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The History of DR DOS
The last of Digital Research
With the transition to sixteen bit microprocessors over the first years of the 1980s, Kathryn Strutynski led the DRI effort to port CP/M to these new hardware platforms and make it a more robust and more capable operating system. While being a good product certainly helped Digital Research see some early sales success, this release was certainly aided by the fact that neither IBM nor Microsoft sold DOS at retail at that time. In the interval between Lineo going bust and DRDOS Inc starting business, Udo Kuhnt picked up the open-sourced bits of DR DOS 7 and began working on Enhanced DR-DOS 7.01.01.
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