The OpenVMS System Generation utility (SYSGEN) allows you to tailor
   your system for a specific hardware and software configuration.
   Use SYSGEN to modify system parameters, load device drivers, and
   create additional page and swap files.

   More on-line help is available from the System Generation utility.
   To invoke SYSGEN, enter the following command in response to the
   DCL prompt:

   $  RUN SYS$SYSTEM:SYSGEN

   The utility responds with the prompt:

   SYSGEN>

   After you invoke SYSGEN, you can enter HELP or any of the SYSGEN
   commands.