This document provides a history of versions of the DOS operating system from 1980 to 1995. It lists the release date, version number, notable new features, and compatible IBM hardware for each version from 86-DOS to PC DOS 7.0. Major releases included support for new disk formats, device drivers, and network functionality.

1. Hewie Poplock
info@hewie.net
http://hewie.net
Saturday January 28, 2017

24. 1983 Pricing

25. 1987 Pricing

26. Date Version Primary developer Notable introduction IBM hardware
8/1/1980 86-DOS 0.10 Tim Paterson First Seattle Computer release
8/1/1981 PC DOS 1.0 Microsoft First IBMrelease IBMPersonal Computer
5/1/1982 PC DOS 1.1 Microsoft Double-sided disks Upgraded IBMPersonal Computer
3/1/1983 PC DOS 2.0 Microsoft Hard disk drive, directories, device drivers IBMPersonal Computer XT
11/1/1983 PC DOS 2.1 Microsoft Half-height disk drives, ROMcartridges IBMPCjr
8/1/1984 PC DOS 3.0 Microsoft Support for larger disks IBMPersonal Computer/AT
4/1/1985 PC DOS 3.1 Microsoft Local area networking support IBMPC Network
3/1/1986 PC DOS 3.2 Microsoft 3 1/2-inch 720 KB floppy support Token Ring network - IBMPC Convertible
4/1/1987 PC DOS 3.3 IBM 3 1⁄2-inch 1.44 MB floppy support, extended partitions IBMPersonal System/2
11/1/1987 MS-DOS 3.31 Compaq Hard disk partitions over 32 MB
5/1/1988 DR-DOS 3.31 Digital Research ROMable DOS
7/1/1988 IBMDOS 4.0 IBM DOS Shell, EMS 4.0 usage
4/1/1990 DR-DOS 5.0 Digital Research Memory management
6/1/1991 MS-DOS 5.0 Microsoft MS-DOS Editor, QBasic, first retail upgrade
9/1/1991 DR-DOS 6.0 Digital Research Disk compression (AddStor's SuperStor)
3/1/1993 MS-DOS 6.0 Microsoft Disk utilities, DoubleSpace disk compression
6/1/1993 PC DOS 6.1 IBM First IBMrelease after split with Microsoft, E
9/1/1993 MS-DOS 6.2 Microsoft Improved version of DoubleSpace
2/1/1994 MS-DOS 6.21 Microsoft DoubleSpace removed due to legal injunction
4/1/1994 PC DOS 6.3 IBM SuperStor/DS disk compression
6/1/1994 MS-DOS 6.22 Microsoft Last Microsoft release; DriveSpace disk compression
4/1/1995 PC DOS 7.0 IBM Memory optimizations, Stacker disk compression, Rexx
DOS Version History

28. Name Release Date
Windows 10 7/29/2015
Windows 8.1 10/17/2013
Windows 8 10/26/2012
Windows 7 10/22/2009
Windows Vista 1/30/2007
Windows XP Professional x64 4/25/2005
Windows XP 10/25/2001
Windows ME 9/14/2000
Windows 2000 2/17/2000
Windows 98 6/25/1998
Windows NT 4.0 8/24/1996
Windows 95 8/24/1995
Windows NT 3.51 5/30/1995
Windows NT 3.5 9/21/1994
Windows 3.2 11/22/1993
Windows for Workgroups 3.11 11/1/1993
Windows NT 3.1 7/27/1993
Windows 3.1 4/1/1992
Windows 3.0 5/22/1990
Windows 2.11 3/13/1989
Windows 2.10 5/27/1988
Windows 2.03 12/9/1987
Windows 1.04 4/1/1987
Windows 1.03 8/1/1986
Windows 1.02 5/1/1986
Windows 1.01 11/20/1985
Windows Version History

29. Year Event
1978 In June of 1978 Apple introduces Apple DOS 3.1, the first operating system for the Apple computers.
1984 Apple introduces System 1.
1985 Apple introduces System 2.
1986 Apple introduces System 3.
1987 Apple introduces System 4.
1988 Apple introduces System 6.
1991 Apple introduces System 7 operating system May 13, 1991.
1995
Apple allows other computer companies to clone its computer by announcing its licensed the Macintosh
operating system rights to Radius on January 4.
1997 Apple introduces Mac OS 8.
1997 Apple buys NeXT Software Inc. for $400 million and acquires Steve Jobs, Apples cofounder, as a consultant.
1999 Apple introduces Mac OS 9.
1999 Apple releases Mac OS X Server 1.0 on March 16, 1999.
2001 Apple introduces Mac OS X 10.0 code named Cheetah and becomes available March 24, 2001.
2001 Apple introduces Mac OS X 10.1 code named Puma and becomes available on September 25, 2001.
2002 Apple introduces Mac OS X 10.2 code named Jaguar and becomes available on August 23, 2002.
2003 Apple introduces Mac OS X 10.3 code named Panther October 25, 2003.
2004 Apple introduces Mac OS X 10.4 code named Tiger at the WWDC on June 28, 2004.
2007 Apple introduces Mac OS X 10.5 code named Leopard October 26, 2007.
2008 Apple introduces MobileMe at the WWDC on June 9, 2008.
2009 Apple introduces Mac OS X 10.6 code named Snow Leopard at the WWDC on June 8, 2009.
2010 Apple introduces Mac OS X 10.7 code named Lion at the "Back to the Mac" event on October 20, 2010.
2012 Apple releases Mac OS X 10.8 code named Mountain Lion on July 25, 2012.
2013 Apple introduces Mac OS X 10.9 code named Mavericks at the WWDC on June 10, 2013.
2014 Apple introduces Mac OS X 10.10 code named Yosemite at the WWDC on June 2, 2014.
2015 Mac OS X 10.11 El Capitan was revealed on June 8, 2015, during the WWDC keynote speech.
2016 Mac OS X 10.12 Sierra was revealed on June 13, 2016, during the WWDC keynote speech.
Apple Operating Systems

30. iOS Version History

31. Android OS Version History

32. Partial list of Linux Distributions

33. Huge list of Linux Distributions

42. To put in perspective:
To download a 1 GB (Gigabyte) file
Modem:
300 baud 323+days (1962)
1200 baud 80+ days (1942:55:35) (1976)
28.8 modem 3.4+ days (82:51:01) (1994)
56.6k modem 42:36:31 (1998-2001)
Internet Broadband:
20 mbps 00:07:09
200 mbps 00:00:42

80. • Virtual Magnifying Glass Portable - A full-featured screen
magnifier
• Notepad++ Portable - A full-featured text editor with syntax
highlighting
• XAMPP - Apache, mySQL, PHP, phpMyAdmin, etc in one
package
• GoldenDict Portable - dictionary and encyclopedia lookups
• Mnemosyne Portable - flashcard memorization tool
• Big Solitaires 3D Portable - collection of 40 solitaire games
• PokerTH Portable - classic Texas Hold Em style poker at its best
• Quick Blackjack Portable (Freeware) - play blackjack against
the
• FotoSketcher Portable (Freeware) - make art from digital
images
• GIMP Portable - Photo and Image Editor
• IrfanView Portable (Freeware) - lightweight graphic viewer
• FileZilla Portable - the full-featured FTP client
• Mozilla Firefox, Portable Edition - the award-winning web
browser that's safe and secure
• Opera, Portable Edition (Freeware) - lightweight, customizable
browser
• Skype Portable (Freeware) - instant messaging, video chat and
phone calls
• AIMP Portable (freeware) - Music player, library, converter and
more
• Audacity Portable - A simple audio editor and recorder
• VLC Media Player Portable - An easy to use media player that
plays many formats
• Apache OpenOffice Portable - word processor, spreadsheet,
presentations with Microsoft compatibility
• Foxit Reader Portable (Freeware) - small and fast PDF reader
• LibreOffice Portable - word processor, spreadsheet,
presentations with excellent compatibility
• Eraser Portable - securely delete files and data
• KeePass Password Safe Portable - Secure, easy-to-use
password manager
• Spybot - Search & Destroy Portable (Freeware) - Spyware
detection and removal
• 7-Zip Portable - File archiver and compressor
• CamStudio Portable - screen recorder and video producer
• TeamViewer Portable (Freeware) - remote PC support and
screen-sharing
SOME PORTABLE APPS

81. This
Afternoon