MS-DOS

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MS-DOS, and its rebranded version IBM PC-DOS were Disk Operating Systems by Microsoft for 16-bit 8086 and x86 Real mode based IBM PCs and compatibles. Microsoft first licensed, then purchased 86-DOS from Seattle Computer Products (SCP), which was modified for the IBM PC by Microsoft employee Bob O'Rear with assistance from SCP (later Microsoft) employee Tim Paterson.

=See also=
 * CLI
 * Windows
 * Dos Engines

=Manuals=
 * Hewlett-Packard (1989). Microsoft MS-DOS 3.3 Reference. pdf
 * Dave Williams (1992). Programmer's Technical Reference for MSDOS and the IBM PC. Shareware Version

=Forum Posts=

1993 ...

 * Chess programs for IBM PC by Udo Sprute, rgc, February 20, 1993
 * Do hideous DOS-based progs bother anyone else? by Mig, CCC, November 24, 1998

2000 ...

 * Unreal mode by Safronov's family, comp.lang.asm.x86, June 5, 2003
 * Re: Flat real / real big / unreal mode (v1.2) by John Lowe, Programmers Heaven, March 19, 2004

2010 ...

 * Studie: Schachspielen mit ein 286er 12 MHz Laptop - Schachcomputer.info Community by Spacious Mind, May 22, 2010 (German)
 * The very first DOS chess program was? by Jouni Uski, CCC, April 18, 2012
 * La máquina preservadora 3. Programas para PC by Luis a, Meca Foro, August 08, 2013 (Spanish)
 * Does DOSBOX accept Mephisto Genius 3? by Jonathan Lee, CCC, April 03, 2015 » Chess Genius
 * 33 MSDOS chess programs by Ed Schröder, CCC, August 31, 2015
 * Internet Archive MS-DOS games in the browser by James Constance, CCC, November 18, 2017
 * More DOS oldies by Ed Schroder, CCC, February 03, 2018

=External Links=

Operating System

 * MS-DOS from Wikipedia
 * IBM PC-DOS from Wikipedia
 * MS-DOS 1.x - Stats, Downloads and Screenshots :: WinWorld
 * PC-DOS 1.x - Stats, Downloads and Screenshots :: WinWorld
 * Timeline of x86 DOS operating systems from Wikipedia
 * Comparison of x86 DOS operating systems from Wikipedia
 * List of DOS commands from Wikipedia
 * Real mode from Wikipedia
 * Unreal mode from Wikipedia
 * LOADALL from Wikipedia
 * DOS extender from Wikipedia
 * DOS/4G from Wikipedia


 * Virtual DOS machine from Wikipedia
 * DOSBox from Wikipedia
 * QEMU from Wikipedia
 * D-Fend Reloaded: Overview

Chess

 * Software Library: MS-DOS Games : Free Software : Download & Streaming : Internet Archive
 * DOS oldies hosted by Ed Schröder
 * More DOS oldies hosted by Ed Schröder

=References=

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