BitTorrent is a peer-to-peer file sharing protocol used for distributing large amounts of data. A torrent file is a small text like file that contains some infromation. It could be4 opened by aprogram called BitTorrent client. It then download the file from multiple servers.
Illegal Uses Edit
Most of the Bitorrent filesharing and downloads are illegal. A torrent file by itself may not contain copyrighted data. But it could be used to download copyrighted data. Many BitTorrent sharing sites have popped up. The most infamous of them is The Pirate Bay. Google could also be used as a BitTorrent tracker. A Google search for the filetype .torrent almost gives the same results as a Pirate Bay search.