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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.
The original PC Tools package was first developed as a suite of utilities for DOS, released for retail in 1985 for $39.95. [1]With the introduction of version 4.0, the name was changed to PC Tools Deluxe, and the primary interface became a colorful graphical shell (previously the shell resembled PC BOSS and was monochrome.)
In September 1987, a version of multi-tasking MS-DOS 4.1 was reported to be developed for the ICL DRS Professional Workstation (PWS). [4] This ICL/MS MS-DOS 4.10.20 version was released on October 28, 1987. A further ICL/MS MS-DOS 4.10.30 version was released on May 10, 1988. No further releases were made once the contracts had been fulfilled.
This is the first MS-DOS version Microsoft offered in a shrink wrap packaged product for smaller OEMs or system builders. [264] Apricot Computers pre-announces MS-DOS 4.0, the first multitasking version. Apricot will sell MS-DOS 4.0 to European customers as the controlling program for network servers that support a new family of Apricot ...
MS-DOS version 1.0 added a more advanced relocatable .EXE executable file format. Most of the machines in the early days of MS-DOS had differing system architectures and there was a certain degree of incompatibility, and subsequently vendor lock-in. Users who began using MS-DOS with their machines were compelled to continue using the version ...
Simtel (sometimes called Simtelnet, originally SIMTEL20) was an important long-running archive of freeware and shareware for various operating systems. The Simtel archive had significant ties to the history of several operating systems: it was in turn a major repository for CP/M , MS-DOS , Microsoft Windows and FreeBSD .
Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.. An evolution of the older Concurrent CP/M-86, Concurrent DOS and Concurrent DOS 386 operating systems, it was originally developed by Digital Research and acquired and further developed by Novell in 1991.
Microsoft Bookshelf is a discontinued reference collection introduced in 1987 as part of Microsoft's extensive work in promoting CD-ROM technology as a distribution medium for electronic publishing. The original MS-DOS version showcased the massive storage capacity of CD-ROM technology, and was accessed while the user was using one of 13 ...