Discovering all open files/dirs underneath a directory

lsof +D <dirname>
It may be helpful in case you need to umount a directory and some process is preventing you to do so keeping the folder busy. The lsof may process the +D option slowly and may require a significant amount of memory because it will descend the full dir tree. On the other hand it will neither follow symlinks nor other file systems.

13
By: ztank1013
2011-09-18 00:01:25

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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