Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

DOS extender

A DOS extender is a computer software program running under DOS that enables software to run in a protected mode environment even though the host operating system is only capable of operating in real mode.

History & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around DOS extender. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Notable DOS extended applications

41 related topics

DOS extenders

19 related topics

Development history

8 related topics

DOS extender operation

7 related topics

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

DOS extender operation

Development history

DOS extenders

Notable DOS extended applications

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.

Map overview Semantic statistics

DOS extender

Nodes87
Edges86
Triples171
Avg. degree1.98
Density0.022989
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

DOS extender

Top relations

related to DOS extenders · 80
DOS extender → Al Williams, Architects, As, Assembly, BIOS, Blink Inc Version, Borland, Borland C/C, Borland Power Pack, CA-Clipper, CauseWay, Charles, CWSDPMI, Daggerfall, DBOS, Delphi, Digital Mars, DJGPP, Dobb's Journal, DOS
has application · 49
DOS extender → Adobe Acrobat Reader, ATT Graphics Software Labs, AutoCAD, BBS, Com's AbuseBlizzard Entertainment's Warcraft, Comanche, Command, CONFIG, Conquer, Darkness3D Realms' Duke Nukem, DESQview/X, DJGPP, DOS, DOS/4GW, EMM386, EMS, Fortran, Grand Theft Auto, Humans, Later
related to DOS extender operation · 15
DOS extender → API, As DOS, BIOS, DOS, DOS API, Global Descriptor Table, In, MB, Protected, Since, Some, The, These, This, V86
related to history · 14
DOS extender → As, Doom, DOS, DOS/4GW, Fortran, Included, PC, Phar Lap, Rational Systems, Software's, Tenberry Software's, The DOS, Watcom's, While
related to External links · 6
DOS extender → Archived, DOS, FreeDOS, HX-DOSThe Free Country's, March, Retrieved August
is a · 3
DOS extender → computer software program running under DOS that enables software to run in a protected mode environment even though the host operating system is only capable of operating in re…, extender for 32-bit Assembly apps, program that

Important terminology Word statistics

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

Important terminology

dos extender mode protected software dpmi memory extenders used real programs program system later two included 32-bit development djgpp incompatible

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
DOS extenderis acomputer software program running under DOS that enables software to run in a protected mode environment even though the host operating system is only capable of operating in re…0.90text
DOS extenderis aprogram that0.90text
DOS extenderis aextender for 32-bit Assembly apps0.90text
id Software's successful Doom.While initially it was the memory-hungry business applications that drove the development of DOS extendersinstance ofit soon became a ubiquitous mainstay of PC applications and games0.80text
it would be PC games that truly brought them into the spotlightinstance ofit soon became a ubiquitous mainstay of PC applications and games0.80text
Daggerfall use it.DOS/32 as an alternative to DOS/4G by Narech K.Ergoinstance ofA few rare games0.80text
EMM386instance ofSerpent Isle by Origin Systems also used a custom Unreal mode memory manager called the Voodoo Memory Manager which was incompatible with EMS memory and memory managers0.80text
DOS extenderhas applicationATT Graphics Software Labs0.60section
DOS extenderhas applicationRIO0.60section
DOS extenderhas applicationResolution Independent Objects0.60section
DOS extenderhas applicationAdobe Acrobat Reader0.60section
DOS extenderhas applicationDOS/4GW0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.