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I know that in recent file systems as EXT the i-node contains the actual size of the file. So if I want to know the size of a file I just need to read the meta-data.

How is this done in the FAT system (since there aren't i-nodes)? Do the OS need to go through all the blocks that contains the file and sum the size of each one?

Cody Gray - on strike
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Daniel Oliveira
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1 Answers1

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If we look at the layout, we can see that each entry in the table has a Starting Cluster and File Size in Bytes.

FAT32's Records contain the same data.