I have the file pippo.tar.gz in /windoze that is a vfat ts.cd /windozetar xzf pippo.tar.gzresult a fs error with some warining.Then pippo.tar.gz is a directory.I umount /windoze and after another error pippo.tar.gz return a file.pippo.tar.gz was composed bypippo/pippo/......pippo/xxx/....Andreas Arcangeli