# File lib/unix/sys/filesystem.rb, line 309
      def initialize
        @path             = nil
        @block_size       = nil
        @fragment_size    = nil
        @blocks           = nil
        @blocks_free      = nil
        @blocks_available = nil
        @files            = nil
        @files_free       = nil
        @files_available  = nil
        @filesystem_id    = nil
        @flags            = nil
        @name_max         = nil
        @base_type        = nil
      end