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<h3 class="section">2.2 Quitting <span class="sc">gdb</span></h3>

<p><a name="index-exiting-_0040value_007bGDBN_007d-54"></a><a name="index-leaving-_0040value_007bGDBN_007d-55"></a>
     
<a name="index-quit-_0040r_007b_005b_007d_0040var_007bexpression_007d_0040r_007b_005d_007d-56"></a>
<a name="index-q-_0040r_007b_0028_0040code_007bquit_007d_0029_007d-57"></a>
<dl><dt><code>quit </code><span class="roman">[</span><var>expression</var><span class="roman">]</span><dt><code>q</code><dd>To exit <span class="sc">gdb</span>, 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>, <span class="sc">gdb</span> will terminate normally;
otherwise it will terminate using the result of <var>expression</var> as the
error code. 
</dl>

   <p><a name="index-interrupt-58"></a>An interrupt (often <kbd>Ctrl-c</kbd>) does not exit from <span class="sc">gdb</span>, but rather
terminates the action of any <span class="sc">gdb</span> command that is in progress and
returns to <span class="sc">gdb</span> command level.  It is safe to type the interrupt
character at any time because <span class="sc">gdb</span> does not allow it to take effect
until a time when it is safe.

   <p>If you have been using <span class="sc">gdb</span> 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>).

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