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Possible Duplicate:
No effect of umask and chmod on mounted drives

I am not able to change file permissions using chmod from the user who owns the file as well as from root. I am using Ubuntu 12.04.

The directory is located on my windows partition, but I have never had the same problem earlier.

Any hints?

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marked as duplicate by Michael Mrozek Jan 14 '13 at 19:57

This question was marked as an exact duplicate of an existing question.

What is the approach you're using that is not working for you? – Bernhard Oct 15 '12 at 15:44
Can you give us (a lot) more info describing your problem? FileSystem of the partition, ls -l on the file, the error message you get, both from user and from root, ... – rahmu Oct 16 '12 at 9:26
Possible duplicate No effect of umask and chmod on mounted drives. – mtk Jan 14 '13 at 19:02

If the directory is located on your Windows partition, it means the partition is in NTFS. NTFS does not support permissions and thus chown/chmod won't work for files and directories in that partition. Actually I'd be surprised if you said it ever worked before.

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