A WikiForum for exploring/documenting the Linux kernel invites you
at http://kernelbook.sourceforge.net/wiki/?KernelWiki.
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The Kernelbook project is no longer active and is preserved for research purposes only.

''Mmm, my first thought was that a KernelWiki was a Wiki implemented directly in the Linux kernel. Go away, evil thought...''

''Well, OpenBsd has a HangmanGame build into its KernelDebugger, where you try to guess global symbols. In old versions `h' meant hangman, not help. This has been changed in 2.2 though.''