CHANGES Summary of Changes from Zoo version 1.71 to version 2.0. - Compression and decompression have been speed up. - New modifiers to the list commands permit several new output formats. - A comment may now be attached to the archive itself. - Extracted files will not overwrite newer existing files unless specifically requested. - Multiple generations of the same file are supported. - Zoo will now act as a pure compression or uncompression filter on a single input data stream. - The ability of Zoo to recover data from damaged archives is greatly improved.