Linked by M-Saunders on Fri 30th Sep 2011 19:32 UTC
Looking to write your own operating system? MikeOS, an open source teaching project with detailed documentation, has just reached a new release. Version 4.2 includes new programs (a memory editor, calculator, and ASCII art designer), file management in the CLI, and improvements to the text editor. If you want to start completely from scratch, try this guide first.