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On linux, is there a way to count the number of file descriptors open to a some file?

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2 Answers 2

up vote 3 down vote accepted

The lsof command will tell you all the open files and what program has them open.

lsof filename

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No need for grep: lsof filename –  Dennis Williamson Apr 9 '10 at 19:59

Also:

fuser -v filename
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