This file describes what to do with the .bz2 files you see elsewhere on this site ( .bz2 files are created by bzip2, a file compressor written by Julian Seward. bzip2 is a freely available (GPL'd) data compressor, with a user interface similar to that of GNU gzip. For further details, the bzip2 home page is at: The bzip2 software is available at: bzip2 is no longer maintained at; however, we have a mirror of it at: