rc/mime/sharing

   1 .bundle application/x-git-bundle
   2 .iso    application/x-iso9660-image
   3 .meta4  application/metalink4+xml       c
   4 .metalink       application/metalink+xml        c
   5 .pcap   application/vnd.tcpdump.pcap
   6 .torrent        application/x-bittorrent