Building your own operating system (Courtesy of Ravi C.)

A slashdot question asking the same thing http://ask.slashdot.org/article.pl?sid=04/02/05/0020223&mode=nested&tid=126&tid=156&tid=185&tid=190  An ACM series on OS Development http://www.acm.uiuc.edu/sigops/roll_your_own/  "Developing your own 32-bit OS" - originally a book, but now in the public domain and downloadable from http://www.ipdatacorp.com/mmurtl.html