NEXT  -  display the next message

Usage:  NEXT

The NEXT command makes the message after the current message become current,
  and displays it.  Like the TYPE command, it does not enter READ mode, so 
  you are back at the TOP-LEVEL prompt ( MM> ) after seeing the message.

For more help type "help" and one of these topics:
  message-sequence   read   previous   type   other
