šŸ“ Operating_Systems

The road to MS-DOS 2

BLOG ARTICLE Published on August 18, 2026

Written by Thom Holwerda

Source: OSnews 1 min read intermediate

Summary

A great and concise history of the run-up to MS-DOS 2.0. Yet, there was a nagging feeling that a single-tasking CP/M clone was inadequate for the new generation of personal computers. Digital Research released multi-user, multitasking MP/M-86 in September 1981 and announced the single‑user multitasking Concurrent CP/M in early 1982. In response, Microsoft came up with a plan for tiered approach to its operating systems: single-user/single-tasking MS-DOS at the bottom; multi-user/multitasking ...

#legacy oses
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