IBM PC DOS (an acronym for IBM Personal Computer Disk Operating System), [nb 1] also known as PC DOS or IBM DOS, is a discontinued disk operating system for the IBM Personal Computer, its successors, and IBM PC compatibles.

DOS (/ d ɒ s /, / d ɔː s /) is a family of disk-based operating systems for IBM PC compatible computers. [1] The DOS family primarily consists of IBM PC DOS and a rebranded version, Microsoft's MS-DOS, both of which were introduced in 1981.

IBM PC-DOS was an IBM branded version of MS-DOS licensed from Microsoft for use on the IBM PC system. Versions of PC-DOS paralleled that of MS-DOS up until version 6.1, where PC-DOS was independently maintained by IBM up until 7.1, the last version.

Disk Operating System/360, also DOS/360, or simply DOS, is the discontinued first member of a sequence of operating systems for IBM System/360, System/370 and later mainframes. It was announced by IBM on the last day of 1964, and it was first delivered in June 1966. [1] In its time, DOS/360 was the most widely used operating system in the world ...

Apr 30, 2017 · Please download files in this item to interact with them on your computer.

Aug 12, 2021 · Gates, Steve Ballmer, and Microsoft's Bob O'Rear met with IBM in Boca Raton and agreed that Microsoft would coordinate the software development process for the PC.

Apr 30, 2017 · IBM PC-DOS 2000 by IBM. Topics IBM, PC-DOS, PC, DOS Collection opensource_media Language English Item Size 25.6M . IBM PC-DOS 2000 Addeddate 2017-04-30 17:17:55 Identifier IBMPC-DOS2000 Identifier-ark ark:/13960/t6wx2rd9d Scanner Internet Archive HTML5 Uploader 1.6.3 . comment. Reviews ...

Feb 27, 2023 · If you need a DOS for your retro PC, IBM PC DOS 2000 is an underrated choice. Think of it like an MS-DOS 6.22 with a lower memory footprint. Microsoft and IBM had a complicated relationship throughout the 1980s and 1990s.

Also known as Advanced BASIC, this program requires an IBM PC with Cassette BASIC and at least 48Kb of RAM. It includes all Disk BASIC features, along with event trapping, advanced graphics, and advanced music support.

IBM PC-DOS was an IBM branded version of MS-DOS licensed from Microsoft for use on the IBM PC system. Versions of PC-DOS paralleled that of MS-DOS up until version 6.1, where PC-DOS was independently maintained by IBM up until 7.1, the last version.