Ian F DarwinIan Darwin has worked in the computer industry for three decades: with Unix since 1980, Java since 1995, and OpenBSD since 1998. He wrote the freeware file(1) command used on Linux and BSD and is the author of "Checking C Programs" with "Lint and Jav Cookbook" (both O'Reilly), as well as over 70 articles, in addition to university and commercial course material on C and Unix. Besides programming and consulting, Ian teaches Unix, C, and Java for Learning Tree International, one of the world's largest technical training companies. Read More Read Less