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Unix File System: History, Implementations & History and evolution

The Unix file system (UFS) is a family of file systems supported by many Unix and Unix-like operating systems. It is a distant descendant of the original filesystem used by Version 7 Unix.

Language: English [EN]
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Unix File System topic overview

The analysis highlights History, Implementations and History and evolution as prominent areas in the source structure around Unix File System.

Related topics
45
Source areas
4
Connected nodes
49
Extracted relationships
11
Concept neighborhoods
27
Bridge connections
49

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.

Implementations · 29 topics
Design · 6 topics
History and evolution · 6 topics
Overview · 4 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.

Date range
UFS1: December 14, 1901–January 18, 2038, UFS2: 64-bit signed integer offset from epoch
Date resolution
UFS1 and UFS2: Nanosecond
Dates recorded
UFS1 and UFS2: last access time (atime), last modified time (mtime), last inode change time (ctime), UFS2: inode creation time (birthtime)
Developer
CSRG
Directory contents
tables
Full name
UNIX file system

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

Design

History and evolution

Implementations

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 Unix File System connects Entity context

The extracted context around Unix File System shows recurring relationship patterns in the source. For example, Unix File System → UFS1: December 14, 1901–January 18, 2038, UFS2: 64-bit signed integer offset from epoch Another extracted example is Unix File System → UFS1 and UFS2: Nanosecond. Use these groups to spot repeated connection types before inspecting the individual relationships.

Unix File System

Top relations

Date range · 1
Unix File System → UFS1: December 14, 1901–January 18, 2038, UFS2: 64-bit signed integer offset from epoch
Date resolution · 1
Unix File System → UFS1 and UFS2: Nanosecond
Dates recorded · 1
Unix File System → UFS1 and UFS2: last access time (atime), last modified time (mtime), last inode change time (ctime), UFS2: inode creation time (birthtime)
Developer · 1
Unix File System → CSRG
Directory contents · 1
Unix File System → tables
Full name · 1
Unix File System → UNIX file system
Introduced · 1
Unix File System → with 4.2BSD
Max file size · 1
Unix File System → 273 bytes (8 ZiB)
Max filename length · 1
Unix File System → 255 bytes
Max volume size · 1
Unix File System → 273 bytes (8 ZiB)

Important terminology

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

Important terminology

file ufs system freebsd also unix blocks ufs2 bsd ffs block systems data filesystem openbsd directory os inodes number files

Unix File System relationships Subject–Predicate–Object triples

TTTA extracted 11 structured relationships around Unix File System. Examples in this analysis include Unix File System → Date range → UFS1: December 14, 1901–January 18, 2038, UFS2: 64-bit signed integer offset from epoch and Unix File System → Date resolution → UFS1 and UFS2: Nanosecond. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Unix File SystemDate rangeUFS1: December 14, 1901–January 18, 2038, UFS2: 64-bit signed integer offset from epoch1.00infobox
Unix File SystemDate resolutionUFS1 and UFS2: Nanosecond1.00infobox
Unix File SystemDates recordedUFS1 and UFS2: last access time (atime), last modified time (mtime), last inode change time (ctime), UFS2: inode creation time (birthtime)1.00infobox
Unix File SystemDeveloperCSRG1.00infobox
Unix File SystemDirectory contentstables1.00infobox
Unix File SystemFull nameUNIX file system1.00infobox
Unix File SystemIntroducedwith 4.2BSD1.00infobox
Unix File SystemMax file size273 bytes (8 ZiB)1.00infobox
Unix File SystemMax filename length255 bytes1.00infobox
Unix File SystemMax volume size273 bytes (8 ZiB)1.00infobox
Unix File SystemSupported operating systemsA/UX, DragonFly BSD, FreeBSD, FreeNAS, NAS4Free, HP-UX, NetBSD, NeXTSTEP, Linux, OpenBSD, illumos, Solaris, SunOS, Tru64 UNIX, UNIX System V, Orbis OS, and others1.00infobox

Related concept clusters Concept neighborhoods

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

  • Unix File System
    • System
    • Inode
    • Directory
    • Netbsd
    • Solaris
    • Openbsd
    • Soft
    • Updates
    • Bsd
    • Systems
    • Ufs
    • Unix
  • unix file system
    • System
    • Also
    • Inode
    • Directory
    • Netbsd
    • Solaris
    • Soft
    • Updates
    • Openbsd
    • Ufs2
    • Systems
    • Blocks
  • file systems
    • System
    • Unix
    • Netbsd
    • Solaris
    • Supported
    • Ufs2
    • Ufs
    • Inode
    • Openbsd
    • Also
    • Directory
    • Filesystem
  • version 7 unix
    • Inode
    • Supported
    • Used
    • Directory
    • Ufs2
    • Openbsd
    • Netbsd
    • Solaris
    • Ufs
    • Bsd
    • Freebsd
    • Since
  • boot blocks
    • Data
    • Cylinder
    • Block
    • Inodes
    • Number
    • Bsd
    • Disk
    • Superblock
    • Ffs
    • File
    • Larger
    • System
  • data blocks
    • Inodes
    • Data
    • Cylinder
    • Block
    • Number
    • Bsd
    • Disk
    • Metadata
    • Superblock
    • Directory
    • Files
    • Ffs
  • root directory
    • Inode
    • Bsd
    • Metadata
    • Unix
    • Cylinder
    • Netbsd
    • Openbsd
    • Files
    • Systems
    • Data
    • Freebsd
    • Ufs2
  • bsd 4.2
    • Data
    • Cylinder
    • Netbsd
    • Openbsd
    • Directory
    • Blocks
    • Metadata
    • Ffs
    • Freebsd
    • Disk
    • Inode
    • Inodes

Connections between topic areas Semantic bridges

For Unix File System, one of the stronger structural bridges in this analysis connects Unix File System with Implementations. 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
Unix File SystemImplementations · splits 20 ⟂ 30
Unix File SystemDesign · splits 43 ⟂ 7
Unix File SystemHistory and evolution · splits 43 ⟂ 7
Unix File SystemOverview · splits 45 ⟂ 5

Map overview Semantic statistics

Unix File System

Nodes50
Edges49
Triples11
Avg. degree1.96
Density0.04
Components1

Source & methodology

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

Source: Wikipedia — Unix File System · EN edition · Analysis: TopicsToTalkAbout

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