Also called a multiboot, an operating system configuration that enables the user to boot the computer system from one of two different operating systems that are both installed on the same hard drive. The operating system that is loaded is given control, typically through a boot management program that will override the original MBR and load instead of an operating system.
Configuring a Dual-Boot System How to install Red Hat Linux on a computer that currently runs another operating system and create a dual boot system.
How to Dual-Boot Windows 9X/Me and 2000 Pro A step-by-step procedure for installing both Windows 9X/Me and Windows 2000 Pro on the same hard disk drive so that either operating system can be selected from a menu when the computer first starts.
Windows/Linux Dual Boot This 1998 article explains how to configure a PC to dual boot in Windows and Linux.