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Cairo (operating System)




Cairo used Distributed Computing concepts to make information available instantly and seamlessly across a worldwide network of computers.

Cairo was announced at the 1991 Microsoft Professional Developers Conference by Jim Allchin . It was demonstrated publicly (including a demo system for all attendees to use) at the 1993 Cairo/Win95 PDC. Microsoft changed stance on Cairo several times, sometimes calling it a product, other times referring to it as a collection of technologies.

At its peak, Cairo was one of the largest groups at Microsoft and employed a majority of the company's senior engineering and design talent.


PROMISES

Components announced in 1991 were:


PROGRESS

Despite its near-mythical status in the computer industry, all of the Cairo technologies are now available except one.

RPC shipped in Windows NT 3.1. The User Interface shipped (in stripped-down form) in Windows 95 . X.500 shipped as part of Active Directory in Windows 2000 . X.400 shipped as part of Microsoft Exchange Server . Content Indexing is now a part of Internet Information Server and MSN Search .

The remaining component is the object file system, now called WinFS . It was originally planned as part of Windows Vista but has currently been removed. Microsoft says it is going to be added back in as a product update and has made a beta release of the technology available to MSDN subscribers.


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