Reference

buildtorrent(1) on Linux

The text 25c9a1e3f39b, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.

a torrent file creation program.

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buildtorrent(1) on Linux now