-.TP
-.B version
-show version number
-.SH "EXPERT" SUBCOMMANDS
-Some commands are very unlikely to be needed by most administrators.
-These commands must follow the word `expert'.
-.TP
-.B gen-key [HOSTNAME]
-Generate a OpenPGP key for the host. If HOSTNAME is not specified,
-then the system fully-qualified domain name will be user. An
-alternate key bit length can be specified with the `-l' or `--length'
-option (default 2048). An expiration length can be specified with the
-`-e' or `--expire' option (prompt otherwise). The expiration format
-is the same as that of \fBextend-key\fP, below. A key revoker
-fingerprint can be specified with the `-r' or `--revoker' option. `g'
-may be used in place of `gen-key'.