He is best known as the author of MINIX, a free Unix-like operating system for teaching purposes, and for his computer science textbooks, regarded as standard texts in the field. He regards his teaching job as his most important work. Since 2004 he has operated Electoral-vote.com, a website dedicated to analysis of polling data in federal elections in the United States.
"Prof. Andy Tanenbaum is finally retiring. He has been at the Vrije Universiteit for 43 years, but everything must eventually end." — - http://www.cs.vu.nl/~ast/afsch..."
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