This is the CDF V2.1 online software distribution directory for UNIX
systems.  This directory contains the following files...

   README.doc          How to extract/build the CDF V2.1 distribution.
   CHANGES.doc         A history of the changes to the CDF V2.1 software
                       distribution.
   cdf21-dist.tar.Z    The CDF V2.1 software distribution in a
                       `tar' file which has been compressed using
                       the `compress' utility.