-format, Windows-only compressed disk image; DMG – Macintosh disk image files; DMS – a disk-archiving system native to the Amiga. DSK – For archiving floppy disks from a number of other platforms, including the ZX Spectrum and Amstrad CPC.
Oddly, one of the few places this "upsizing" did not take place was the file directory itself, which limits HFS to a total of 65,535 files on each logical disk. While HFS is a proprietary file system format, it is well-documented; there are usually solutions available to access HFS-formatted disks from most modern operating systems.
File Allocation Table (FAT) is a file system developed for personal computers and was the default file system for the MS-DOS and Windows 9x operating systems. [citation needed] Originally developed in 1977 for use on floppy disks, it was adapted for use on hard disks and other devices.
WIMBoot reduces Windows disk usage by keeping system files in a compressed WIM image on a separate hidden disk partition. [82] Similarly to CompactOS, Windows system directories only contain sparse files marked by a reparse point with a WOF tag, and Windows Overlay Filter driver decompresses file contents on-the-fly from the WIM image.