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Millions of Windows XP disks secretly included Microsoft's failed search assistant to keep pirates at bay — "Bob was actually more useful dead than alive"

Before Windows introduced its modern GUI system, Microsoft was well-known for its iconic command-line operating system, MS-DOS (Microsoft Disk Operating System) throughout the 1980s and early 1990s.
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Microsoft MS-DOS 6.22 Operating System - Brand New Installer & Boot Floppy Disks (3.5" 1.44MB)

Special offer Ms-dos Download For Windows 10 Microsoft MS-DOS 6.22 Operating System - Brand New Installer & Boot Floppy Disks ...
InfoQ

Microsoft and IBM Release MS-DOS 4.0’s Source Code under the MIT License

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...