1.SYSGEN> USE SYS$SYSTEM:SPECIAL

      This command uses the existing parameter file
      SYS$SYSTEM:SPECIAL.PAR.

    2.SYSGEN> USE DEFAULT

      SYSGEN> SET STARTUP_P1 "MIN"

      The first command initializes the SYSGEN work area with default
      parameter values. The second command sets the STARTUP_P1 system
      parameter to "minimum."