/usr/ is in thin 1.3.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/thin/
/usr/share/doc/thin/changelog.Debian.gz
/usr/share/doc/thin/examples/
/usr/share/doc/thin/examples/myapp.yml
/usr/share/doc/thin/examples/myapp.nginx.conf
/usr/share/doc/thin/README
/usr/share/doc/thin/README.Debian
/usr/share/doc/thin/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/2.0/
/usr/share/rubygems-integration/2.0/specifications/
/usr/share/rubygems-integration/2.0/specifications/thin-1.3.1.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/thin-1.3.1.gemspec
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/thin.1.gz
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/ruby/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.0.0/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.0.0/thin_parser.so
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/thin.rb
/usr/lib/ruby/vendor_ruby/1.9.1/
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/thin_parser.so
/usr/lib/ruby/vendor_ruby/rack/
/usr/lib/ruby/vendor_ruby/rack/adapter/
/usr/lib/ruby/vendor_ruby/rack/adapter/loader.rb
/usr/lib/ruby/vendor_ruby/rack/adapter/rails.rb
/usr/lib/ruby/vendor_ruby/thin/
/usr/lib/ruby/vendor_ruby/thin/stats.rb
/usr/lib/ruby/vendor_ruby/thin/response.rb
/usr/lib/ruby/vendor_ruby/thin/headers.rb
/usr/lib/ruby/vendor_ruby/thin/statuses.rb
/usr/lib/ruby/vendor_ruby/thin/backends/
/usr/lib/ruby/vendor_ruby/thin/backends/base.rb
/usr/lib/ruby/vendor_ruby/thin/backends/swiftiply_client.rb
/usr/lib/ruby/vendor_ruby/thin/backends/tcp_server.rb
/usr/lib/ruby/vendor_ruby/thin/backends/unix_server.rb
/usr/lib/ruby/vendor_ruby/thin/connection.rb
/usr/lib/ruby/vendor_ruby/thin/daemonizing.rb
/usr/lib/ruby/vendor_ruby/thin/controllers/
/usr/lib/ruby/vendor_ruby/thin/controllers/service.sh.erb
/usr/lib/ruby/vendor_ruby/thin/controllers/controller.rb
/usr/lib/ruby/vendor_ruby/thin/controllers/service.rb
/usr/lib/ruby/vendor_ruby/thin/controllers/cluster.rb
/usr/lib/ruby/vendor_ruby/thin/stats.html.erb
/usr/lib/ruby/vendor_ruby/thin/request.rb
/usr/lib/ruby/vendor_ruby/thin/version.rb
/usr/lib/ruby/vendor_ruby/thin/runner.rb
/usr/lib/ruby/vendor_ruby/thin/logging.rb
/usr/lib/ruby/vendor_ruby/thin/server.rb
/usr/lib/ruby/vendor_ruby/thin/command.rb
/usr/bin/
/usr/bin/thin