Release of MS-DOS

MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its alternate branding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred to as "DOS".

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

• Release of MS-DOS and Release of IBM PC DOS happened in the same year
• Release of MS-DOS happened 1 year after Release of 86-DOS
• Release of MS-DOS happened 2 years before Release of UNIX System V
• Release of MS-DOS happened 4 years after Release of OpenVMS
• Release of MS-DOS happened 4 years before Release of Windows 1.0

Timeline

1. Release of OpenVMSOctober 25, 1977
2. Release of 86-DOS1980
3. Release of IBM PC DOSAugust 1981
4. Release of MS-DOS (this page)August 12, 1981
5. Release of UNIX System V1983
6. Release of Windows 1.0November 20, 1985

Related

• Release of JavaMay 23, 1995
• Release of SkypeAugust 29, 2003
• Release of Windows 7October 22, 2009
• Release of Windows 10July 29, 2015
• Release of Windows 8October 26, 2012
• Release of Windows 11October 5, 2021
• Release of Windows 98June 25, 1998
• Release of Windows PhoneNovember 8, 2010