1 03/21/85 master
 2 
 3 Syntax as a command:  master mesage
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 5 
 6 Function:  is the reverse of the slave command.  It allows the operator
 7 of the slave terminal to communicate with the operator of the master
 8 terminal by sending a message.
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10 
11 Arguments:
12 message
13    is any arbitrary one-line message containing no more than 120
14    characters.