 
  
           DIP> help
           DIP knows about the following commands:
                   databits default  dial     echo     flush
                   get      goto     help     if       init
                   mode     modem    parity   print    port
                   reset    send     sleep    speed    stopbits
                   term     wait
           DIP> echo
           Usage: echo on|off
           DIP>
 
Throughout the following, examples that display the DIP>
prompt show how to enter a command in test mode, and what output
it produces. Examples lacking this prompt should be taken as
script excerpts.