Enables or disables the Ctrl/Y or the Ctrl/T function. Pressing
    Ctrl/Y interrupts a command and returns you to the DCL command
    level. Pressing Ctrl/T momentarily interrupts a command to print
    a line of statistics.
    SET CONTROL=T requires that SET TERMINAL/BROADCAST be set for the
    information to be displayed at your terminal.
    Format
      SET CONTROL  [=(T,Y)]
      SET NOCONTROL  [=(T,Y)]
Additional Information:
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