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Why is [find] running incredible fast, if run twice?

In the Dash of my Ubuntu/Linux system are two versions of the same program.To find where the corresponding .desktop files are located I usedfind / -type f -name 'Sublime Text.desktop' 2> /dev/nullI...

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Answer by bennofs for Why is [find] running incredible fast, if run twice?

The reason that find is faster on the second time is that linux does file caching. Whenever a file is accessed the first time, it keeps the contents of the file in memory (of course it only does that...

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