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How LILO works
LILO is too big to fit into a single sector, so
the program is divided into two stages:
the first stage loader (< 384 bytes) loads
the second stage loader, which loads
the operating system (or other boot loader).
A 1-block map file describes kernels so that
LILO can find them without using file system
Notes:
LILO is much too big to fit into a single
boot sector, so the program actually
comes in two pieces or `stages'.
The first stage loader, less than 384
bytes long, fits into the boot record and
loads the second stage loader, which
lives in a Linux file system. This in turn
loads an operating system, or (if you
want) another boot loader.