[ubuntu] View tree in Ubuntu 11.10

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http://ubuntuforums.org – Hello folks, I'am using ubuntu 11.10(CLI) and I need to get an overview of the directories in my system. Example /usr: rights = 775 owner = root But I need it for every directory/file and doing this one by one will take me ages. Is there anything I can download from apt-get to simplify this process?? Many thanks. (Hardware)