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Date Version Primary developer Notable introduction IBM hardware August 1980: 86-DOS 0.10 Tim Paterson: First Seattle Computer release August 1981: PC DOS 1.0 Microsoft: First IBM release IBM Personal Computer: May 1982: PC DOS 1.1 Microsoft: Double-sided disks: Upgraded IBM Personal Computer: March 1983: PC DOS 2.0 Microsoft: Hard disk drive ...
Name First public release date Creator Owner or maintainer as of 2021 License 86-DOS 0.42: 1981-02-25 Seattle Computer Products: Support ended Proprietary
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.
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.
RT-11 5.7 (Last stable release, October 1998) Solaris 7 (first 64-bit Solaris release – names from this point drop "2.", otherwise would've been Solaris 2.7) Windows 98; 1999 AROS (Boot for the first time in Stand Alone version) Inferno Second Edition (Last distribution (Release 2.3, c. July 1999) from Lucent's Inferno Business Unit) [47] Mac ...
The version included with PC DOS 3.0 and 3.1 is hard-coded to transfer the operating system from A: to B:, while from PC DOS 3.2 onward you can specify the source and destination, and can be used to install DOS to the harddisk. The version included with MS-DOS 4 and PC DOS 4 is no longer a simple command-line utility, but a full-fledged installer.
Peter Norton published the first version for DOS, The Norton Utilities, Release 1, in 1982. Release 2 came out about a year later, subsequent to the first hard drives for the IBM PC line. Peter Norton's company was sold to Symantec (now known as Gen Digital) in 1990 and Peter Norton himself no longer has any connection to the brand or company.
Though MS-DOS 7.0 and Windows 4.0 could be readily segregated and marketed as different products, Microsoft stopped marketing Windows and MS-DOS separately with the release of Windows 95. [15] A major difference from earlier versions of MS-DOS is the usage of the MSDOS.SYS file. [16] In MS-DOS 7, this is not a binary file, but a