Question: The bitmap requires B bits. The free list requires DF bits. The free list requires fewer bits if DF < B . Alternatively, the free

The bitmap requires B bits. The free list requires DF bits. The free list requires
fewer bits if DF < B. Alternatively, the free list is shorter if F/B <1/D,
where F/B is the fraction of blocks free. For 16-bit disk addresses, the free list
is shorter if 6% or less of the disk is free.

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