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  2. Timeline of DOS operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_DOS_operating...

    The IBM PC/AT, a computer built around the 6-MHz Intel 80286 microprocessor, with a 16-bit ISA bus, new CMOS clock and 20 MB hard drive, is introduced. It ships with PC DOS 3.0, which adds support for quadruple, or high density (80-track), 15 sectors per track 1.2 MB (1,228,800 bytes; 2,400 sectors) floppy disks. Their FAT fills seven sectors ...

  3. DOS - Wikipedia

    en.wikipedia.org/wiki/DOS

    The DOS family primarily consists of IBM PC DOS and a rebranded version, Microsoft's MS-DOS, both of which were introduced in 1981. Later compatible systems from other manufacturers include DR-DOS (1988), ROM-DOS (1989), PTS-DOS (1993), and FreeDOS (1994). MS-DOS dominated the IBM PC compatible market between 1981 and 1995.

  4. Timeline of Microsoft - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Microsoft

    This would later become MS-DOS. [2] 1981: August 12: Company: IBM announces the release of the IBM Personal Computer, which becomes the dominant personal computer. As DOS was the only operating system available on the PC when it was introduced in New York City, this paves way to the future domination by the MS-DOS operating system. [3] [4] 1982 ...

  5. Comparison of DOS operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_DOS...

    Originally MS-DOS was designed to be an operating system that could run on any computer with a 8086-family microprocessor.It competed with other operating systems written for such computers, such as CP/M-86 and UCSD Pascal.

  6. MS-DOS - Wikipedia

    en.wikipedia.org/wiki/MS-DOS

    MS-DOS (/ ˌ ɛ m ˌ ɛ s ˈ d ɒ s / em-es-DOSS; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft.

  7. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. For Donald Trump, a choice awaits on tariffs: will he seek ...

    www.aol.com/donald-trump-choice-awaits-tariffs...

    WASHINGTON – President Donald Trump faces a choice ahead of a Feb. 1 target date ... he said companies that make their products in America should have their taxes reduced to 15% from the 21% ...

  9. List of Microsoft operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft...

    Date of release Update version Windows 10: 2015-07-29 RTM (10240) Windows 10 (1511) 2015-11-10 November (1511) Windows 10 (1607) 2016-08-02 Anniversary (1607)