Info: (grub) General boot methods

grub: General boot methods

 
 5.1 How to boot operating systems
 =================================
 
 GRUB has two distinct boot methods.  One of the two is to load an
 operating system directly, and the other is to chain-load another boot
 loader which then will load an operating system actually.  Generally
 speaking, the former is more desirable, because you don't need to
 install or maintain other boot loaders and GRUB is flexible enough to
 load an operating system from an arbitrary disk/partition.  However, the
 latter is sometimes required, since GRUB doesn't support all the
 existing operating systems natively.

grub: General boot methods

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