    # File lib/phusion_passenger/platform_info.rb, line 148
            def self.find_command(name)
                    name = name.to_s
                    ENV['PATH'].to_s.split(File::PATH_SEPARATOR).detect do |directory|
                            path = File.join(directory, name)
                            if File.file?(path) && File.executable?(path)
                                    return path
                            end
                    end
                    return nil
            end