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The GRUB Boot Loader

When a computer running Linux is turned on, the operating system is loaded into memory by a special program called a boot loader. A boot loader usually exists on the system's primary hard drive (or other media device) and has the sole responsibility of loading the Linux kernel with its required files or (in some cases) other operating systems into memory.

E.1. Boot Loaders and System Architecture

Each architecture capable of running Fedora uses a different boot loader. The following table lists the boot loaders available for each architecture:
Table E.1. Boot Loaders by Architecture
Architecture Boot Loaders
AMD® AMD64 GRUB
IBM® eServerSystem p yaboot
IBM® System z® z/IPL
x86 GRUB

This appendix discusses commands and configuration options for the GRUB boot loader included with Fedora for the x86 architecture.