The New York Times > Technology > I.B.M. Updates Old Workhorse to Use Linux "I.B.M. has just completed a three-year, $100 million overhaul of the software engine behind the world's airline, hotel and rental car reservations systems, and credit card systems like Visa and American Express.
The company plans to announce the retooling of the little-known program, an aging workhorse of mainframe computing, this week. Its goal, executives said, was to rejuvenate what it considered a strategic product - T.P.F., for transaction processing facility - with the help of the Linux operating system."
Linus Torvalds hadn't been born yet, when TPF was at its peak in popularity.
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