Reference
http://www.ubuntu.com—The place to start when looking for news, information, and documentation about installing, configuring, and using Ubuntu.
http://tinyurl.com/c2x5u—Symantec's PartitionMagic utility includes BootMagic, which can be used to support booting of Linux or, regrettably, other less-capable operating systems, such as Windows XP.
http://www.v-com.com/product/System_Commander_Home.html—V Communications, Inc.'s System Commander, a commercial 4.2MB download that can be used to support booting of any operating system capable of running on today's PCs. An intelligent partitioning utility, Partition Commander, is included.
http://www.nwc.com/columnists/1101colron.html—How to use Intel's Pre-execution Environment (PXE) protocol to remote boot workstations.
http://www.gnu.org/software/grub/—Home page for the GRUB boot loader.
http://www.ibiblio.org/pub/Linux/docs/HOWTO/other-formats/html_single/BootPrompt-HOWTO.html—The BootPrompt-HOWTO, a guide to using the boot prompt for passing kernel arguments.
http://www.tldp.org/HOWTO/Installation-HOWTO/index.html—The Linux Installation-HOWTO, a guide to installing Linux, by Eric S. Raymond.