Does the "find" command cache file system info?

John Hupp lubuntu at
Sat Sep 15 23:35:54 UTC 2012

Josh Smith from the Ubuntu mail list responded: "Find doesn't cache per 
se but the file system does."

On 9/15/2012 6:27 PM, John Hupp wrote:
> I'm curious about this observation: If I do a find search on the root 
> directory, it ordinarily takes a minute or two -- as one would expect 
> if it were examining everything afresh.
> But if I follow that up with a different find search on the root, it 
> finishes in a few seconds.
> Does find cache file system information and reuse it under certain 
> conditions?  Or does Linux itself cache some sort of information from 
> an initial search that a subsequent search benefits from?

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