1 04/10/86  sign_off
 2 
 3 Syntax as a command:  sign_off
 4 
 5 
 6 Function: used by operators to sign off as operator on a message
 7 coordinator terminal.  Further commands on this terminal will not be
 8 accepted until the terminal is signed on again with the sign_on
 9 command.  Use it at the terminal from which you previously entered a
10 sign_on command.  You can use it only in ring 4.