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Grand Unified Boot Loadersearch for term

The GRand Unified Bootloader is a multiboot boot loader which is most commonly used to allow dual-booting of two or more operating systems installed on a single computer.In technical terms, a multiboot boot loader is one which can load any executable file with a multiboot header present in the first 8 KB of the file. Such a header consists of 32 bits of "magic" number, 32 bits of flags, a further 32 bits of magic number, followed by data about the executable image.While traditional boot loaders maintain a table of blocks on the hard disk, GRUB can browse the file system.

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