The SYSLINUX family of boot loaders are used on the IFL boot disk as follows:
ISOLINUX - to the boot the CD/DVD
SYSLINUX - to boot the CD/DVD restore discs
EXTLINUX - to boot from hard drive partition (or USB drive)
PXELINUX - network boot

Source: http://ftp.kernel.org/pub/linux/utils/boot/syslinux/

Upstream Author: H. Peter Anvin <hpa@zytor.com>

License:

	Copyright (C) 1994-2006 H. Peter Anvin <hpa@zytor.com>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

A copy of the GNU General Public License can be found in the file GPL.TXT in
the parent directory.
