Master Foo is the beloved master of Unix. He defines the essence of unix-style programming, emphasizing efficient code writing, anti-script kiddie sentiment, the presence of command line utilities in unix enviornments, and the natural flow of programming in C or Unix. His legendary teachings can be found in "The Unix Koans of Master Foo".
Master Foo can only be found by those who seek to learn the true Unix nature.
He has been rumored to regularly challenge Bill Gates to deadly programming duels, although Mr. Gates has yet to accept
Thus spake Master Foo to the student:
``When you have learned to snatch the error code from the trap frame, it will be time for you to leave.''