Contiguous
we only store at what block number and its length
great for sequential and random

Explanation:
- a disk is divided into 31 blocks
countfile starts from block 0 and its length is 2 so it occupies block 0 and block 1
we only store at what block number and its length
great for sequential and random

Explanation:
count file starts from block 0 and its length is 2 so it occupies block 0 and block 1