toolchain/share/doc/annotate/Server-Prefix.html

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<h2 class="chapter">4 The Server Prefix</h2>
<p><a name="index-server-prefix-for-annotations-2"></a>
To issue a command to <span class="sc">gdb</span> without affecting certain aspects of
the state which is seen by users, prefix it with &lsquo;<samp><span class="samp">server </span></samp>&rsquo;. This
means that this command will not affect the command history, nor will it
affect <span class="sc">gdb</span>'s notion of which command to repeat if &lt;RET&gt; is
pressed on a line by itself.
<p>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 <code>output</code> command instead of the <code>print</code> command.
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