MS-DOS (English Wikipedia)

Paul, Matthias R. (July 30, 1997) [1994-05-01]. "II.16.iv. Landessprachliche Unterstützung – Codeseiten" [II.16.iv. National language support – Codepages]. NWDOS-TIPs – Tips & Tricks rund um Novell DOS 7, mit Blick auf undokumentierte Details, Bugs und Workarounds [NWDOSTIPs – Tips & tricks for Novell DOS 7, with special focus on undocumented details, bugs and workarounds]. Release 157 (in German) (3 ed.). Archived from the original on June 6, 2016. Retrieved June 6, 2016. [5]

archive.org (Global: 6^th place; English: 6^th place)

Morgan, Chris (January 1982). "Of IBM, Operating Systems, and Rosetta Stones". BYTE. p. 6. Retrieved October 19, 2013.
Fiedler, Ryan (October 1983). "The Unix Tutorial / Part 3: Unix in the Microcomputer Marketplace". BYTE. p. 132. Retrieved January 30, 2015.
Malloy, Rich; Vose, G. Michael; Stewart, George A. (October 1987). "The Tandy Anniversary Product Explosion". BYTE. p. 100. Retrieved August 4, 2014.
Rose, David. "DOS Marches On". PC: The Independent Guide to IBM Personal Computers. Vol. 1, no. 12. pp. 108–125. Retrieved July 8, 2018.
Somerson, Paul (October 16, 1984). "DOS 3.0 Is Bigger, but Only Manual is Better". PC: The Independent Guide to the IBM Personal Computer. Vol. 3, no. 20. p. 40.
Schulman, Andrew; Brown, Ralf D.; Maxey, David; Michels, Raymond J.; Kyle, Jim (1994) [November 1993]. Undocumented DOS: A programmer's guide to reserved MS-DOS functions and data structures — expanded to include MS-DOS 6, Novell DOS and Windows 3.1 (2 ed.). Reading, Massachusetts: Addison Wesley. ISBN 0-201-63287-X. (xviii+856+vi pages, 3.5"-floppy) Errata: [6] [7]
Schulman, Andrew (1994). Undocumented DOS : a programmer's guide to reserved MS-DOS functions and data structures. Internet Archive. Reading, Mass. : Addison-Wesley Pub. Co. ISBN 978-0-201-63287-3.

archive.today (Global: 14^th place; English: 14^th place)

"Exhibits to Microsoft's Cross Motion for Summary Judgment in Novell WordPerfect Case". Groklaw. November 23, 2009. Archived from the original on August 21, 2013. Retrieved October 22, 2011.

arstechnica.com (Global: 388^th place; English: 265^th place)

Cunningham, Andrew (April 26, 2024). "Microsoft open-sources infamously weird, RAM-hungry MS-DOS 4.00 release". Ars Technica. Microsoft has open-sourced another bit of computing history this week: The company teamed up with IBM to release the source code of 1988's MS-DOS 4.00, a version better known for its unpopularity, bugginess, and convoluted development history than its utility as a computer operating system.

bitsavers.org (Global: 4,153^rd place; English: 2,291^st place)

"Customizing MS-DOS 1.23 and Later" (PDF). bitsavers.org. Retrieved December 20, 2024.

biztechmagazine.com (Global: low place; English: low place)

Goldstein, Phil (October 27, 2017). "MS-DOS Became Synonymous with PC Operating Systems in the 1980s". BizTech Magazine. Archived from the original on January 26, 2018. Retrieved January 26, 2018.

books.google.com (Global: 3^rd place; English: 3^rd place)

Freiberger, Paul (August 23, 1982). "Bill Gates, Microsoft and the IBM Personal Computer". InfoWorld. p. 22. Archived from the original on February 18, 2023. Retrieved January 29, 2015.
Swaine, Michael (August 23, 1982). "MS-DOS: examining IBM PC's disk-operating system". InfoWorld. p. 24. Archived from the original on February 18, 2023. Retrieved January 29, 2015.
"Before you bet your business software on an OS, look who's betting on MS-DOS and XENIX". InfoWorld (advertisement). June 27, 1983. p. 44. Archived from the original on February 18, 2023. Retrieved January 31, 2015.

byte.com (Global: low place; English: low place)

"How Safe is Disk Compression?". BYTE Magazine. February 1994. Archived from the original on June 19, 2008.

c-bit.org (Global: low place; English: low place)

"MS-DOS Partitioning Summary". Support. Microsoft. Archived from the original on June 12, 2018. Retrieved June 11, 2018.

cmu.edu (Global: 1,564^th place; English: 1,028^th place)

cs.cmu.edu

Brown, Ralf D. (December 29, 2002). "The x86 Interrupt List". Archived from the original on August 22, 2017. Retrieved October 14, 2011 – via Carnegie Mellon University.

computerhistory.org (Global: 2,213^th place; English: 1,495^th place)

Paterson, Tim (December 19, 2013) [1983-05-17]. "Microsoft DOS V1.1 and V2.0: /msdos/v11source/MSDOS.ASM". Computer History Museum, Microsoft. Archived from the original on August 14, 2019. Retrieved March 25, 2014. (NB. While the publishers claim this would be MS-DOS 1.1 and 2.0, it actually is SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11.)
Shustek, Len (March 24, 2014). "Microsoft MS-DOS early source code". Software Gems: The Computer History Museum Historical Source Code Series. Archived from the original on August 10, 2019. Retrieved March 29, 2014. (NB. While the author claims this would be MS-DOS 1.1 and 2.0, it actually is SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11.)

computerhope.com (Global: 8,400^th place; English: 6,430^th place)

"Microsoft DOS History". www.computerhope.com. Retrieved May 23, 2024.

computerworld.com (Global: 2,429^th place; English: 1,561^st place)

Montalbano, Elizabeth (April 13, 2006). "Microsoft support for Windows 98, ME to end in July". Computerworld. Archived from the original on March 29, 2021. Retrieved February 16, 2021.

ctyme.com (Global: low place; English: low place)

"DOS 2+ - OPEN — Open Existing File". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved July 10, 2018.
"DOS 2+ - DUP — Duplicate File Handle". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"DOS 2+ - EXEC — Load And/Or Execute Program". Ralf Brown's Interrupt List. Archived from the original on November 16, 2017. Retrieved June 10, 2018.
"DOS 2+ - Terminate And Stay Resident". Ralf Brown's Interrupt List. Archived from the original on September 27, 2017. Retrieved June 10, 2018.
"DOS 3.1+ - IOCTL — Check If Handle Is Remote". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"DOS 3.1+ network — Get Network Printer Setup String". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"DOS 3.3+ - FFLUSH — Commit File". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.

digitalresearch.biz (Global: low place; English: low place)

Antov, Leven (1996). "History of MS-DOS". Digital Research. Archived from the original on October 2, 2017. Retrieved May 6, 2015.

doi.org (Global: 2^nd place; English: 2^nd place)

Lapuz, Jerica Jean (2023). "Unveiling the Depths of Ms-Dos: An In-Depth Exploration of ITS Architecture, Commands, and Historical Significance". doi:10.13140/RG.2.2.14329.85608 – via ResearchGate.

emsps.com (Global: low place; English: low place)

"Microsoft DOS Version Features". EMS Professional Software and Specialty Services. Archived from the original on August 29, 2017. Retrieved August 29, 2017.

every.to (Global: low place; English: low place)

Edwards, Gareth (June 16, 2025). "The Man Who Beat IBM". Every. Retrieved August 7, 2025.

extremetech.com (Global: 4,667^th place; English: 3,322^nd place)

Lendino, Jamie (November 20, 2015). "Microsoft Windows turns 30: A brief retrospective". ExtremeTech. Retrieved June 13, 2025.

faqs.org (Global: 4,871^st place; English: 4,382^nd place)

"DOS 4.0: About volume serial number". Faqs.org. Archived from the original on October 10, 2012. Retrieved September 27, 2012.

github.com (Global: 383^rd place; English: 320^th place)

"Where is source code of 3.30 and 5.0 versions? · Issue #424 · microsoft/MS-DOS". GitHub. Archived from the original on December 19, 2020. Retrieved March 3, 2021.

ibm.com (Global: 1,131^st place; English: 850^th place)

"Personal Computer Announced by IBM" (PDF). ibm.com. IBM. Archived (PDF) from the original on December 12, 2018. Retrieved September 27, 2014.

infoworld.com (Global: 3,696^th place; English: 2,428^th place)

Phipps, Simon (March 26, 2014). "Psych! Microsoft didn't really open-source MS-DOS". InfoWorld. Archived from the original on March 28, 2014. Retrieved March 27, 2014.

jeffpar.github.io (Global: low place; English: low place)

"Standard Floppy Disk Formats Supported by MS-DOS". Microsoft Support. Microsoft. Archived from the original on March 4, 2016. Retrieved June 11, 2018.

linfo.org (Global: low place; English: 8,630^th place)

"MS-DOS: A Brief Introduction". The Linux Information Project. Archived from the original on December 14, 2017. Retrieved December 14, 2017.

loc.gov (Global: 70^th place; English: 63^rd place)

lccn.loc.gov

Allen, Paul; Gates, Bill; King, Adrian; Larson, Chris; Letwin, Gordon; O'Rear, Bob; Paterson, Tim; Peters, Chris; Phillips, Bruce; Reynolds, Aaron; Stillmaker, Betty; Zbikowski, Mark (1986). "Technical advisors". MS-DOS (Versions 1.0-3.2) Technical Reference Encyclopedia. By Bornstein, Howard; Bredehoeft, Lawrence; Duncan, Ray; Morris, Carol; Rose, David; Socha, John; Tomlin, Jim; Vian, Kathleen; Wolverton, Van. Beley, Jim; Preppernau, Barry; Beason, Pam; Lewis, Andrea; Rygmyr, David (eds.). Microsoft Reference Library. Vol. 1 (Original withdrawn ed.). Redmond, Washington, USA: Microsoft Press. ISBN 0-914845-69-1. LCCN 86-8640. OCLC 635600205. (xvii+1053 pages; 29 cm) (NB. This original edition contains flowcharts of the internal workings of the system. It was withdrawn by Microsoft before mass-distribution in 1986 because it contained many factual errors as well as some classified information which should not have been published. Few printed copies survived. It was replaced by a completely reworked edition in 1988. [2] Archived July 15, 2019, at the Wayback Machine)
Zbikowski, Mark; Allen, Paul; Ballmer, Steve; Borman, Reuben; Borman, Rob; Butler, John; Carroll, Chuck; Chamberlain, Mark; Chell, David; Colee, Mike; Courtney, Mike; Dryfoos, Mike; Duncan, Rachel; Eckhardt, Kurt; Evans, Eric; Farmer, Rick; Gates, Bill; Geary, Michael; Griffin, Bob; Hogarth, Doug; Johnson, James W.; Kermaani, Kaamel; King, Adrian; Koch, Reed; Landowski, James; Larson, Chris; Lennon, Thomas; Lipkie, Dan; McDonald, Marc; McKinney, Bruce; Martin, Pascal; Mathers, Estelle; Matthews, Bob; Melin, David; Mergentime, Charles; Nevin, Randy; Newell, Dan; Newell, Tani; Norris, David; O'Leary, Mike; O'Rear, Bob; Olsson, Mike; Osterman, Larry; Ostling, Ridge; Pai, Sunil; Paterson, Tim; Perez, Gary; Peters, Chris; Petzold, Charles; Pollock, John; Reynolds, Aaron; Rubin, Darryl; Ryan, Ralph; Schulmeisters, Karl; Shah, Rajen; Shaw, Barry; Short, Anthony; Slivka, Ben; Smirl, Jon; Stillmaker, Betty; Stoddard, John; Tillman, Dennis; Whitten, Greg; Yount, Natalie; Zeck, Steve (1988). "Technical advisors". The MS-DOS Encyclopedia: versions 1.0 through 3.2. By Duncan, Ray; Bostwick, Steve; Burgoyne, Keith; Byers, Robert A.; Hogan, Thom; Kyle, Jim; Letwin, Gordon; Petzold, Charles; Rabinowitz, Chip; Tomlin, Jim; Wilton, Richard; Wolverton, Van; Wong, William; Woodcock, JoAnne (Completely reworked ed.). Redmond, Washington, USA: Microsoft Press. ISBN 1-55615-049-0. LCCN 87-21452. OCLC 16581341. (xix+1570 pages; 26 cm) (NB. This edition was published in 1988 after extensive rework of the withdrawn 1986 first edition by a different team of authors. [3] Archived October 14, 2018, at the Wayback Machine)

microsoft.com (Global: 153^rd place; English: 151^st place)

support.microsoft.com

"Obsolete Products Life-Cycle Policy". Support. Microsoft. July 30, 2009. Archived from the original on July 6, 2006. Retrieved April 6, 2010.
"Microsoft Support Lifecycle". Microsoft. Archived from the original on November 22, 2012. Retrieved February 7, 2015.
"List of limitations in 64-Bit Windows". Support. Microsoft. October 11, 2007. Archived from the original on July 23, 2016. Retrieved May 26, 2016.

blogs.msdn.microsoft.com

Turner, Rich (September 28, 2018). "Re-Open-Sourcing MS-DOS 1.25 and 2.0". Windows Command Line Tools For Developers. Archived from the original on September 29, 2018. Retrieved September 29, 2018.
Allen, Paul; Gates, Bill; King, Adrian; Larson, Chris; Letwin, Gordon; O'Rear, Bob; Paterson, Tim; Peters, Chris; Phillips, Bruce; Reynolds, Aaron; Stillmaker, Betty; Zbikowski, Mark (1986). "Technical advisors". MS-DOS (Versions 1.0-3.2) Technical Reference Encyclopedia. By Bornstein, Howard; Bredehoeft, Lawrence; Duncan, Ray; Morris, Carol; Rose, David; Socha, John; Tomlin, Jim; Vian, Kathleen; Wolverton, Van. Beley, Jim; Preppernau, Barry; Beason, Pam; Lewis, Andrea; Rygmyr, David (eds.). Microsoft Reference Library. Vol. 1 (Original withdrawn ed.). Redmond, Washington, USA: Microsoft Press. ISBN 0-914845-69-1. LCCN 86-8640. OCLC 635600205. (xvii+1053 pages; 29 cm) (NB. This original edition contains flowcharts of the internal workings of the system. It was withdrawn by Microsoft before mass-distribution in 1986 because it contained many factual errors as well as some classified information which should not have been published. Few printed copies survived. It was replaced by a completely reworked edition in 1988. [2] Archived July 15, 2019, at the Wayback Machine)

technet.microsoft.com

"MS-DOS 6 Technical Reference". TechNet. Microsoft. Archived from the original on January 27, 2014. Retrieved February 13, 2014.
"Country". MS-DOS 6 Technical Reference. Microsoft. ANSI.SYS. Archived from the original on February 16, 2014. Retrieved April 1, 2014 – via TechNet.

devblogs.microsoft.com

"What was the role of MS-DOS in Windows 95?". The Old New Thing. December 24, 2007. Archived from the original on January 28, 2011. Retrieved June 30, 2021.
Chen, Raymond (December 24, 2007). "What was the role of MS-DOS in Windows 95?". The Old New Thing. Retrieved June 13, 2025.

cloudblogs.microsoft.com

Hanselman, Scott; Wilcox, Jeff (April 25, 2024). "Open sourcing MS-DOS 4.0". Microsoft Open Source Blog. Archived from the original on April 25, 2024. Retrieved April 26, 2024. Today, in partnership with IBM and in the spirit of open innovation, we're releasing the source code to MS-DOS 4.00 under the MIT license.

windows.microsoft.com

"A history of Windows". microsoft.com. Microsoft. November 2013. Archived from the original on May 10, 2015. Retrieved May 10, 2015.

blogs.microsoft.com

Levin, Roy (March 25, 2014). "Microsoft makes source code for MS-DOS and Word for Windows available to public". Official Microsoft Blog. Archived from the original on December 14, 2017. Retrieved March 29, 2014. (NB. While the author claims this would be MS-DOS 1.1 and 2.0, it actually is SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11.)

lumiaconversations.microsoft.com

Peters, Luke (April 1, 2015). "Microsoft launches MS-DOS Mobile". Microsoft Lumia. Archived from the original on April 2, 2015. Retrieved April 2, 2015. The MS-DOS Mobile preview is an essential download

msdn.microsoft.com

"Supplemental Disk — MS-DOS 6 Technical Reference". Microsoft Developer Network. February 20, 2014. Archived from the original on September 2, 2017. Retrieved January 26, 2018.

microsoft.com

Microsoft. "Windows 11 Specs and System Requirements | Microsoft Windows". Windows. Retrieved June 13, 2025.

old-computers.com (Global: low place; English: low place)

"Toshiba Pasopia 16/T300/PAP". old-computers.com. Archived from the original on December 9, 2021. Retrieved December 29, 2021.

oldfiles.org.uk (Global: low place; English: low place)

Comerford, M. "DOS Timeline ~ Part One ~ 1980 to 1993". PowerLoad. Archived from the original on February 24, 2006. Retrieved June 18, 2015.

os2museum.com (Global: low place; English: low place)

"DOS 2.0 and 2.1: Hello, UNIX!". OS/2 Museum. Archived from the original on June 12, 2018. Retrieved July 29, 2018.
"DOS 3.0, 3.1, and 3.2: The Networked PC/AT". OS/2 Museum. Archived from the original on June 12, 2018. Retrieved June 10, 2018.
"DOS 3.3: The Mature DOS". OS/2 Museum. Archived from the original on June 17, 2017. Retrieved June 10, 2018.
"DOS 4.0: the apparent cul-de-sac". OS/2 Museum. Archived from the original on June 12, 2018. Retrieved June 10, 2018.

patersontech.com (Global: low place; English: low place)

Paterson, Tim (June 1983). "An Inside Look at MS-DOS". Seattle Computer Products. Seattle. Archived from the original on May 6, 2017. Retrieved April 16, 2016.
Conner, Doug. "Father of DOS Still Having Fun at Microsoft". patersontech.com. Micronews. Archived from the original on February 9, 2010. Retrieved December 5, 2009.
"Paterson Technology". www.patersontech.com. Archived from the original on September 6, 2019. Retrieved October 24, 2025.

pcdosretro.github.io (Global: low place; English: low place)

"History of DOS". PC DOS Retro. Archived from the original on February 21, 2020. Retrieved July 29, 2018.

pcjs.org (Global: low place; English: low place)

Zbikowski, Mark; Allen, Paul; Ballmer, Steve; Borman, Reuben; Borman, Rob; Butler, John; Carroll, Chuck; Chamberlain, Mark; Chell, David; Colee, Mike; Courtney, Mike; Dryfoos, Mike; Duncan, Rachel; Eckhardt, Kurt; Evans, Eric; Farmer, Rick; Gates, Bill; Geary, Michael; Griffin, Bob; Hogarth, Doug; Johnson, James W.; Kermaani, Kaamel; King, Adrian; Koch, Reed; Landowski, James; Larson, Chris; Lennon, Thomas; Lipkie, Dan; McDonald, Marc; McKinney, Bruce; Martin, Pascal; Mathers, Estelle; Matthews, Bob; Melin, David; Mergentime, Charles; Nevin, Randy; Newell, Dan; Newell, Tani; Norris, David; O'Leary, Mike; O'Rear, Bob; Olsson, Mike; Osterman, Larry; Ostling, Ridge; Pai, Sunil; Paterson, Tim; Perez, Gary; Peters, Chris; Petzold, Charles; Pollock, John; Reynolds, Aaron; Rubin, Darryl; Ryan, Ralph; Schulmeisters, Karl; Shah, Rajen; Shaw, Barry; Short, Anthony; Slivka, Ben; Smirl, Jon; Stillmaker, Betty; Stoddard, John; Tillman, Dennis; Whitten, Greg; Yount, Natalie; Zeck, Steve (1988). "Technical advisors". The MS-DOS Encyclopedia: versions 1.0 through 3.2. By Duncan, Ray; Bostwick, Steve; Burgoyne, Keith; Byers, Robert A.; Hogan, Thom; Kyle, Jim; Letwin, Gordon; Petzold, Charles; Rabinowitz, Chip; Tomlin, Jim; Wilton, Richard; Wolverton, Van; Wong, William; Woodcock, JoAnne (Completely reworked ed.). Redmond, Washington, USA: Microsoft Press. ISBN 1-55615-049-0. LCCN 87-21452. OCLC 16581341. (xix+1570 pages; 26 cm) (NB. This edition was published in 1988 after extensive rework of the withdrawn 1986 first edition by a different team of authors. [3] Archived October 14, 2018, at the Wayback Machine)

pcministry.com (Global: low place; English: low place)

thestarman.pcministry.com

Sedory, Daniel B. (March 9, 2018). "Windows XP MS-DOS Startup Disk". The Starman's Realm. Archived from the original on March 9, 2018. Retrieved March 9, 2018.

retrocomputing.net (Global: low place; English: low place)

Allan, Roy A. (2001). "Microsoft in the 1980s, part III 1980s – The IBM/Macintosh era". A history of the personal computer: the people and the technology. London, Ontario: Allan Pub. p. 14. ISBN 0-9689108-0-7. Archived from the original on July 2, 2006. Retrieved December 5, 2009. [1] Archived July 15, 2006, at the Wayback Machine

rgdoi.net (Global: low place; English: low place)

Lapuz, Jerica Jean (2023). "Unveiling the Depths of Ms-Dos: An In-Depth Exploration of ITS Architecture, Commands, and Historical Significance". doi:10.13140/RG.2.2.14329.85608 – via ResearchGate.

robotron-net.de (Global: low place; English: low place)

Anwenderdokumentation - Anleitung für den Systemprogrammierer - MOS DCP 1700 (PDF). 3.20 (in German). Dresden, East-Germany: VEB Robotron-Projekt Dresden. January 29, 1988. C3013-0000-0 M3030, Textdiskette DCP1700 T1/2 C3010-9991-2M3020, Disk-Nr.: 5962 /88 ROBOTRON PROJEKT DRESDEN KA2 DD-DS 80*16*256. Archived (PDF) from the original on August 29, 2021. Retrieved December 3, 2021.

robotrontechnik.de (Global: low place; English: low place)

"Computer P8000 compact". robotrontechnik.de (in German). February 10, 2020. Archived from the original on October 26, 2020. Retrieved December 3, 2021. [4] Archived December 3, 2021, at the Wayback Machine
Kurth, Rüdiger; Groß, Martin; Hunger, Henry (November 29, 2016) [2007]. "Betriebssystem DCP". www.robotrontechnik.de (in German). Archived from the original on April 3, 2019. Retrieved April 28, 2019.

seattletimes.com (Global: 519^th place; English: 316^th place)

archive.seattletimes.com

Evans, Harold. "Judge says PC-system allegations not libel". The Seattle Times.

skrause.org (Global: low place; English: low place)

"Short History of MS-DOS". Archived from the original on July 8, 2018. Retrieved July 8, 2018.

techknowledgedb.com (Global: low place; English: low place)

"MSdos and its evolution history". November 2, 2025.^{[dead link]}

techrepublic.com (Global: 4,491^st place; English: 2,855^th place)

Shultz, Greg (November 6, 2006). "Dinosaur Sightings: Installing MS-DOS 4". TechRepublic. CBS Interactive. Archived from the original on August 29, 2017. Retrieved August 29, 2017.

theguardian.com (Global: 12^th place; English: 11^th place)

Gibbs, Samuel (October 2, 2014). "From Windows 1 to Windows 10: 29 years of Windows evolution". The Guardian. ISSN 0261-3077. Retrieved June 13, 2025.

tiffe.de (Global: low place; English: low place)

Programmtechnische Beschreibung - Arbeitsplatzcomputer A 7150 Betriebssystem DCP 1700 - Kompendium (PDF). 3.20 (in German). Dresden, East-Germany: VEB Robotron-Projekt Dresden. December 1987. C3013-0001-1 M3030 Ag 706/169/88-5749. Archived (PDF) from the original on January 23, 2017. Retrieved December 3, 2021.

toastytech.com (Global: low place; English: low place)

"Magic Desk I for Commodore 64". toastytech.com. Retrieved June 13, 2025.

tripod.com (Global: 549^th place; English: 491^st place)

pcmuseum.tripod.com

"DOS history". Pcmuseum.tripod.com. Archived from the original on August 29, 2017. Retrieved August 29, 2017.

ultrawindows.nl (Global: low place; English: low place)

"Microsoft MS-DOS Informatie". ultrawindows.nl. Archived from the original on August 9, 2011. Retrieved September 27, 2012.

unipi.it (Global: low place; English: low place)

sba.unipi.it

"Personal Computer M19" (PDF) (in Italian). Olivetti. Archived (PDF) from the original on October 27, 2021. Retrieved December 29, 2021.

web.archive.org (Global: 1^st place; English: 1^st place)

Paterson, Tim (June 1983). "An Inside Look at MS-DOS". Seattle Computer Products. Seattle. Archived from the original on May 6, 2017. Retrieved April 16, 2016.
"MS-DOS: A Brief Introduction". The Linux Information Project. Archived from the original on December 14, 2017. Retrieved December 14, 2017.
Hanselman, Scott; Wilcox, Jeff (April 25, 2024). "Open sourcing MS-DOS 4.0". Microsoft Open Source Blog. Archived from the original on April 25, 2024. Retrieved April 26, 2024. Today, in partnership with IBM and in the spirit of open innovation, we're releasing the source code to MS-DOS 4.00 under the MIT license.
"Obsolete Products Life-Cycle Policy". Support. Microsoft. July 30, 2009. Archived from the original on July 6, 2006. Retrieved April 6, 2010.
Allan, Roy A. (2001). "Microsoft in the 1980s, part III 1980s – The IBM/Macintosh era". A history of the personal computer: the people and the technology. London, Ontario: Allan Pub. p. 14. ISBN 0-9689108-0-7. Archived from the original on July 2, 2006. Retrieved December 5, 2009. [1] Archived July 15, 2006, at the Wayback Machine
Conner, Doug. "Father of DOS Still Having Fun at Microsoft". patersontech.com. Micronews. Archived from the original on February 9, 2010. Retrieved December 5, 2009.
"A history of Windows". microsoft.com. Microsoft. November 2013. Archived from the original on May 10, 2015. Retrieved May 10, 2015.
Antov, Leven (1996). "History of MS-DOS". Digital Research. Archived from the original on October 2, 2017. Retrieved May 6, 2015.
"Personal Computer Announced by IBM" (PDF). ibm.com. IBM. Archived (PDF) from the original on December 12, 2018. Retrieved September 27, 2014.
Freiberger, Paul (August 23, 1982). "Bill Gates, Microsoft and the IBM Personal Computer". InfoWorld. p. 22. Archived from the original on February 18, 2023. Retrieved January 29, 2015.
Swaine, Michael (August 23, 1982). "MS-DOS: examining IBM PC's disk-operating system". InfoWorld. p. 24. Archived from the original on February 18, 2023. Retrieved January 29, 2015.
"Before you bet your business software on an OS, look who's betting on MS-DOS and XENIX". InfoWorld (advertisement). June 27, 1983. p. 44. Archived from the original on February 18, 2023. Retrieved January 31, 2015.
Paterson, Tim (December 19, 2013) [1983-05-17]. "Microsoft DOS V1.1 and V2.0: /msdos/v11source/MSDOS.ASM". Computer History Museum, Microsoft. Archived from the original on August 14, 2019. Retrieved March 25, 2014. (NB. While the publishers claim this would be MS-DOS 1.1 and 2.0, it actually is SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11.)
Shustek, Len (March 24, 2014). "Microsoft MS-DOS early source code". Software Gems: The Computer History Museum Historical Source Code Series. Archived from the original on August 10, 2019. Retrieved March 29, 2014. (NB. While the author claims this would be MS-DOS 1.1 and 2.0, it actually is SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11.)
Levin, Roy (March 25, 2014). "Microsoft makes source code for MS-DOS and Word for Windows available to public". Official Microsoft Blog. Archived from the original on December 14, 2017. Retrieved March 29, 2014. (NB. While the author claims this would be MS-DOS 1.1 and 2.0, it actually is SCP MS-DOS 1.25 and a mixture of Altos MS-DOS 2.11 and TeleVideo PC DOS 2.11.)
Phipps, Simon (March 26, 2014). "Psych! Microsoft didn't really open-source MS-DOS". InfoWorld. Archived from the original on March 28, 2014. Retrieved March 27, 2014.
Turner, Rich (September 28, 2018). "Re-Open-Sourcing MS-DOS 1.25 and 2.0". Windows Command Line Tools For Developers. Archived from the original on September 29, 2018. Retrieved September 29, 2018.
Peters, Luke (April 1, 2015). "Microsoft launches MS-DOS Mobile". Microsoft Lumia. Archived from the original on April 2, 2015. Retrieved April 2, 2015. The MS-DOS Mobile preview is an essential download
Allen, Paul; Gates, Bill; King, Adrian; Larson, Chris; Letwin, Gordon; O'Rear, Bob; Paterson, Tim; Peters, Chris; Phillips, Bruce; Reynolds, Aaron; Stillmaker, Betty; Zbikowski, Mark (1986). "Technical advisors". MS-DOS (Versions 1.0-3.2) Technical Reference Encyclopedia. By Bornstein, Howard; Bredehoeft, Lawrence; Duncan, Ray; Morris, Carol; Rose, David; Socha, John; Tomlin, Jim; Vian, Kathleen; Wolverton, Van. Beley, Jim; Preppernau, Barry; Beason, Pam; Lewis, Andrea; Rygmyr, David (eds.). Microsoft Reference Library. Vol. 1 (Original withdrawn ed.). Redmond, Washington, USA: Microsoft Press. ISBN 0-914845-69-1. LCCN 86-8640. OCLC 635600205. (xvii+1053 pages; 29 cm) (NB. This original edition contains flowcharts of the internal workings of the system. It was withdrawn by Microsoft before mass-distribution in 1986 because it contained many factual errors as well as some classified information which should not have been published. Few printed copies survived. It was replaced by a completely reworked edition in 1988. [2] Archived July 15, 2019, at the Wayback Machine)
Zbikowski, Mark; Allen, Paul; Ballmer, Steve; Borman, Reuben; Borman, Rob; Butler, John; Carroll, Chuck; Chamberlain, Mark; Chell, David; Colee, Mike; Courtney, Mike; Dryfoos, Mike; Duncan, Rachel; Eckhardt, Kurt; Evans, Eric; Farmer, Rick; Gates, Bill; Geary, Michael; Griffin, Bob; Hogarth, Doug; Johnson, James W.; Kermaani, Kaamel; King, Adrian; Koch, Reed; Landowski, James; Larson, Chris; Lennon, Thomas; Lipkie, Dan; McDonald, Marc; McKinney, Bruce; Martin, Pascal; Mathers, Estelle; Matthews, Bob; Melin, David; Mergentime, Charles; Nevin, Randy; Newell, Dan; Newell, Tani; Norris, David; O'Leary, Mike; O'Rear, Bob; Olsson, Mike; Osterman, Larry; Ostling, Ridge; Pai, Sunil; Paterson, Tim; Perez, Gary; Peters, Chris; Petzold, Charles; Pollock, John; Reynolds, Aaron; Rubin, Darryl; Ryan, Ralph; Schulmeisters, Karl; Shah, Rajen; Shaw, Barry; Short, Anthony; Slivka, Ben; Smirl, Jon; Stillmaker, Betty; Stoddard, John; Tillman, Dennis; Whitten, Greg; Yount, Natalie; Zeck, Steve (1988). "Technical advisors". The MS-DOS Encyclopedia: versions 1.0 through 3.2. By Duncan, Ray; Bostwick, Steve; Burgoyne, Keith; Byers, Robert A.; Hogan, Thom; Kyle, Jim; Letwin, Gordon; Petzold, Charles; Rabinowitz, Chip; Tomlin, Jim; Wilton, Richard; Wolverton, Van; Wong, William; Woodcock, JoAnne (Completely reworked ed.). Redmond, Washington, USA: Microsoft Press. ISBN 1-55615-049-0. LCCN 87-21452. OCLC 16581341. (xix+1570 pages; 26 cm) (NB. This edition was published in 1988 after extensive rework of the withdrawn 1986 first edition by a different team of authors. [3] Archived October 14, 2018, at the Wayback Machine)
Programmtechnische Beschreibung - Arbeitsplatzcomputer A 7150 Betriebssystem DCP 1700 - Kompendium (PDF). 3.20 (in German). Dresden, East-Germany: VEB Robotron-Projekt Dresden. December 1987. C3013-0001-1 M3030 Ag 706/169/88-5749. Archived (PDF) from the original on January 23, 2017. Retrieved December 3, 2021.
Anwenderdokumentation - Anleitung für den Systemprogrammierer - MOS DCP 1700 (PDF). 3.20 (in German). Dresden, East-Germany: VEB Robotron-Projekt Dresden. January 29, 1988. C3013-0000-0 M3030, Textdiskette DCP1700 T1/2 C3010-9991-2M3020, Disk-Nr.: 5962 /88 ROBOTRON PROJEKT DRESDEN KA2 DD-DS 80*16*256. Archived (PDF) from the original on August 29, 2021. Retrieved December 3, 2021.
"Computer P8000 compact". robotrontechnik.de (in German). February 10, 2020. Archived from the original on October 26, 2020. Retrieved December 3, 2021. [4] Archived December 3, 2021, at the Wayback Machine
Kurth, Rüdiger; Groß, Martin; Hunger, Henry (November 29, 2016) [2007]. "Betriebssystem DCP". www.robotrontechnik.de (in German). Archived from the original on April 3, 2019. Retrieved April 28, 2019.
"Microsoft DOS Version Features". EMS Professional Software and Specialty Services. Archived from the original on August 29, 2017. Retrieved August 29, 2017.
"DOS history". Pcmuseum.tripod.com. Archived from the original on August 29, 2017. Retrieved August 29, 2017.
"16BitOS - MS-DOS® Version 1.12 - Compaq OEM". Archived from the original on October 2, 2020. Retrieved March 3, 2021.
"16BitOS - MS DOS® Version 1.13 - Texas Instruments OEM". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"Microsoft MS-DOS Informatie". ultrawindows.nl. Archived from the original on August 9, 2011. Retrieved September 27, 2012.
"16BitOS - MS DOS® Version 1.25 - Zenith OEM". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"Short History of MS-DOS". Archived from the original on July 8, 2018. Retrieved July 8, 2018.
"DOS 2.0 and 2.1: Hello, UNIX!". OS/2 Museum. Archived from the original on June 12, 2018. Retrieved July 29, 2018.
"DOS 2+ - OPEN — Open Existing File". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved July 10, 2018.
"DOS 2+ - DUP — Duplicate File Handle". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"DOS 2+ - EXEC — Load And/Or Execute Program". Ralf Brown's Interrupt List. Archived from the original on November 16, 2017. Retrieved June 10, 2018.
"DOS 2+ - Terminate And Stay Resident". Ralf Brown's Interrupt List. Archived from the original on September 27, 2017. Retrieved June 10, 2018.
"History of DOS". PC DOS Retro. Archived from the original on February 21, 2020. Retrieved July 29, 2018.
"Standard Floppy Disk Formats Supported by MS-DOS". Microsoft Support. Microsoft. Archived from the original on March 4, 2016. Retrieved June 11, 2018.
"16BitOS - MS DOS® Version 2.00 - NCR OEM". Archived from the original on October 8, 2020. Retrieved March 3, 2021.
"16BitOS - MS DOS® Version 2.02 - Compaq OEM". Archived from the original on October 2, 2020. Retrieved March 3, 2021.
"16BitOS - MS DOS® Version 2.05 - Digital OEM". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"16BitOS - MS DOS® Version 2.11 - ITT OEM". Archived from the original on February 15, 2020. Retrieved March 3, 2021.
"Personal Computer M19" (PDF) (in Italian). Olivetti. Archived (PDF) from the original on October 27, 2021. Retrieved December 29, 2021.
"16BitOS - MS DOS® Version 2.13 - Zenith OEM". Archived from the original on October 8, 2020. Retrieved March 3, 2021.
"Toshiba Pasopia 16/T300/PAP". old-computers.com. Archived from the original on December 9, 2021. Retrieved December 29, 2021.
"DOS 3.0, 3.1, and 3.2: The Networked PC/AT". OS/2 Museum. Archived from the original on June 12, 2018. Retrieved June 10, 2018.
"16BitOS - MS DOS® Version 3.00 - Compaq OEM". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"DOS 3.1+ - IOCTL — Check If Handle Is Remote". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"DOS 3.1+ network — Get Network Printer Setup String". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"16BitOS - MS DOS® Version 3.10 - Multitech OEM". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"16BitOS - MS-DOS® Version 3.20". Archived from the original on October 2, 2020. Retrieved March 3, 2021.
"16BitOS - MS DOS® Version 3.21". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"DOS 3.3: The Mature DOS". OS/2 Museum. Archived from the original on June 17, 2017. Retrieved June 10, 2018.
"DOS 3.3+ - FFLUSH — Commit File". Ralf Brown's Interrupt List. Archived from the original on July 15, 2019. Retrieved June 10, 2018.
"16BitOS - MS-DOS® Version 3.30". Archived from the original on October 1, 2020. Retrieved March 3, 2021.
"16BitOS - MS-DOS® Version 3.30A DTK OEM". Archived from the original on October 2, 2020. Retrieved March 3, 2021.
"16BitOS - MS-DOS® Version 3.30T - Tandy OEM". Archived from the original on October 7, 2020. Retrieved March 3, 2021.
Shultz, Greg (November 6, 2006). "Dinosaur Sightings: Installing MS-DOS 4". TechRepublic. CBS Interactive. Archived from the original on August 29, 2017. Retrieved August 29, 2017.
"MS-DOS Partitioning Summary". Support. Microsoft. Archived from the original on June 12, 2018. Retrieved June 11, 2018.
"DOS 4.0: the apparent cul-de-sac". OS/2 Museum. Archived from the original on June 12, 2018. Retrieved June 10, 2018.
"16BitOS - MS-DOS® Version 4.00". Archived from the original on October 2, 2020. Retrieved March 3, 2021.
"DOS 4.0: About volume serial number". Faqs.org. Archived from the original on October 10, 2012. Retrieved September 27, 2012.
"16BitOS - MS-DOS® Version 4.01". Archived from the original on October 7, 2020. Retrieved March 3, 2021.
Brown, Ralf D. (December 29, 2002). "The x86 Interrupt List". Archived from the original on August 22, 2017. Retrieved October 14, 2011 – via Carnegie Mellon University.
Paul, Matthias R. (July 30, 1997) [1994-05-01]. "II.16.iv. Landessprachliche Unterstützung – Codeseiten" [II.16.iv. National language support – Codepages]. NWDOS-TIPs – Tips & Tricks rund um Novell DOS 7, mit Blick auf undokumentierte Details, Bugs und Workarounds [NWDOSTIPs – Tips & tricks for Novell DOS 7, with special focus on undocumented details, bugs and workarounds]. Release 157 (in German) (3 ed.). Archived from the original on June 6, 2016. Retrieved June 6, 2016. [5]
"MS-DOS 6 Technical Reference". TechNet. Microsoft. Archived from the original on January 27, 2014. Retrieved February 13, 2014.
"Country". MS-DOS 6 Technical Reference. Microsoft. ANSI.SYS. Archived from the original on February 16, 2014. Retrieved April 1, 2014 – via TechNet.
"Paterson Technology". www.patersontech.com. Archived from the original on September 6, 2019. Retrieved October 24, 2025.
Schulman, Andrew; Brown, Ralf D.; Maxey, David; Michels, Raymond J.; Kyle, Jim (1994) [November 1993]. Undocumented DOS: A programmer's guide to reserved MS-DOS functions and data structures — expanded to include MS-DOS 6, Novell DOS and Windows 3.1 (2 ed.). Reading, Massachusetts: Addison Wesley. ISBN 0-201-63287-X. (xviii+856+vi pages, 3.5"-floppy) Errata: [6] [7]
"How Safe is Disk Compression?". BYTE Magazine. February 1994. Archived from the original on June 19, 2008.
"What was the role of MS-DOS in Windows 95?". The Old New Thing. December 24, 2007. Archived from the original on January 28, 2011. Retrieved June 30, 2021.
Goldstein, Phil (October 27, 2017). "MS-DOS Became Synonymous with PC Operating Systems in the 1980s". BizTech Magazine. Archived from the original on January 26, 2018. Retrieved January 26, 2018.
"Microsoft Support Lifecycle". Microsoft. Archived from the original on November 22, 2012. Retrieved February 7, 2015.
Montalbano, Elizabeth (April 13, 2006). "Microsoft support for Windows 98, ME to end in July". Computerworld. Archived from the original on March 29, 2021. Retrieved February 16, 2021.
"List of limitations in 64-Bit Windows". Support. Microsoft. October 11, 2007. Archived from the original on July 23, 2016. Retrieved May 26, 2016.
Sedory, Daniel B. (March 9, 2018). "Windows XP MS-DOS Startup Disk". The Starman's Realm. Archived from the original on March 9, 2018. Retrieved March 9, 2018.
"Supplemental Disk — MS-DOS 6 Technical Reference". Microsoft Developer Network. February 20, 2014. Archived from the original on September 2, 2017. Retrieved January 26, 2018.
"Where is source code of 3.30 and 5.0 versions? · Issue #424 · microsoft/MS-DOS". GitHub. Archived from the original on December 19, 2020. Retrieved March 3, 2021.
Comerford, M. "DOS Timeline ~ Part One ~ 1980 to 1993". PowerLoad. Archived from the original on February 24, 2006. Retrieved June 18, 2015.

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Allen, Paul; Gates, Bill; King, Adrian; Larson, Chris; Letwin, Gordon; O'Rear, Bob; Paterson, Tim; Peters, Chris; Phillips, Bruce; Reynolds, Aaron; Stillmaker, Betty; Zbikowski, Mark (1986). "Technical advisors". MS-DOS (Versions 1.0-3.2) Technical Reference Encyclopedia. By Bornstein, Howard; Bredehoeft, Lawrence; Duncan, Ray; Morris, Carol; Rose, David; Socha, John; Tomlin, Jim; Vian, Kathleen; Wolverton, Van. Beley, Jim; Preppernau, Barry; Beason, Pam; Lewis, Andrea; Rygmyr, David (eds.). Microsoft Reference Library. Vol. 1 (Original withdrawn ed.). Redmond, Washington, USA: Microsoft Press. ISBN 0-914845-69-1. LCCN 86-8640. OCLC 635600205. (xvii+1053 pages; 29 cm) (NB. This original edition contains flowcharts of the internal workings of the system. It was withdrawn by Microsoft before mass-distribution in 1986 because it contained many factual errors as well as some classified information which should not have been published. Few printed copies survived. It was replaced by a completely reworked edition in 1988. [2] Archived July 15, 2019, at the Wayback Machine)
Zbikowski, Mark; Allen, Paul; Ballmer, Steve; Borman, Reuben; Borman, Rob; Butler, John; Carroll, Chuck; Chamberlain, Mark; Chell, David; Colee, Mike; Courtney, Mike; Dryfoos, Mike; Duncan, Rachel; Eckhardt, Kurt; Evans, Eric; Farmer, Rick; Gates, Bill; Geary, Michael; Griffin, Bob; Hogarth, Doug; Johnson, James W.; Kermaani, Kaamel; King, Adrian; Koch, Reed; Landowski, James; Larson, Chris; Lennon, Thomas; Lipkie, Dan; McDonald, Marc; McKinney, Bruce; Martin, Pascal; Mathers, Estelle; Matthews, Bob; Melin, David; Mergentime, Charles; Nevin, Randy; Newell, Dan; Newell, Tani; Norris, David; O'Leary, Mike; O'Rear, Bob; Olsson, Mike; Osterman, Larry; Ostling, Ridge; Pai, Sunil; Paterson, Tim; Perez, Gary; Peters, Chris; Petzold, Charles; Pollock, John; Reynolds, Aaron; Rubin, Darryl; Ryan, Ralph; Schulmeisters, Karl; Shah, Rajen; Shaw, Barry; Short, Anthony; Slivka, Ben; Smirl, Jon; Stillmaker, Betty; Stoddard, John; Tillman, Dennis; Whitten, Greg; Yount, Natalie; Zeck, Steve (1988). "Technical advisors". The MS-DOS Encyclopedia: versions 1.0 through 3.2. By Duncan, Ray; Bostwick, Steve; Burgoyne, Keith; Byers, Robert A.; Hogan, Thom; Kyle, Jim; Letwin, Gordon; Petzold, Charles; Rabinowitz, Chip; Tomlin, Jim; Wilton, Richard; Wolverton, Van; Wong, William; Woodcock, JoAnne (Completely reworked ed.). Redmond, Washington, USA: Microsoft Press. ISBN 1-55615-049-0. LCCN 87-21452. OCLC 16581341. (xix+1570 pages; 26 cm) (NB. This edition was published in 1988 after extensive rework of the withdrawn 1986 first edition by a different team of authors. [3] Archived October 14, 2018, at the Wayback Machine)
MCSA/MCSE managing and maintaining a Windows server 2003 environment : exam 70-290 study guide and DVD training | WorldCat.org. OCLC 55664320.
Gibbs, Samuel (October 2, 2014). "From Windows 1 to Windows 10: 29 years of Windows evolution". The Guardian. ISSN 0261-3077. Retrieved June 13, 2025.

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