MS-DOS

MS-DOS refers to "Microsoft DOS", the Microsoft-developed variant of DOS. Because of the prominence of Microsoft in computer industry, it is frequently the case that people refer to "DOS" when they mean MS-DOS.

• Wikipedia entry on MS-DOS
• MS-DOS Release Timeline from computerhope.com
• A short history of MS-DOS
• The History and Future of Microsoft Operating Systems
• Timeline of DOS Operating Systems from Wikipedia