    # File lib/stella/utils.rb, line 334
        def write_to_file(filename, content, mode, chmod=0600)
          mode = (mode == :append) ? 'a' : 'w'
          f = File.open(filename,mode)
          f.puts content
          f.close
          return unless Stella.sysinfo.os == :unix
          raise "Provided chmod is not a Fixnum (#{chmod})" unless chmod.is_a?(Fixnum)
          File.chmod(chmod, filename)
        end