# File lib/hammer_cli_csv/operating_systems.rb, line 51
      def import
        @existing = {}
        @api.resource(:operatingsystems).call(:index, {:per_page => 999999})['results'].each do |operatingsystem|
          @existing[build_os_name(operatingsystem['name'], operatingsystem['major'], operatingsystem['minor'])] = operatingsystem['id'] if operatingsystem
        end

        thread_import do |line|
          create_operatingsystems_from_csv(line)
        end
      end