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FreeBSD: History, Features & License

FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD). The first version was released in 1993 developed from 386BSD, one of the first fully functional and free Unix clones on affordable home-class hardware, and has since continuously been the most commonly used BSD-derived operating system.

Language: English [EN]
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FreeBSD topic overview

The analysis highlights History, Features and License as prominent areas in the source structure around FreeBSD.

Related topics
237
Source areas
7
Connected nodes
244
Extracted relationships
348
Concept neighborhoods
41
Bridge connections
244

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.

Features · 113 topics
Overview · 65 topics
History · 23 topics
License · 15 topics
Development · 9 topics
Derivatives · 7 topics
Logo · 5 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.

Default user interface
Unix shells: sh or tcsh (user-selectable) csh (in the past)
Developer
The FreeBSD Project
Initial release
1 November 1993; 32 years ago (1993-11-01)
Kernel type
Monolithic with dynamically loadable modules
Latest release
15.1 (16 June 2026; 2 months ago (2026-06-16)) [±] 14.4 (10 March 2026; 5 months ago (2026-03-10)) [±]
License
FreeBSD License, FreeBSD Documentation License

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

History

Features

Development

License

Logo

Derivatives

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 FreeBSD connects Entity context

The extracted context around FreeBSD shows recurring relationship patterns in the source. For example, FreeBSD → AT, BSD, By, CD-ROM, David Greenman, FreeBSD-related, FTP, Greg Lehey, In, Intel, Jordan Hubbard, June, Lynne Jolitz, Nate Williams, Net-2, November, On, Rod Grimes, The, The Complete FreeBSD Another extracted example is FreeBSD → Both GBDE, BSD, BSDs, Filesystem, From, GBDE, Geli, GEOM, However, OpenZFS, Oracle, Pawel Jakub Dawidek, Poul-Henning Kamp, RAID, Snapshots, Soft, Sun, Sun Microsystems, The, This. Use these groups to spot repeated connection types before inspecting the individual relationships.

FreeBSD

Top relations

related to Creation · 25
FreeBSD → AT, BSD, By, CD-ROM, David Greenman, FreeBSD-related, FTP, Greg Lehey, In, Intel, Jordan Hubbard, June, Lynne Jolitz, Nate Williams, Net-2, November, On, Rod Grimes, The, The Complete FreeBSD
related to Storage · 22
FreeBSD → Both GBDE, BSD, BSDs, Filesystem, From, GBDE, Geli, GEOM, However, OpenZFS, Oracle, Pawel Jakub Dawidek, Poul-Henning Kamp, RAID, Snapshots, Soft, Sun, Sun Microsystems, The, This
related to License · 21
FreeBSD → All, April, Atheros HAL, Beerware, BSD, BSD-licensed LLVM/Clang, CDDL, ClangBSD, Free Software, Free Software Foundation, GNU, GNU GPL, GPL, ISC, LGPL, Open Source, Open Source Initiative, Some, The, There
related to Virtualization · 19
FreeBSD → Amazon EC2 AMI, BSDCan, Dom0, DomU, For, Illumos, KVM, Linux, LXC, Microsoft Windows, Neel Natu, OpenBSD, Other, Peter Grehan, Since FreeBSD, Solaris Zones, Support, The, Xen
related to Logo · 17
FreeBSD → Also, Beastie, Bell Labs, BSD, BSD Daemon, For, FreeBSD's, However, In, John Lasseter, Lasseter, Mike O'Brien, More, Phil Foglio, Several FreeBSD-specific, Tatsumi Hosokawa, Unix T-shirts
related to Networking · 16
FreeBSD → AppleTalk, As, CARP, Common Address Redundancy Protocol, FreeBSD's TCP/IP, IP, IPSec, IPv6, IPX, KAME, OpenBSD, Prior, SCTP, TCP/IP, The IPv6, Wi-Fi
related to Development · 15
FreeBSD → AsiaBSDCon, BSD-derived, BSDCan, BSDcon, Canada, EuroBSDCon, Europe, FreeBSD-specific, In, Internet, Japan, NetBSD, OpenBSD, The, USENIX
related to Use cases · 15
FreeBSD → As, Chromium, DNS, Firefox, Fluxbox, FTP, GNOME, KDE, Lumina, Major, Openbox, The, Wayland, Window System, Xfce
related to Current situation · 14
FreeBSD → Apple's, Both, Certain, FlightAware, IBM, IT, Juniper Networks, NetApp, Netflix, Nintendo Switch, Nokia, PlayStation, Today, WhatsApp
related to Kernel · 14
FreeBSD → Although FreeBSD's, BSD-derivatives, Different, FreeBSD's, It, Kernel, NetBSD, OpenBSD, SMP, SMT, The, The FreeBSD, This, ULE

Important terminology

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

Important terminology

system bsd operating project software also version supported systems linux kernel code source support license ports used released freebsd's security

FreeBSD relationships Subject–Predicate–Object triples

TTTA extracted 348 structured relationships around FreeBSD. Examples in this analysis include FreeBSD → Default user interface → Unix shells: sh or tcsh (user-selectable) csh (in the past) and FreeBSD → Developer → The FreeBSD Project. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
FreeBSDDefault user interfaceUnix shells: sh or tcsh (user-selectable) csh (in the past)1.00infobox
FreeBSDDeveloperThe FreeBSD Project1.00infobox
FreeBSDInitial release1 November 1993; 32 years ago (1993-11-01)1.00infobox
FreeBSDKernel typeMonolithic with dynamically loadable modules1.00infobox
FreeBSDLatest release15.1 (16 June 2026; 2 months ago (2026-06-16)) [±] 14.4 (10 March 2026; 5 months ago (2026-03-10)) [±]1.00infobox
FreeBSDLicenseFreeBSD License, FreeBSD Documentation License1.00infobox
FreeBSDMarketing targetServers, workstations, embedded systems, network firewalls1.00infobox
FreeBSDOfficial websitewww.freebsd.org1.00infobox
FreeBSDOS familyUnix-like (BSD)1.00infobox
FreeBSDPackage managerpkg1.00infobox
FreeBSDRepositorycgit.freebsd.org1.00infobox
FreeBSDSource modelOpen source1.00infobox
FreeBSDSupported platformsTier 1: 64-bit x86 (amd64), 64-bit ARM (originally only 32-bit x86, i386, 32-bit x86 now with tier 2 support and additionally 64-bit RISC-V, 32-bit ARMv7, 64-bit PowerPC; previo…1.00infobox
FreeBSDUserlandBSD1.00infobox
FreeBSDWorking stateCurrent1.00infobox
FreeBSDWritten inC (C11)1.00infobox
FreeBSDis afree and open-source Unix-like operating system descended from the Berkeley Software Distribution0.90text

Related concept clusters Concept neighborhoods

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

  • FreeBSD
    • System
    • Project
    • Version
    • Also
    • Operating
    • Software
    • Bsd
    • Linux
    • Support
    • Kernel
    • Supported
    • Available
  • freebsd
    • System
    • Project
    • Version
    • Also
    • Operating
    • Software
    • Bsd
    • Linux
    • Support
    • Kernel
    • Supported
    • Available
  • operating system
    • System
    • Systems
    • Software
    • Release
    • Ports
    • Used
    • Source
    • Including
    • First
    • Version
    • Collection
    • Developers
  • berkeley software distribution
    • Systems
    • Foundation
    • System
    • Use
    • License
    • Linux
    • Used
    • Kernel
    • Documentation
    • Collection
    • Number
    • Release
  • kernel
    • Linux
    • Use
    • License
    • Software
    • Number
    • Also
    • User
    • Freebsd's
    • Support
    • Source
    • Code
    • Systems
  • source code
    • Source
    • License
    • Use
    • Ports
    • Access
    • Released
    • Project
    • System
    • Foundation
    • User
    • First
    • Kernel
  • bsd license
    • License
    • Source
    • Released
    • Release
    • Foundation
    • Use
    • Code
    • Systems
    • Operating
    • Software
    • System
    • Freebsd
  • package management system
    • Ports
    • Used
    • Source
    • Version
    • Collection
    • Developers
    • Release
    • Access
    • Including
    • Security
    • Systems
    • Documentation

Connections between topic areas Semantic bridges

For FreeBSD, one of the stronger structural bridges in this analysis connects FreeBSD with Features. 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
FreeBSD — Features · splits 131 ⟂ 114
FreeBSD — Overview · splits 179 ⟂ 66
FreeBSD — History · splits 221 ⟂ 24
FreeBSD — License · splits 229 ⟂ 16
FreeBSD — Development · splits 235 ⟂ 10
FreeBSD — Derivatives · splits 237 ⟂ 8
FreeBSD — Logo · splits 239 ⟂ 6

Map overview Semantic statistics

FreeBSD

Nodes245
Edges244
Triples348
Avg. degree1.99
Density0.008163
Components1

Source & methodology

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

Source: Wikipedia — FreeBSD · EN edition · Analysis: TopicsToTalkAbout

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