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This question already has an answer here:

When I ls -la, one of my folders has the following notation

drwxr-xr-x@ 28

what does @ stand for?

For the record, I am using OSX.

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marked as duplicate by Daniel Beck Aug 13 '13 at 20:36

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

It means that the folder or file has extended attributes. use

xattr -l <filename>

to see them.

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If the file or directory has extended attributes, the permissions field printed by the -l option is followed by a '@' character.

Reference to apple dev site for LS

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