This is a common way to get started with multiple operating systems on one computer. Since all RAM is used by only one OS at a time, speed is maximized. However, for those with the requisite technical knowledge, dual-boot systems require little or no added software (beyond installation disks for the OSes themselves), and no added system memory (RAM). Detailed knowledge is required to configure such a system correctly. Only one operating system may be accessed at one time. During the boot sequence, a list of available operating systems is presented to the user by software called a "boot loader." This method is fairly complicated to set up and cumbersome when switching between operating systems. With a dual-boot setup, the computer must be rebooted to switch from one OS to another. ![]() ![]() There are two basic strategies available for installing multiple operating systems on a single computer:ĭual (or multiple) boot: In this case, we divide the computer's hard drive into multiple "partitions," then install different operating systems in each partition. ![]() Note that new Apple computers built around ARM technology have recently introduced a change in regards to this ability - see below for that update. Windows, macOS, and Linux (or multiple copies of each) can happily coexist on one physical computer. Most computers can be configured to run more than one operating system.
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