Personal Computer Museum, Canada's Videogame Museum

ITT DOS 2.11

ITT DOS 2.11
ITT DOS 2.11

Floppy (5.25")1



Release Date: 1/1/1984
Manufacturer: ITT
This is a version of MS-DOS branded for the ITT XTRA personal computer.

This version added support for 10 MB hard disk drives and tree-structure filing system.

During its life, several competing products were released for the x86 platform, and MS-DOS itself would go through eight versions, until development ceased in 2000. Ultimately it was the key product in Microsoft's growth from a programming languages company to a diverse software development firm, providing the company with essential revenue and marketing resources. It was also the underlying basic operating system on which early versions of Windows ran as a GUI.

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