pgp23A.zip This is the MS-DOS executable release, which includes the executable, support files, and basic documentation. pgp23srcA.zip This is a source code release, which includes all the source code needed to compile PGP and examples of usage. This contains everything in pgp23A.zip except that the manual is not paginated and it does not contain an executable nor an associated signature. pgp23A.tar.Z This contains exactly the same files as pgp23srcA.zip, except that they use Unix rather than MS-DOS line end conventions. pgp23docA.zip This is the documentation for PGP only. This can be freely exported and is useful to tell people what PGP does. pgp23sigA.asc PGP signatures for the preceeding four files readme.doc README file for PGP release 2.3a.