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hi
i'm new to linux, so sorry for my simple answer. i'm on ubuntu.
i have this directory:
$ ls -al
total 16
drwxr-xr-x 2 alberto alberto 4096 2011-04-03 16:02 .
drwxr-xr-x 4 alberto alberto 4096 2011-04-03 16:01 ..
-rw-r--r-- 1 alberto alberto 7 2011-04-03 16:02 .hidden
-rw-r--r-- 1 alberto ...