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An overview of linux kernel file systems, discussing general file systems, disk structure and block management, and allocation methods. It covers concepts such as meta data and user data, seek time, rotational latency, and data transmission time. The document also explains the differences between memory management and file systems and introduces various file system allocation methods like contiguous allocation, block chain, index block, and fat.
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Meta data User data. (1) Meta data:. (2) Users data:.
(1) (seek time): (2) (rotational latency): (3) (transmission time): .
. lseek() . .