For more information on the Linux kernel, refer to the following resources.
/usr/src/linux-2.4/Documentation — Advanced documentation on the Linux kernel and its modules. These documents are written for people interested in contributing to the kernel source code and understanding how the kernel works.
http://www.redhat.com/mirrors/LDP/HOWTO/Kernel-HOWTO.html — The Linux Kernel HOWTO from the Linux Documentation Project.
http://www.kernel.org/pub/linux/docs/lkml/ — The linux-kernel mailing list.