unix - What does the @ in ls -al mean?

Possible Duplicate:
ls -la symbolics… what does that last symbol mean?

What does the @ in the below execution of ls -al mean?

atom:Lib fak$ ls -al
total 1056
drwxr-xr-x  5 fak  staff     170 Dec 24 13:19 .
drwxr-xr-x  6 fak  staff     204 Dec 24 13:15 ..
-rwxr-xr-x@ 1 fak  staff  121393 Oct  3 14:05 HtmlAgilityPack.XML
-rwxr-xr-x@ 1 fak  staff  101376 Oct  3 14:05 HtmlAgilityPack.dll
-rwxr-xr-x  1 fak  staff  315392 Dec 24 13:19 MySql.Data.dll

Answer

That indicates extended attributes are applied to the file. You can use xattr to modify/view those attributes.

See: ls -la symbolics... what does that last symbol mean?