/usr/ is in ruby-inline 3.12.4-1.
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/inline.rb
/usr/lib/ruby/vendor_ruby/inline_method_name_mapping.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-inline/
/usr/share/doc/ruby-inline/README.Debian
/usr/share/doc/ruby-inline/README.txt.gz
/usr/share/doc/ruby-inline/changelog.Debian.gz
/usr/share/doc/ruby-inline/changelog.gz
/usr/share/doc/ruby-inline/copyright
/usr/share/doc/ruby-inline/examples/
/usr/share/doc/ruby-inline/examples/demo/
/usr/share/doc/ruby-inline/examples/demo/fastmath.rb
/usr/share/doc/ruby-inline/examples/demo/hello.rb
/usr/share/doc/ruby-inline/examples/example.rb
/usr/share/doc/ruby-inline/examples/example2.rb
/usr/share/doc/ruby-inline/examples/helloworld_example.rb
/usr/share/doc/ruby-inline/examples/tutorial/
/usr/share/doc/ruby-inline/examples/tutorial/example1.rb
/usr/share/doc/ruby-inline/examples/tutorial/example2.rb
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/RubyInline-3.12.4.gemspec