The GZip (GNU zip) is a compression utility with excellent compression,
free from patented algorithms and currently very popular on the Internet.
GZip is not archiving utility, i.e. its can't roll up several files together.
It simply compress the specified file.
The format of the .gz files generated by gzip and their compression alogrithm
(deflate) is described in RFCs (Request For Comments) 1951 and 1952. More
information about gzip, you can find on it homepage at gzip.org.
The GZip is command line driven utility, but there is several utilities that
support the gzip files. For example, our free WinGZip utility.