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File Allocation Table: Applications, Uses & Variants

File Allocation Table (FAT) is a file system developed for personal computers and was the default file system for the DOS and Windows 9x operating systems. Originally developed in 1977 for use on floppy disks, it was adapted for use on hard disks and other devices. The increase in disk drive capacity over time drove modifications to the design that…

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File Allocation Table topic overview

The analysis highlights Applications, Uses and Variants as prominent areas in the source structure around File Allocation Table. 1 topic appears in more than one source area, which can help identify connections that are less obvious in a linear reading.

Related topics
218
Source areas
7
Connected nodes
227
Extracted relationships
83
Concept neighborhoods
69
Bridge connections
227

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Variants · 75 topics
Extensions · 45 topics
Overview · 38 topics
Uses · 26 topics
Derivatives · 25 topics
Patents · 7 topics
Technical details · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Attributes
Read-only, hidden, system, volume, directory, archive
Bad blocks
Cluster tagging
Date range
1980-01-01 to 2099-12-31 (2107-12-31)
Date resolution
2 seconds for last modified time, · 2 seconds for creation time, · 1 day for access date, · 2 seconds for deletion time
Dates recorded
Modified date/time, creation date/time (DOS 7.0 and higher only), · access date (only available with ACCDATE enabled), · deletion date/time (only with DELWATCH 2)
Developer(s)
Microsoft, NCR, SCP, IBM, Compaq, Digital Research, Novell, Caldera

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Uses

Technical details

Variants

Extensions

Derivatives

Patents

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How File Allocation Table connects Entity context

The extracted context around File Allocation Table shows recurring relationship patterns in the source. For example, File Allocation Table → FAT32, GB, It, Its, Memory Stick XC, November, SDXC, Vendors, Vista Service Pack, Windows Embedded CE, Windows XP Service Pack, Windows NT, Windows XP Update KB955704 Another extracted example is File Allocation Table → As, Each, Even, FAT, Sub-directories, The, The FAT. Use these groups to spot repeated connection types before inspecting the individual relationships.

File Allocation Table

Top relations

related to exFAT · 13
File Allocation Table → FAT32, GB, It, Its, Memory Stick XC, November, SDXC, Vendors, Vista Service Pack, Windows Embedded CE, Windows XP Service Pack, Windows NT, Windows XP Update KB955704
related to Technical details · 7
File Allocation Table → As, Each, Even, FAT, Sub-directories, The, The FAT
File system permissions · 5
File Allocation Table → execute with only FlexOS, 4680 OS, 4690 OS;, FAT12/FAT16: File, directory and volume access rights for read, write, execute, delete only with DR-DOS, PalmDOS, Novell DOS, OpenDOS, FlexOS, 4680 OS, 4690 OS, Concurrent DOS,…, FAT32: Partial, only with DR-DOS, REAL/32 and 4690 OS, individual file / directory passwords not with FlexOS, 4680 OS, 4690 OS;, world/group/owner permission classes only with multiuser security loaded
Date resolution · 4
File Allocation Table → 1 day for access date,, 2 seconds for creation time,, 2 seconds for deletion time, 2 seconds for last modified time,
Partition IDs · 4
File Allocation Table → BDP: EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, FAT12: 0x01 e.a. (Extended Attribute), FAT16: 0x040x060x0E e.a., FAT32: 0x0B0x0C e.a.
Dates recorded · 3
File Allocation Table → access date (only available with ACCDATE enabled),, deletion date/time (only with DELWATCH 2), Modified date/time, creation date/time (DOS 7.0 and higher only),
Max no. of files · 3
File Allocation Table → FAT12: 4,068 for 8 KB clusters, FAT16: 65,460 for 32 KB clusters, FAT32: 268,173,300 for 32 KB clusters
Max volume size · 3
File Allocation Table → FAT12: 32 MB (256 MB for 64 KB clusters), FAT16: 2 GB (4 GB for 64 KB clusters), FAT32: 2 TB (16 TB for 4 KB sectors)
Transparent compression · 2
File Allocation Table → FAT12/FAT16: Per-volume, SuperStor, Stacker, DoubleSpace, DriveSpace, FAT32: No
Transparent encryption · 2
File Allocation Table → FAT12/FAT16: Per-volume only with DR-DOS, FAT32: No

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

fat file fat32 fat16 system disk windows fat12 dos size microsoft directory ms-dos partition cluster support systems used operating filenames

File Allocation Table relationships Subject–Predicate–Object triples

TTTA extracted 83 structured relationships around File Allocation Table. Examples in this analysis include File Allocation Table → Attributes → Read-only, hidden, system, volume, directory, archive and File Allocation Table → Bad blocks → Cluster tagging. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
File Allocation TableAttributesRead-only, hidden, system, volume, directory, archive1.00infobox
File Allocation TableBad blocksCluster tagging1.00infobox
File Allocation TableDate range1980-01-01 to 2099-12-31 (2107-12-31)1.00infobox
File Allocation TableDate resolution2 seconds for last modified time,1.00infobox
File Allocation TableDate resolution2 seconds for creation time,1.00infobox
File Allocation TableDate resolution1 day for access date,1.00infobox
File Allocation TableDate resolution2 seconds for deletion time1.00infobox
File Allocation TableDates recordedModified date/time, creation date/time (DOS 7.0 and higher only),1.00infobox
File Allocation TableDates recordedaccess date (only available with ACCDATE enabled),1.00infobox
File Allocation TableDates recordeddeletion date/time (only with DELWATCH 2)1.00infobox
File Allocation TableDeveloper(s)Microsoft, NCR, SCP, IBM, Compaq, Digital Research, Novell, Caldera1.00infobox
File Allocation TableDirectory contentsTable1.00infobox
File Allocation TableFile allocationLinked list1.00infobox
File Allocation TableFile system permissionsFAT12/FAT16: File, directory and volume access rights for read, write, execute, delete only with DR-DOS, PalmDOS, Novell DOS, OpenDOS, FlexOS, 4680 OS, 4690 OS, Concurrent DOS,…1.00infobox
File Allocation TableFile system permissionsexecute with only FlexOS, 4680 OS, 4690 OS;1.00infobox
File Allocation TableFile system permissionsindividual file / directory passwords not with FlexOS, 4680 OS, 4690 OS;1.00infobox
File Allocation TableFile system permissionsworld/group/owner permission classes only with multiuser security loaded1.00infobox
File Allocation TableFile system permissionsFAT32: Partial, only with DR-DOS, REAL/32 and 4690 OS1.00infobox
File Allocation TableForksNot natively1.00infobox
File Allocation TableFull nameFile Allocation Table1.00infobox
File Allocation TableIntroduced1977 (1977) with Standalone Disk BASIC-801.00infobox
File Allocation TableMax file size4,294,967,295 bytes (4 GB − 1) with FAT16B and FAT321.00infobox
File Allocation TableMax filename length8.3 filename, or 255 UCS-2 characters when using LFN[nb 1]1.00infobox
File Allocation TableMax no. of filesFAT12: 4,068 for 8 KB clusters1.00infobox
File Allocation TableMax no. of filesFAT16: 65,460 for 32 KB clusters1.00infobox
File Allocation TableMax no. of filesFAT32: 268,173,300 for 32 KB clusters1.00infobox
File Allocation TableMax volume sizeFAT12: 32 MB (256 MB for 64 KB clusters)1.00infobox
File Allocation TableMax volume sizeFAT16: 2 GB (4 GB for 64 KB clusters)1.00infobox
File Allocation TableMax volume sizeFAT32: 2 TB (16 TB for 4 KB sectors)1.00infobox
File Allocation TablePartition IDsFAT12: 0x01 e.a. (Extended Attribute)1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around File Allocation Table bring nearby vocabulary together. In this analysis, examples include System, Systems and Directory. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • File Allocation Table
    • System
    • Systems
    • Directory
    • Fat32
    • Attributes
    • Cluster
    • Filenames
    • Microsoft
    • Size
    • Os
    • Operating
    • Long
  • file allocation table
    • System
    • Systems
    • Directory
    • Fat32
    • Attributes
    • Cluster
    • Filenames
    • Microsoft
    • Size
    • Os
    • Operating
    • Long
  • file system
    • System
    • Microsoft
    • Operating
    • Systems
    • Fat32
    • Directory
    • Attributes
    • Windows
    • Cluster
    • Filenames
    • Size
    • Os
  • dos
    • Pc
    • Ms-dos
    • Introduced
    • Partition
    • Disk
    • Fat
    • Sector
    • Partitions
    • System
    • Fat12
    • Fat16
    • Support
  • windows 9x
    • Microsoft
    • Fat32
    • Introduced
    • System
    • Fat
    • Long
    • Systems
    • Files
    • File
    • Os
    • Operating
    • Filenames
  • windows xp
    • Microsoft
    • Fat32
    • Introduced
    • System
    • Fat
    • Long
    • Systems
    • Files
    • File
    • Os
    • Operating
    • Filenames
  • operating systems
    • Systems
    • System
    • Volumes
    • Vfat
    • Fat16
    • Also
    • Number
    • Windows
    • Microsoft
    • Used
    • Long
    • Cluster
  • embedded systems
    • Volumes
    • Vfat
    • Fat16
    • Windows
    • Also
    • Long
    • Microsoft
    • Ms-dos
    • Used
    • Files
    • Os
    • Fat32

Connections between topic areas Semantic bridges

For File Allocation Table, one of the stronger structural bridges in this analysis connects File Allocation Table with Variants. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
File Allocation Table — Variants · splits 151 ⟂ 77
File Allocation Table — Extensions · splits 182 ⟂ 46
File Allocation Table — Overview · splits 189 ⟂ 39
File Allocation Table — Uses · splits 201 ⟂ 27
File Allocation Table — Derivatives · splits 202 ⟂ 26
File Allocation Table — Patents · splits 220 ⟂ 8
File Allocation Table — Technical details · splits 224 ⟂ 4

Map overview Semantic statistics

File Allocation Table

Nodes228
Edges227
Triples83
Avg. degree1.99
Density0.008772
Components1

Source & methodology

TTTA analyzes the structure around File Allocation Table to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Applications, Uses & Variants, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — File Allocation Table · EN edition · Analysis: TopicsToTalkAbout

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