# File lib/simp/cli/config/items/data/simp_options_dns_servers.rb, line 28
    def os_value
      # TODO: make this a custom fact?
      File.readlines( @file ).select{ |x| x =~ /^nameserver\s+/ }.map{ |x| x.gsub( /nameserver\s+(.*)\s*/, '\\1' ) }
    end