Due to their size, these These files use the 'bzip2' command rather than 'gzip', to achieve a better compression. Note these files Uncompressing may take a long time to uncompress depending on the capability of your computersystem. To uncompress: bzip2 -d T255_199912_14-25_g8oz.tar.bz2 tar xf T255_199912_14-25_g8oz.tar |