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Tom Duff (Thomas Douglas Selkirk Duff, born December 8, 1952) is a computer programmer. — He was born in Toronto, Ontario, Canada and grew up in Toronto and Leaside. In 1974 he graduated from the University of Waterloo with a B.Math. and, two years later, got a M.Sc. from the University of Toronto.

He worked at the New York Institute of Technology Computer Graphics Lab and the Mark Williams Company in Chicago. Later he was with the Lucasfilm Computer Research and Development Division. While at Bell Labs Computing Science Research Center, he authored the well known " rc" shell for the (Unix-like) Plan 9 operating system. He moved to Pixar Animation Studios in 1996.

He (with others) in 19951995 was a common year starting on Sunday (see link for calendar). It has a Golden number of 1, and was the first year of the International Decade of the World's Indigenous People (1995- 2005): http://www. org/culture/indigenous . Events January events Ja was awarded the " Academy Scientific and Engineering Award " for his work on "Digital Image Compositing". With Bill Reeves he designed the first version of Pixar's " MarionetteA marionette is a type of puppet moved by strings, as in a puppet show. They originated from the medieval times in France and can be found in every country in the world; They can be found in box theatres, curtain theatres and black light theatres. Marione" 3-D animation system, which in 19971997 was a common year starting on Wednesday (see link for calendar), and was designated the International Year of the Reef''. Events January January 3 NBC's Today Show Bryant Gumbel signs off for the last time January 8 Mister Rogers receives a star on t won the same award.

While working in Lucasfilm, he create Duff's deviceIn computer science, Duff's device is an optimised implementation of a serial copy, called loop unrolling. It is perhaps the most dramatic use yet seen of fall through in the C programming language, and was invented by Tom Duff when he was at Lucasfilm. - a loop-unrolling mechanism in CThe C Programming Language Brian Kernighan and Dennis Ritchie, the original edition that served for many years as an informal specification of the language The C programming language is a low-level standardized programming language developed in the early.

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