The loading of operating system code from a disk
code from a disk or other storage device into a computer’s
memory. Bootstrapping is so-called because it typically
occurs in steps, starting with a very simple program
to read a sequence of blocks from a fixed location
on a pre-determined disk into a fixed memory location.
The data thus read is the code for the next stage
of bootstrapping, it typically causes an operating
system to be read into memory, which then begins to
execute.
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