资料来源 : Free On-Line Dictionary of Computing

tgz
     
         (Or less often "taz", Tar
        GNU zip) A {filename extension} for a file or directory which
        has been archived with {tar} and then compressed with {gzip}.
        The full form ".tar.gz" is also common on proper {file
        systems} not limited to {8.3} file names.
     
        (1996-11-03)