/usr/ is in erlang-webtool 1:14.b.4-dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/
/usr/lib/erlang/lib/webtool-0.8.9/ebin/
/usr/lib/
/usr/lib/erlang/
/usr/lib/erlang/lib/
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/usr/share/man/
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/usr/lib/erlang/lib/webtool-0.8.9/ebin/webtool.appup
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/usr/lib/erlang/lib/webtool-0.8.9/ebin/webtool_sup.beam
/usr/lib/erlang/lib/webtool-0.8.9/priv/
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/usr/lib/erlang/lib/webtool-0.8.9/priv/bin/start_webtool
/usr/lib/erlang/lib/webtool-0.8.9/priv/root/
/usr/lib/erlang/lib/webtool-0.8.9/priv/root/conf/
/usr/lib/erlang/lib/webtool-0.8.9/priv/root/conf/mime.types
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/usr/share/
/usr/share/doc/
/usr/share/doc/erlang-webtool/
/usr/share/doc/erlang-webtool/copyright
/usr/share/man/man1/start_webtool.1.gz
/usr/bin/
/usr/share/doc/erlang-webtool/README.Debian
/usr/share/doc/erlang-webtool/TODO.Debian
/usr/share/doc/erlang-webtool/AUTHORS.gz
/usr/share/doc/erlang-webtool/changelog.Debian.gz
/usr/bin/start_webtool