annotate: Server Prefix
4 The Server Prefix
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To issue a command to GDB without affecting certain aspects of the state
which is seen by users, prefix it with 'server '. This means that this
command will not affect the command history, nor will it affect GDB's
notion of which command to repeat if <RET> is pressed on a line by
itself.
The server prefix does not affect the recording of values into the
value history; to print a value without recording it into the value
history, use the 'output' command instead of the 'print' command.