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IBM PC DOS

Index IBM PC DOS

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. [1]

81 relations: Acronym, Assembly language, Bill Gates, BIOS, Bob O'Rear, Boca Raton, Florida, Byte (magazine), C (programming language), CICS, Command-line interface, COMMAND.COM, Commercial software, Compaq, Compaq Portable, Comparison of DOS operating systems, Conventional memory, CP/M, CP/M-86, Disk compression, Distributed Data Management Architecture, DOS, E (PC DOS), Embedded software, File Allocation Table, File descriptor, Floppy disk, Ghost (disk utility), HGST, High memory area, Hitachi, IBM, IBM Extended Density Format, IBM PC compatible, IBM PC Convertible, IBM PC Network, IBM PCjr, IBM Personal Computer, IBM Personal Computer XT, IBM Personal Computer/AT, IBM Personal System/2, IBM Redbooks, IBMBIO.COM, IBMDOS.COM, Intel 80286, John Wiley & Sons, Kilobyte, Lenovo, List of DOS commands, Logical block addressing, Mark Zbikowski, ..., Megabyte, Microsoft, Monolithic kernel, MS-DOS, MS-DOS API, MS-DOS Editor, Original equipment manufacturer, OS/2, Paul Allen, PC Magazine, PowerPC, Proprietary software, QBasic, Rebranding, Rexx, Seattle Computer Products, Stac Electronics, Symantec, ThinkPad, Tim Paterson, Timeline of DOS operating systems, UCSD Pascal, Unix, Upper memory area, Ver (command), Virtual DOS machine, Windows NT, Windows XP, X86, Year 2000 problem, 86-DOS. Expand index (31 more) »

Acronym

An acronym is a word or name formed as an abbreviation from the initial components in a phrase or a word, usually individual letters (as in NATO or laser) and sometimes syllables (as in Benelux).

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Assembly language

An assembly (or assembler) language, often abbreviated asm, is a low-level programming language, in which there is a very strong (but often not one-to-one) correspondence between the assembly program statements and the architecture's machine code instructions.

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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

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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Bob O'Rear

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." --> Robert "Bob" O'Rear is a former employee of Microsoft, and is among the group of eleven early Microsoft employees who posed for an iconic company photo taken in Albuquerque in 1978.

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Boca Raton, Florida

Boca Raton (lit) is the southernmost city in Palm Beach County, Florida, United States, first incorporated on August 2, 1924 as "Bocaratone," and then incorporated as "Boca Raton" in 1925.

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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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C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

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CICS

Customer Information Control System (CICS) is a family of mixed language application servers that provide online transaction management and connectivity for applications on IBM Mainframe systems under z/OS and z/VSE.

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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

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

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Commercial software

Commercial software, or seldom payware, is computer software that is produced for sale or that serves commercial purposes.

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Compaq

Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.

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Compaq Portable

The Compaq Portable is an early portable computer which was one of the first 100% IBM PC compatible systems.

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Comparison of DOS operating systems

This article details various versions of DOS-compatible 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

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

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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Disk compression

A disk compression software utility increases the amount of information that can be stored on a hard disk drive of given size.

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Distributed Data Management Architecture

Distributed Data Management Architecture (DDM) is IBM's open, published software architecture for creating, managing and accessing data on a remote computer.

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DOS

DOS is a family of disk operating systems.

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E (PC DOS)

E is the text editor which was made part of PC DOS with version 6.1 in June 1993, and later with version 7 and PC DOS 2000.

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Embedded software

Embedded software is computer software, written to control machines or devices that are not typically thought of as computers.

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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 descriptor

In Unix and related computer operating systems, a file descriptor (FD, less frequently fildes) is an abstract indicator (handle) used to access a file or other input/output resource, such as a pipe or network socket.

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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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Ghost (disk utility)

Ghost (an acronym for general hardware-oriented system transfer) is a disk cloning and backup tool originally developed by Murray Haszard in 1995 for Binary Research.

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HGST

HGST, Inc. (formerly Hitachi Global Storage Technologies) is a wholly owned subsidiary of Western Digital that sells hard disk drives, solid-state drives, and external storage products and services.

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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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Hitachi

() is a Japanese multinational conglomerate company headquartered in Chiyoda, Tokyo, Japan.

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IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM Extended Density Format

The IBM eXtended Density Format (XDF) is a way of formatting standard high-density 3½-inch and 5¼-inch floppy disks to larger-than-standard capacities.

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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 Convertible

The IBM PC Convertible is the first laptop computer released by IBM.

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IBM PC Network

The IBM PC Network was IBM's first LAN system.

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IBM PCjr

The IBM PCjr (read "PC junior") was IBM's first attempt to enter the home computer market.

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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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IBM Personal Computer XT

The IBM Personal Computer XT, often shortened to the IBM XT, PC XT, or simply XT, is a version of the IBM PC with a built-in hard drive.

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IBM Personal Computer/AT

The IBM Personal Computer AT, more commonly known as the IBM AT and also sometimes called the PC AT or PC/AT, was IBM's second-generation PC, designed around the 6 MHz Intel 80286 microprocessor and released in 1984 as System Unit 5170.

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IBM Personal System/2

The Personal System/2 or PS/2 was IBM's third generation of personal computers.

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IBM Redbooks

IBM Redbooks are technical content developed and published by IBM's International Technical Support Organization (ITSO).

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IBMBIO.COM

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

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IBMDOS.COM

IBMDOS.COM is the filename of the DOS kernel.

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Intel 80286

The Intel 80286 (also marketed as the iAPX 286 and often called Intel 286) is a 16-bit microprocessor that was introduced on 1 February 1982.

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John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.

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Kilobyte

The kilobyte is a multiple of the unit byte for digital information.

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Lenovo

Lenovo Group Ltd. or Lenovo PC International, often shortened to Lenovo (formerly stylized as lenovo), is a Chinese multinational technology company with headquarters in Beijing, China and Morrisville, North Carolina.

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List of DOS commands

This article presents a list of commands used by DOS operating systems, especially as used on x86-based IBM PC compatibles (PCs).

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Logical block addressing

Logical block addressing (LBA) is a common scheme used for specifying the location of blocks of data stored on computer storage devices, generally secondary storage systems such as hard disk drives.

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Mark Zbikowski

Mark "Zibo" Joseph Zbikowski (born March 21, 1956) is a former Microsoft Architect and an early computer hacker.

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Megabyte

The megabyte is a multiple of the unit byte for digital information.

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Microsoft

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

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Monolithic kernel

A monolithic kernel is an operating system architecture where the entire operating system is working in kernel space and is alone in supervisor mode.

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MS-DOS

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 API

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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MS-DOS Editor

MS-DOS Editor, commonly just called edit, is a character-based text editor that comes with MS-DOS (since version 5) and 32-bit versions of Microsoft Windows.

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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

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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Paul Allen

Paul Gardner Allen (born January 21, 1953) is an American business magnate, investor and philanthropist.

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PC Magazine

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

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PowerPC

PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computing (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM.

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Proprietary software

Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.

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QBasic

QBasic, a short form of Quick Beginners All purpose Symbolic Instruction Code, is an integrated development environment and interpreter for a variety of BASIC programming languages which are based on QuickBASIC.

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Rebranding

Rebranding is a marketing strategy in which a new name, term, symbol, design, or combination thereof is created for an established brand with the intention of developing a new, differentiated identity in the minds of consumers, investors, competitors, and other stakeholders.

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Rexx

Rexx (Restructured Extended Executor) is an interpreted programming language developed at IBM by Mike Cowlishaw.

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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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Stac Electronics

Stac Electronics, originally incorporated as State of the Art Consulting and later shortened to Stac, Inc., was a technology company founded in 1983.

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Symantec

Symantec Corporation (commonly known as Symantec) is an American software company headquartered in Mountain View, California, United States.

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ThinkPad

ThinkPad is a line of laptop computers and tablets developed by Lenovo.

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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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Timeline of DOS operating systems

This article presents a timeline of events in the history of x86 DOS operating systems from 1973 to 2016.

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UCSD Pascal

UCSD Pascal was a Pascal programming language system that ran on the UCSD p-System, a portable, highly machine-independent operating system.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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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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Ver (command)

In computing, ver is a command in various DOS, OS/2 and Microsoft Windows command line interpreters (shells) such as COMMAND.COM, cmd.exe and 4DOS/4NT.

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Virtual DOS machine

Virtual DOS machine (VDM) is a technology that allows running 16-bit/32-bit DOS and 16-bit Windows programs on Intel 80386 or higher computers when there is already another operating system running and controlling the hardware.

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Windows NT

Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

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Windows XP

Windows XP (codenamed Whistler) is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems.

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X86

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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Year 2000 problem

The Year 2000 problem, also known as the Y2K problem, the Millennium bug, the Y2K bug, or Y2K, is a class of computer bugs related to the formatting and storage of calendar data for dates beginning in the year 2000.

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86-DOS

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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References

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

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