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]. || toc =See also=  =DOS Engines= To expand this list of DOS engines, create a new engine page with the tag "[|dos]". > include component="pageList" hideInternal="true" tag="dos" limit="100"
 * Home * Software * MS-DOS**
 * [[image:StartingMsdos.png link="https://en.wikipedia.org/wiki/File:StartingMsdos.png"]] ||~ || **MS-DOS**,
 * Starting MS-DOS ||~ ||^ ||
 * CLI
 * Windows

=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
> [|DOS/4G from Wikipedia]
 * [|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]
 * [|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= =What links here?= include component="backlinks" page="MS-DOS" limit="200"
 * Up one Level**