/usr/ is in ruby-highline 1.6.20-1.
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/highline/
/usr/lib/ruby/vendor_ruby/highline/system_extensions.rb
/usr/lib/ruby/vendor_ruby/highline/color_scheme.rb
/usr/lib/ruby/vendor_ruby/highline/compatibility.rb
/usr/lib/ruby/vendor_ruby/highline/string_extensions.rb
/usr/lib/ruby/vendor_ruby/highline/simulate.rb
/usr/lib/ruby/vendor_ruby/highline/import.rb
/usr/lib/ruby/vendor_ruby/highline/menu.rb
/usr/lib/ruby/vendor_ruby/highline/style.rb
/usr/lib/ruby/vendor_ruby/highline/question.rb
/usr/lib/ruby/vendor_ruby/highline.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-highline/
/usr/share/doc/ruby-highline/changelog.Debian.gz
/usr/share/doc/ruby-highline/copyright
/usr/share/doc/ruby-highline/README.rdoc
/usr/share/doc/ruby-highline/examples/
/usr/share/doc/ruby-highline/examples/using_readline.rb
/usr/share/doc/ruby-highline/examples/repeat_entry.rb
/usr/share/doc/ruby-highline/examples/get_character.rb
/usr/share/doc/ruby-highline/examples/color_scheme.rb
/usr/share/doc/ruby-highline/examples/limit.rb
/usr/share/doc/ruby-highline/examples/menus.rb
/usr/share/doc/ruby-highline/examples/trapping_eof.rb
/usr/share/doc/ruby-highline/examples/overwrite.rb
/usr/share/doc/ruby-highline/examples/password.rb
/usr/share/doc/ruby-highline/examples/ansi_colors.rb
/usr/share/doc/ruby-highline/examples/asking_for_arrays.rb
/usr/share/doc/ruby-highline/examples/page_and_wrap.rb
/usr/share/doc/ruby-highline/examples/basic_usage.rb
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/highline-1.6.20.gemspec
/usr/share/rubygems-integration/2.0/
/usr/share/rubygems-integration/2.0/specifications/
/usr/share/rubygems-integration/2.0/specifications/highline-1.6.20.gemspec