GNUZIP, Utilities, gzip 1.2.4 file compression and Decompression This package contains the GNU Zip software tool, and this tool is used to compress or decompress files; if you have files with a GZ in the file extension, these are probably files that have been packaged and compressed with GNU Zip. For additional details and for usage information, please see the provided documentation, starting with the file named README. This package contains versions of gzip and gunzip built for OpenVMS Alpha and for OpenVMS I64.