Trailing-Edge - PDP-10 Archives - BB-JR93N-BB_1990 - 10,7/system/ctrls.hlp
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When you type CTRL/S (control-S), the monitor  holds  output  to  your
terminal.   This control character works only after you have typed the
SET TTY PAGE command.  This control character is useful if you have  a
display terminal, and you have to stop the output to read it.  To read
the rest of the output, type CTRL/Q.