FAT16

E37469

FAT file system computer file system standard file system

FAT16 is an older 16-bit File Allocation Table file system widely used on early DOS and Windows systems, known for its simplicity and limitations in maximum partition and file sizes.

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All labels observed (3)

Label	Occurrences
FAT16 canonical	16
FAT16 file system	1
MS-DOS FAT	1

Statements (48)

Predicate	Object
instanceOf	FAT file system ⓘ computer file system standard ⓘ file system ⓘ
allocationUnit	cluster ⓘ
bitWidth	16-bit ⓘ
bootSectorContains	BIOS Parameter Block ⓘ
clusterAddressSize	16 bits ⓘ
commonlyUsedIn	Windows 3.x ⓘ early DOS systems ⓘ early Windows 95 installations ⓘ
compatibleWith	digital cameras (legacy) ⓘ many embedded systems ⓘ memory cards (legacy) ⓘ
dataStructureType	linked allocation table ⓘ
designedFor	MS-DOS ⓘ early Windows operating systems ⓘ simplicity of implementation ⓘ
developedBy	Microsoft ⓘ
directoryStructure	tree of directories and files ⓘ
doesNotSupport	compression ⓘ file-level encryption ⓘ
FATCopies	typically 2 ⓘ
fileNameCharacterSet	limited ASCII subset ⓘ
hasLimitation	inefficient space usage with large partitions ⓘ limited number of clusters ⓘ no access control lists ⓘ no built-in journaling ⓘ no file permissions model like Unix ⓘ
introducedIn	1984 ⓘ
longFilenameSupportAddedIn	Windows 95 ⓘ surface form: Windows 95 (VFAT extension)
maximumFileSize	2 GB (commonly, with 32 KB clusters) ⓘ
maximumPartitionSize	2 GB (standard implementation) ⓘ
metadataStoredIn	FAT tables ⓘ boot sector ⓘ root directory region ⓘ
originallyDidNotSupport	long filenames ⓘ
rootDirectory	fixed-size region on disk ⓘ
sectorSize	typically 512 bytes ⓘ
standardizedAs	part of Microsoft FAT specification ⓘ
supersededBy	FAT32 ⓘ NTFS ⓘ
supports	bootable partitions ⓘ read and write operations ⓘ short 8.3 filenames ⓘ
usedHistoricallyFor	system boot disks ⓘ
usedOn	floppy disks ⓘ small hard disk partitions ⓘ
uses	File Allocation Table ⓘ

Referenced by (18)

Full triples — surface form annotated when it differs from this entity's canonical label.

Windows → previousFileSystem → FAT16 ⓘ

MS-DOS → fileSystem → FAT16 ⓘ

Windows 98 → supportsFileSystem → FAT16 ⓘ

Windows XP → supportedFileSystem → FAT16 ⓘ

VFAT → extends → FAT16 ⓘ

Windows for Workgroups → supportsFileSystem → FAT16 ⓘ

FreeDOS → supports → FAT16 ⓘ

NetBSD → supportsFileSystem → FAT16 ⓘ

this entity surface form: MS-DOS FAT

FAT32 → follows → FAT16 ⓘ

FAT32 → backwardCompatibleWith → FAT16 ⓘ

Windows 9x → supportsFileSystem → FAT16 ⓘ

DR DOS → supports → FAT16 ⓘ

Memory Stick (on older models) → fileSystem → FAT16 ⓘ

subject surface form: Memory Stick

Atari TOS → fileSystem → FAT16 ⓘ

Windows 3.x → fileSystemSupport → FAT16 ⓘ

File Allocation Table → hasVariant → FAT16 ⓘ

FAT tables → usedBy → FAT16 ⓘ

subject surface form: FAT table

BIOS Parameter Block → usedIn → FAT16 ⓘ

this entity surface form: FAT16 file system