From: utzoo!decvax!cca!hplabs!hao!menlo70!sytek!olmstead@sri-unix
Newsgroups: net.trivia
Title: Why 407?
Article-I.D.: sytek.218
Posted: Mon Nov  8 13:35:10 1982
Received: Wed Nov 10 06:58:12 1982

I don't recall seeing this one here before, though maybe it should be
sent to net.unix-wizards instead:
	How many of you know why plain executable unix files have a "magic
	number" of octal 407?