I assume here that you have some knowledge about PGP. If you do not, then you can read the PGP Documentation, which is in two parts. Part One of the Documentation contains information about how to use PGP, and Part Two contains more advanced uses of PGP. Users are encouraged to read both parts of the Documentation fully before using PGP.
This presentation will describe:
athena% add pgp athena% attach warlord athena% /mit/warlord/afscell/classes/4.207/pgpmenu.pl