/usr/ is in ruby-jquery-rails 4.2.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/jquery/
/usr/lib/ruby/vendor_ruby/jquery/assert_select.rb
/usr/lib/ruby/vendor_ruby/jquery/rails/
/usr/lib/ruby/vendor_ruby/jquery/rails/engine.rb
/usr/lib/ruby/vendor_ruby/jquery/rails/version.rb
/usr/lib/ruby/vendor_ruby/jquery/rails.rb
/usr/lib/ruby/vendor_ruby/jquery-rails.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-jquery-rails/
/usr/share/doc/ruby-jquery-rails/README.md
/usr/share/doc/ruby-jquery-rails/changelog.Debian.gz
/usr/share/doc/ruby-jquery-rails/changelog.gz
/usr/share/doc/ruby-jquery-rails/copyright
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/ruby-jquery-rails
/usr/share/ruby-jquery-rails/
/usr/share/ruby-jquery-rails/vendor/
/usr/share/ruby-jquery-rails/vendor/assets/
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery.js
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery.min.js
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery.min.map
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery2.js
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery2.min.js
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery2.min.map
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery_ujs.js
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/jquery-rails-4.2.1.gemspec
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery3.js
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery3.min.js
/usr/share/ruby-jquery-rails/vendor/assets/javascripts/jquery3.min.map