OT: Largest Commercial Software.

A.C.N.S. Billing Department billing at acns-online.com
Thu Dec 14 03:03:15 PST 2000


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        What's the largest commercial software ever written?

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If the size of a software product is measured by the number of lines
of computer language (source code) required to make it, then the
current winner is Microsoft Windows 2000.  A complete printout of its
29 million lines of source code would form a stack of pages 193 feet
high (59 meters), about as tall as a 19-story building.

Windows 2000 is so large because it includes many components.  In
addition to basic operating system functions, it contains an Internet
browser, transaction processing modules for instant data updates over
the network, and dozens of special drivers (modules to run specific
devices or decode specific data formats).

Creating such a huge software product is no small challenge.  More
than 4,000 people worked together for several years, exchanging an
average of 90,000 email messages every day.  Writing the code itself
was only a small part of the task; testing and debugging consumed
more than 90% of the effort.

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