While FAT12 is used on floppy disks, FAT16 and FAT32 are typically found on the larger media.įAT is used internally for the EFI system partition in the boot stage of EFI-compliant computers. These standards cover FAT12 and FAT16 with only short 8.3 filename support long filenames with VFAT were partially patented.
Windows Me was the final version of Windows to use FAT as it's default file system.įor floppy disks, FAT has been standardized as ECMA-107 and ISO/ IEC 9293:1994 (superseding ISO 9293:1987 ). Microsoft introduced NTFS with the Windows NT platform in 1993, but FAT remained the standard for the home user until the introduction of Windows XP in 2001. Uses įAT was also used on hard disks throughout the DOS and Windows 9x eras. Nevertheless, FAT continues to be used on flash and other solid-state memory cards and modules (including USB flash drives), many portable and embedded devices because of its compatibility and ease of implementation. FAT was replaced with NTFS as the default file system on Microsoft operating systems starting with Windows XP. The increase in disk drives capacity required three major variants: FAT12, FAT16 and FAT32. Originally developed in 1977 for use on floppy disks, it was adapted for use on hard disks and other devices. FAT12/FAT16: Per-volume only with DR-DOSįile Allocation Table ( FAT) is a file system developed for personal computers and was the default filesystem for MS-DOS and Windows 9x operating systems.
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