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Index DOS

DOS is a family of disk operating systems. [1]

199 relations: AmigaDOS, Apple DOS, Apple II, Apple ProDOS, Arachne (web browser), AT&T, Atari DOS, AUTOEXEC.BAT, Background process, BASIC, Batch file, BatteryMAX (idle detection), Bill Gates, BIOS, Boot sector, Booting, Borland, Borland Sidekick, Borland Turbo C, Business Wire, Byte (magazine), Caldera (company), Canon PowerShot, Central processing unit, CodeView, Colon (punctuation), COM (hardware interface), Command-line interface, COMMAND.COM, Commodore DOS, Computer hardware, Computer History Museum, Computer mouse, Conditional (computer programming), CONFIG.SYS, Conventional memory, CP/M, CP/M-86, Database, Datalight, Datastorm Technologies, DBase, Dell, Design of the FAT file system, DESQview, Device driver, DeviceLogics, Digital Research, Disk operating system, Disk partitioning, ..., DJGPP, Doom (1993 video game), DOS, DOS Navigator, DOS Plus, DOS Shell, DOS/360 and successors, DOSBox, DOSEMU, DOSKEY, DR-DOS, Drive letter assignment, Duke Nukem 3D, EMM386, Emulator, Expanded memory, Extended boot record, Extended memory, File Allocation Table, File manager, Filename extension, First-person shooter, FlexOS, Floppy disk, Forward compatibility, Fragmentation (computing), FreeDOS, Gary Kildall, GEOS (16-bit operating system), GNU Compiler Collection, GNU General Public License, Gordon Letwin, GOSUB, Goto, Graphical user interface, Graphics Environment Manager, GW-BASIC, Hard disk drive, Harvard Graphics, Hewlett-Packard, High memory area, HIMEM.SYS, HP 110, IBM BASIC, IBM PC compatible, IBM PC DOS, IBM Personal Computer, IBMBIO.COM, IBMDOS.COM, Id Software, InfoWorld, Integrated development environment, Intel, Intel 80386, Intel 8080, Intel 8086, Intel 8088, International Computers Limited, IO.SYS, Jim Hall (computer programmer), Kernel (operating system), King's Quest, Legacy Plug and Play, Lineo, Linux, List of disk operating systems, Lotus 1-2-3, Master boot record, Microsoft, Microsoft Macro Assembler, Microsoft Windows, Modem, Motorola 68000, MS-DOS, MS-DOS 4.0 (multitasking), MS-DOS API, MSCDEX, MSDOS.SYS, Multiuser DOS, New Executable, No Starch Press, Norton Commander, Norton Utilities, Novell, Optical disc drive, Original equipment manufacturer, OS/2, Parallel port, Pat Villani, PC Magazine, PC Tools (software), PDP-11, Personal information manager, PKZIP, Plotter, PowerBASIC, Presentation, Printer (computing), PTS-DOS, QEMM, Qmodem, Quake (video game), RAM drive, Real mode, Reentrancy (computing), S&P Global, S-100 bus, Seattle Computer Products, Shareware, Shell (computing), Shell script, Spreadsheet, Telix, Tetris, Text-based user interface, The New York Times, Tim Paterson, Track0, TRSDOS, Turbo Assembler, Turbo Pascal, Unix-like, Upper memory area, VGA-compatible text mode, Video card, ViewMAX, Virtual 8086 mode, Virtual machine, Volkov Commander, Volume boot record, Web browser, Windows 95, Windows 9x, Wolfenstein 3D, Word processor, WordPerfect, WordStar, X86, Xenix, XTree, Z-80 SoftCard, Zilog Z80, Zilog Z8000, 16-bit, 386MAX, 3D Realms, 4DOS, 8.3 filename, 86-DOS. Expand index (149 more) »


AmigaDOS is the disk operating system of the AmigaOS, which includes file systems, file and directory manipulation, the command-line interface, and file redirection.

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Apple DOS

Apple DOS is the family of disk operating systems for the Apple II series of microcomputers from late 1978 through early 1983.

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Apple II

The Apple II (stylized as Apple.

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Apple ProDOS

ProDOS is the name of two similar operating systems for the Apple II series of personal computers.

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Arachne (web browser)

Arachne is a full-screen Internet suite containing a graphical web browser, email client, and dialer.

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AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas.

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Atari DOS

Atari DOS is the disk operating system used with the Atari 8-bit family of computers.

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AUTOEXEC.BAT is a system file that was originally on DOS-type operating systems.

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Background process

A background process is a computer process that runs behind the scenes (i.e., in the background) and without user intervention.

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BASIC (an acronym for Beginner's All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.

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Batch file

A batch file is a kind of script file in DOS, OS/2 and Microsoft Windows.

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BatteryMAX (idle detection)

BatteryMAX is an idle detection system used for computer power management under operating system control developed at Digital Research, Inc.'s European Development Centre (EDC) in Hungerford, UK.

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Bill Gates

William Henry Gates III (born October 28, 1955) is an American business magnate, investor, author, philanthropist, humanitarian, and principal founder of Microsoft Corporation.

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BIOS (an acronym for Basic Input/Output System and also known as the System BIOS, ROM BIOS or PC BIOS) is non-volatile firmware used to perform hardware initialization during the booting process (power-on startup), and to provide runtime services for operating systems and programs.

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Boot sector

A boot sector is a region of a hard disk, floppy disk, optical disc, or other data storage device that contains machine code to be loaded into random-access memory (RAM) by a computer system's built-in firmware.

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In computing, booting is starting up a computer or computer appliance until it can be used.

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Borland Software Corporation is a software company that facilitates software deployment projects.

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Borland Sidekick

Borland Sidekick was a personal information manager (PIM) launched by American software company Borland in 1984 under Philippe Kahn's leadership.

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Borland Turbo C

Turbo C is a discontinued Integrated Development Environment and compiler for the C programming language from Borland.

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Business Wire

Business Wire is a company that disseminates full-text press releases from thousands of companies and organizations worldwide to news media, financial markets, disclosure systems, investors, information web sites, databases, bloggers, social networks and other audiences.

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Byte (magazine)

Byte was an American microcomputer magazine, influential in the late 1970s and throughout the 1980s because of its wide-ranging editorial coverage.

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Caldera (company)

Caldera was a US-based software company founded in 1994 to develop Linux- and DOS-based operating system products.

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Canon PowerShot

The PowerShot products is a line of consumer and prosumer grade digital cameras, launched by Canon in 1996.

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Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

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CodeView was a standalone debugger created by David Norris at Microsoft in 1985 as part of its development toolset.

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Colon (punctuation)

The colon is a punctuation mark consisting of two equally sized dots centered on the same vertical line.

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COM (hardware interface)

COM (Communication port) is the original, yet still common, name of the serial port interface on IBM PC-compatible computers.

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Command-line interface

A command-line interface or command language interpreter (CLI), also known as command-line user interface, console user interface and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).

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COMMAND.COM is the default command-line interpreter for DOS, Windows 95, Windows 98 and Windows ME.

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Commodore DOS

Commodore DOS, aka CBM DOS, is the disk operating system used with Commodore's 8-bit computers.

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Computer hardware

Computer hardware includes the physical parts or components of a computer, such as the central processing unit, monitor, keyboard, computer data storage, graphic card, sound card and motherboard.

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Computer History Museum

The Computer History Museum (CHM) is a museum established in 1996 in Mountain View, California, US.

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Computer mouse

A computer mouse is a hand-held pointing device that detects two-dimensional motion relative to a surface.

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Conditional (computer programming)

In computer science, conditional statements, conditional expressions and conditional constructs are features of a programming language, which perform different computations or actions depending on whether a programmer-specified boolean condition evaluates to true or false.

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CONFIG.SYS is the primary configuration file for the DOS and OS/2 operating systems.

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Conventional memory

In DOS memory management, conventional memory, also called base memory, is the first 640 kilobytes of the memory on IBM PC or compatible systems.

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CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc.

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CP/M-86 was a version of the CP/M operating system that Digital Research (DR) made for the Intel 8086 and Intel 8088.

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A database is an organized collection of data, stored and accessed electronically.

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Datalight is a privately held software company specializing in power failsafe and high performance software for preserving data integrity in embedded systems.

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Datastorm Technologies

Datastorm Technologies, Inc., was a computer software company that existed from 1986 until 1996.

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| influenced.

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Dell (stylized as DELL) is an American multinational computer technology company based in Round Rock, Texas, United States, that develops, sells, repairs, and supports computers and related products and services.

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Design of the FAT file system

A FAT file system is a specific type of computer file system architecture and a family of industry-standard file systems utilizing it.

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DESQview (DV) was a text mode multitasking operating environment developed by Quarterdeck Office Systems which enjoyed modest popularity in the late 1980s and early 1990s.

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Device driver

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.

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DeviceLogics is a startup company in Lindon, Utah, USA, founded in November 2002.

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Digital Research

Digital Research, Inc. (also known as DR or DRI) was a company created by Gary Kildall to market and develop his CP/M operating system and related 8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, Multiuser DOS, DOS Plus, DR DOS and GEM.

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Disk operating system

A disk operating system (abbreviated DOS) is a computer operating system that can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc.

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Disk partitioning

Disk partitioning or disk slicing is the creation of one or more regions on a hard disk or other secondary storage, so that an operating system can manage information in each region separately.

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DJ's GNU Programming Platform (DJGPP) is a software development suite for Intel 80386-level and above, IBM PC compatibles which supports DOS operating systems.

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Doom (1993 video game)

Doom (typeset as DOOM in official documents and stylized as DooM in other media) is a 1993 first-person shooter (FPS) video game by id Software.

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DOS is a family of disk operating systems.

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DOS Navigator

DOS Navigator is an orthodox file manager for MS-DOS, OS/2 and Windows.

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DOS Plus

DOS Plus (erroneously also known as DOS+) was the first operating system developed by Digital Research's OEM Support Group in Newbury, Berkshire, UK, first released in 1985.

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DOS Shell

DOS Shell is a file manager, debuted in MS-DOS and IBM PC DOS version 4.0 (June 1988).

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DOS/360 and successors

Disk Operating System/360, also DOS/360, or simply DOS, is a discontinued operating system for IBM mainframes.

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DOSBOX (stylized as DOSBox) is an emulator program which emulates an IBM PC compatible computer running a DOS operating system.

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DOSEMU, stylized as dosemu, is a compatibility layer software package that enables DOS operating systems (e.g., MS-DOS, DR-DOS, FreeDOS) and application software to run atop Linux on x86-based PCs (IBM PC compatible computers).

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DOSKEY is a utility for DOS and Microsoft Windows that adds command history, macro functionality, and improved editing features to the command line interpreters COMMAND.COM and CMD.EXE.

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DR-DOS (DR DOS, without hyphen up to and including version 6.0) is an operating system of the DOS family, written for IBM PC-compatible personal computers.

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Drive letter assignment

In computer data storage, drive letter assignment is the process of assigning alphabetical identifiers to volumes.

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Duke Nukem 3D

Duke Nukem 3D is a first-person shooter video game developed by 3D Realms and published by GT Interactive Software.

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The name EMM386 was used for the expanded memory managers of both Microsoft's MS-DOS and Digital Research's DR-DOS, which created expanded memory using extended memory on Intel 80386 CPUs.

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In computing, an emulator is hardware or software that enables one computer system (called the host) to behave like another computer system (called the guest).

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Expanded memory

In DOS memory management, expanded memory is a system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory (640 KB).

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Extended boot record

An extended boot record (EBR), or extended partition boot record (EPBR), is a descriptor for a logical partition under the common DOS disk drive partitioning system.

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Extended memory

In DOS memory management, extended memory refers to memory above the first megabyte (220 bytes) of address space in an IBM PC or compatible with an 80286 or later processor.

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File Allocation Table

File Allocation Table (FAT) is a computer file system architecture and a family of industry-standard file systems utilizing it.

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File manager

A file manager or file browser is a computer program that provides a user interface to manage files and folders.

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Filename extension

A filename extension is an identifier specified as a suffix to the name of a computer file.

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First-person shooter

First-person shooter (FPS) is a video game genre centered around gun and other weapon-based combat in a first-person perspective; that is, the player experiences the action through the eyes of the protagonist.

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FlexOS is a discontinued modular real-time multi-user multi-tasking operating system (RTOS) designed for computer-integrated manufacturing, laboratory, retail and financial markets.

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Floppy disk

A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.

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Forward compatibility

Forward compatibility or upward compatibility is a design characteristic that allows a system to accept input intended for a later version of itself.

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Fragmentation (computing)

In computer storage, fragmentation is a phenomenon in which storage space is used inefficiently, reducing capacity or performance and often both.

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FreeDOS (formerly Free-DOS and PD-DOS) is a free operating system for IBM PC compatible computers.

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Gary Kildall

Gary Arlen Kildall (May 19, 1942 – July 11, 1994) was an American computer scientist and microcomputer entrepreneur who created the CP/M operating system and founded Digital Research, Inc. (DRI).

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GEOS (16-bit operating system)

GEOS (also later known as Geoworks Ensemble, NewDeal Office and Breadbox Ensemble) is a computer operating environment, graphical user interface, and suite of application software.

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GNU Compiler Collection

The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages.

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GNU General Public License

The GNU General Public License (GNU GPL or GPL) is a widely used free software license, which guarantees end users the freedom to run, study, share and modify the software.

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Gordon Letwin

Top: Steve Wood, Bob Wallace, Jim LaneMiddle: Bob O'Rear, Bob Greenberg, Marc McDonald, Gordon LetwinBottom: Bill Gates, Andrea Lewis, Marla Wood, Paul AllenNot pictured: Ric Weiland, Miriam LubowGates described this photo in 2009 as "that famous picture that provides indisputable proof that your average computer geek from the late 1970s was not exactly on the cutting edge of fashion." --> James Gordon Letwin (born July 2, 1952) is an American software developer and one of the eleven early Microsoft employees who posed for an iconic staff portrait taken in Albuquerque in 1978.

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GOSUB is a command in many versions of the BASIC computer programming language.

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GoTo (goto, GOTO, GO TO or other case combinations, depending on the programming language) is a statement found in many computer programming languages.

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Graphical user interface

The graphical user interface (GUI), is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.

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Graphics Environment Manager

Graphics Environment Manager (GEM) was an operating environment created by Digital Research (DRI) for use with the DOS operating system on Intel 8088 and Motorola 68000 microprocessors.

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GW-BASIC is a dialect of the BASIC programming language developed by Microsoft from BASICA, originally for Compaq.

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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Harvard Graphics

Harvard Graphics was a graphics and presentation program for personal computers.

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The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.

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High memory area

In DOS memory management, the high memory area (HMA) is the RAM area consisting of the first 65520 bytes above the one megabyte in an IBM AT or compatible computer.

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HIMEM.SYS is a DOS device driver which allows DOS programs to store data in extended memory via the Extended Memory Specification (XMS).

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HP 110

The Hewlett-Packard HP 110 (aka HP Portable) was an MS-DOS compatible portable computer released in 1984.

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The IBM Personal Computer Basic, commonly shortened to IBM BASIC, is a programming language first released by IBM with the IBM Personal Computer (model 5150) in 1981.

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IBM PC compatible

IBM PC compatible computers are computers similar to the original IBM PC, XT, and AT, able to use the same software and expansion cards.

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IBM PC DOS (an acronym for IBM personal computer disk operating system) is a discontinued operating system for the IBM Personal Computer, manufactured and sold by IBM from the early 1980s into the 2000s.

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IBM Personal Computer

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.

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IBMBIO.COM is a system file in many DOS operating systems.

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IBMDOS.COM is the filename of the DOS kernel.

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Id Software

id Software LLC (see Company name) is an American video game developer headquartered in Dallas, Texas.

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InfoWorld (formerly The Intelligent Machines Journal) is an information technology media business.

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Integrated development environment

An integrated development environment (IDE) is a software application that provides comprehensive facilities to computer programmers for software development.

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Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intel 80386

The Intel 80386, also known as i386 or just 386, is a 32-bit microprocessor introduced in 1985.

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Intel 8080

The Intel 8080 ("eighty-eighty") was the second 8-bit microprocessor designed and manufactured by Intel and was released in April 1974.

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Intel 8086

The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.

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Intel 8088

The Intel 8088 ("eighty-eighty-eight", also called iAPX 88) microprocessor is a variant of the Intel 8086.

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International Computers Limited

International Computers Limited (ICL) was a large British computer hardware, computer software and computer services company that operated from 1968 until 2002.

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IO.SYS is an essential part of MS-DOS and Windows 9x.

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Jim Hall (computer programmer)

Jim Hall (James Hall) is a computer programmer and advocate of free software, best known for his work on FreeDOS.

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Kernel (operating system)

The kernel is a computer program that is the core of a computer's operating system, with complete control over everything in the system.

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King's Quest

King's Quest is a graphic adventure game series created by the American software company Sierra Entertainment.

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Legacy Plug and Play

The term Legacy Plug and Play, also shortened to PnP, describes a series of specifications and Microsoft Windows features geared towards operating system configuration of devices.

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Lineo was a thin client and embedded systems company spun out of Caldera Thin Clients, on 20 July 1999.

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Linux is a family of free and open-source software operating systems built around the Linux kernel.

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List of disk operating systems

This is a list of disk operating systems in which the acronym DOS is used to form their names.

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Lotus 1-2-3

Lotus 1-2-3 is a discontinued spreadsheet program from Lotus Software (later part of IBM).

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Master boot record

A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond.

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Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Microsoft Macro Assembler

The Microsoft Macro Assembler (MASM) is an x86 assembler that uses the Intel syntax for MS-DOS and Microsoft Windows.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.

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Motorola 68000

The Motorola 68000 ("'sixty-eight-thousand'"; also called the m68k or Motorola 68k, "sixty-eight-kay") is a 16/32-bit CISC microprocessor, which implements a 32-bit instruction set, with 32-bit registers and 32-bit internal data bus, but with a 16-bit data ALU and two 16-bit arithmetic ALUs and a 16-bit external data bus, designed and marketed by Motorola Semiconductor Products Sector.

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MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.

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MS-DOS 4.0 (multitasking)

MS-DOS 4.0 was a multitasking release of MS-DOS developed by Microsoft based on MS-DOS 2.0.

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The MS-DOS API is an API which originated with 86-DOS and is used in MS-DOS/PC DOS and other DOS-compatible operating systems.

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MSCDEX or Microsoft CD-ROM Extensions is a software program produced by Microsoft and included with MS-DOS 6.x and certain versions of Microsoft Windows.

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MSDOS.SYS is a vital system file on MS-DOS and Windows 9x operating systems.

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Multiuser DOS

Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.

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New Executable

The New Executable (abbreviated NE or NewEXE) is a 16-bit.exe file format, a successor to the DOS MZ executable format.

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No Starch Press

No Starch Press is an American publishing company, specializing in technical literature often geared towards the geek, hacker, and DIY subcultures.

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Norton Commander

Norton Commander (NC) is a discontinued prototypical orthodox file manager (OFM), written by John Socha and released by Peter Norton Computing (later acquired in 1990 by the Symantec corporation).

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Norton Utilities

Norton Utilities is a utility software suite designed to help analyze, configure, optimize and maintain a computer.

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Novell, Inc. was a software and services company headquartered in Provo, Utah.

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Optical disc drive

In computing, an optical disc drive (ODD) is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs.

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Original equipment manufacturer

An Original Equipment Manufacturer (OEM) is a company that produces parts and equipment that may be marketed by another manufacturer.

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OS/2 is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci.

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Parallel port

A parallel port is a type of interface found on computers (personal and otherwise) for connecting peripherals.

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Pat Villani

Pasquale "Pat" J. Villani (18 April 1954 – 27 August 2011) was an American computer programmer, author, and advocate of free software, best known for his creation of DOS-C, a DOS emulator written in the C language and subsequently adapted as the kernel of the FreeDOS operating system and a number of other projects including DOSEMU for Linux.

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PC Magazine

PC Magazine (shortened as PCMag) is an American computer magazine published by Ziff Davis.

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PC Tools (software)

PC Tools was a collection of software utilities for MS-DOS developed by Central Point Software.

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The PDP-11 is a series of 16-bit minicomputers sold by Digital Equipment Corporation (DEC) from 1970 into the 1990s, one of a succession of products in the PDP series.

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Personal information manager

A personal information manager (often referred to as a PIM tool or, more simply, a PIM) is a type of application software that functions as a personal organizer.

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PKZIP is a file archiving computer program, notable for introducing the popular ZIP file format.

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The plotter is a computer printer for printing vector graphics.

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PowerBASIC, formerly Turbo Basic, is the brand of several commercial compilers by PowerBASIC Inc.

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A presentation is the process of presenting a topic to an audience.

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Printer (computing)

In computing, a printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper.

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PTS-DOS is a disk operating system, an MS-DOS clone, developed in Russia by PhysTechSoft.

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Quarterdeck Expanded Memory Manager (QEMM) is a memory manager produced by Quarterdeck Office Systems in the late 1980s through late 1990s.

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Qmodem was an MS-DOS shareware telecommunications program and terminal emulator.

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Quake (video game)

Quake is a first-person shooter video game, developed by id Software and published by GT Interactive in 1996.

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RAM drive

A RAM drive (also called a RAM disk) is a block of random-access memory (primary storage or volatile memory) that a computer's software is treating as if the memory were a disk drive (secondary storage).

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Real mode

Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs.

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Reentrancy (computing)

In computing, a computer program or subroutine is called reentrant if it can be interrupted in the middle of its execution and then safely be called again ("re-entered") before its previous invocations complete execution.

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S&P Global

S&P Global Inc. (prior to April 2016 McGraw Hill Financial, Inc., and prior to 2013 McGraw Hill Companies) is an American publicly traded corporation headquartered in New York City.

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S-100 bus

The S-100 bus or Altair bus, IEEE696-1983 (withdrawn), was an early computer bus designed in 1974 as a part of the Altair 8800.

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Seattle Computer Products

Seattle Computer Products (SCP) was a Seattle, Washington, microcomputer hardware company which was one of the first manufacturers of computer systems based on the 16-bit Intel 8086 processor.

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Shareware is a type of proprietary software which is initially provided free of charge to users, who are allowed and encouraged to make and share copies of the program.

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Shell (computing)

In computing, a shell is a user interface for access to an operating system's services.

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Shell script

A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter.

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A spreadsheet is an interactive computer application for organization, analysis and storage of data in tabular form.

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Telix is a telecommunications program originally written for MS-DOS by Colin Sampaleanu and released in 1986.

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Tetris (Тетрис) is a tile-matching puzzle video game, originally designed and programmed by Russian game designer Alexey Pajitnov.

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Text-based user interface

Text-based user interface (TUI), also called textual user interface or terminal user interface, is a retronym coined sometime after the invention of graphical user interfaces.

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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Tim Paterson

Tim Paterson (born 1956) is an American computer programmer, best known for creating 86-DOS, an operating system for the Intel 8086.

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Track0 (pronounced 'track zero') is the area located at the start of a computer disk and is predominantly used to store information regarding the layout of the disk (the partition table) and executable code needed to boot an operating system.

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TRSDOS (which stood for the Tandy Radio Shack Disk Operating System) was the operating system for the Tandy TRS-80 line of 8-bit Zilog Z80 microcomputers that were sold through Radio Shack through the late 1970s and early 1980s.

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Turbo Assembler

Turbo Assembler (TASM) is a computer assembler (software for program development) developed by Borland which runs on and produces code for 16- or 32-bit x86 MS-DOS or Microsoft Windows.

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Turbo Pascal

Turbo Pascal is a software development system that includes a compiler and an integrated development environment (IDE) for the Pascal programming language running on CP/M, CP/M-86, and MS-DOS.

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A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.

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Upper memory area

In DOS memory management, the upper memory area (UMA) refers to memory between the addresses of 640 KB and 1024 KB (0xA0000–0xFFFFF) in an IBM PC or compatible.

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VGA-compatible text mode

The implementation of computer monitor text mode on VGA-compatible hardware is quite complex.

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Video card

A video card (also called a display card, graphics card, display adapter or graphics adapter) is an expansion card which generates a feed of output images to a display (such as a computer monitor).

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ViewMAX is a CUA-compliant file manager supplied with DR DOS versions 5.0 and 6.0.

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Virtual 8086 mode

In the 80386 microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode or VM86) allows the execution of real mode applications that are incapable of running directly in protected mode while the processor is running a protected mode operating system.

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Virtual machine

In computing, a virtual machine (VM) is an emulation of a computer system.

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Volkov Commander

Volkov Commander is a file manager for MS-DOS inspired by Norton Commander.

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Volume boot record

A volume boot record (VBR) (also known as a volume boot sector, a partition boot record or a partition boot sector) is a type of boot sector introduced by the IBM Personal Computer.

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Web browser

A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web.

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Windows 95

Windows 95 (codenamed Chicago) is a consumer-oriented operating system developed by Microsoft.

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Windows 9x

Windows 9x is a generic term referring to a series of Microsoft Windows computer operating systems produced from 1995 to 2000, which were based on the Windows 95 kernel and its underlying foundation of MS-DOS, both of which were updated in subsequent versions.

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Wolfenstein 3D

Wolfenstein 3D is a first-person shooter video game developed by id Software and published by Apogee Software and FormGen.

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Word processor

A word processor is a computer program or device that provides for input, editing, formatting and output of text, often plus other features.

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WordPerfect (WP) is a word processing application owned by Corel with a long history on multiple personal computer platforms.

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WordStar is a word processor application that had a dominant market share during the early- to mid-1980s.

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x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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Xenix is a discontinued version of the Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation in the late 1970s.

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XTree is a file manager program originally designed for use under MS-DOS.

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Z-80 SoftCard

The Z-80 SoftCard is a plug-in coprocessor card developed by Microsoft to turn the Apple II personal computer into a CP/M system based upon the Zilog Z80 CPU.

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Zilog Z80

The Z80 CPU is an 8-bit based microprocessor.

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Zilog Z8000

The Z8000 ("zee-eight-thousand") is a 16-bit microprocessor introduced by Zilog in early 1979, between the launch of the Intel 8086 (April 1978) and the Motorola 68000 (September 1979).

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16-bit microcomputers are computers in which 16-bit microprocessors were the norm.

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386MAX (originally 386 to the Max, later Qualitas MAX) was a computer memory manager for DOS-based personal computers.

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3D Realms

Apogee Software, Ltd., since 1996 doing business as 3D Realms, is an American video game developer and publisher based in Garland, Texas.

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4DOS is a command line interpreter by JP Software, designed to replace the default command interpreter COMMAND.COM in DOS and Windows 95/98/SE/ME.

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8.3 filename

An 8.3 filename (also called a short filename or SFN) is a filename convention used by old versions of DOS and versions of Microsoft Windows prior to Windows 95 and Windows NT 3.5.

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86-DOS is a discontinued operating system developed and marketed by Seattle Computer Products (SCP) for its Intel 8086-based computer kit.

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82164A:, AUX:, Advanced WinDOS, Back and Forth (software), CLOCK (device name), CLOCK$, CLOCK$:, COM1, COM1:, COM2, COM2:, COM3, COM3:, COM4, COM4:, CONFIG$, CONFIG$:, DOS (operating system), DOS 3.1, DOS 3.2, DOS 3.3, DOS application, DOS compatible system, DOS operating system, DOS platform, DOS platforms, KEYBD$, KEYBD$:, LPT1, LPT1:, LPT2, LPT2:, LPT3, LPT3:, LPT4, LPT4:, LST:, MS-DOS Compatible Operating Systems, Operating systems derived from MS-DOS, PLT:, PRN:, RxDOS, SCREEN$, SCREEN$:, The history of DOS, X86 DOS.


[1] https://en.wikipedia.org/wiki/DOS

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