This is the CDF V2.5 online software distribution directory for UNIX systems. This directory contains the following files... README.unix How to extract/build the CDF V2.5 distribution. CHANGES.doc A history of the changes to the CDF V2.5 software distribution. cdf25-dist.tar The CDF V2.5 software distribution in a `tar' file. cdf25-dist.tar.Z The CDF V2.5 software distribution in a `tar' file which has been compressed using the `compress' utility. cdf25-dist.tar.gz The CDF V2.5 software distribution in a `tar' file which has been compressed using the Gnu `gzip' utility.