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<a name="Quitting-GDB"></a>
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<a name="Quitting-GDB-1"></a>
<h3 class="section">2.2 Quitting <small>GDB</small></h3>
<a name="index-exiting-GDB"></a>
<a name="index-leaving-GDB"></a>

<dl compact="compact">
<dd><a name="index-quit-_005bexpression_005d"></a>
<a name="index-q-_0028quit_0029"></a>
</dd>
<dt><code>quit <span class="roman">[</span><var>expression</var><span class="roman">]</span></code></dt>
<dt><code>q</code></dt>
<dd><p>To exit <small>GDB</small>, use the <code>quit</code> command (abbreviated
<code>q</code>), or type an end-of-file character (usually <kbd>Ctrl-d</kbd>).  If you
do not supply <var>expression</var>, <small>GDB</small> will terminate normally;
otherwise it will terminate using the result of <var>expression</var> as the
error code.
</p></dd>
</dl>

<a name="index-interrupt"></a>
<p>An interrupt (often <kbd>Ctrl-c</kbd>) does not exit from <small>GDB</small>, but rather
terminates the action of any <small>GDB</small> command that is in progress and
returns to <small>GDB</small> command level.  It is safe to type the interrupt
character at any time because <small>GDB</small> does not allow it to take effect
until a time when it is safe.
</p>
<p>If you have been using <small>GDB</small> to control an attached process or
device, you can release it with the <code>detach</code> command
(see <a href="Attach.html#Attach">Debugging an Already-running Process</a>).
</p>


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