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<h3 class="section">24.1 Basic Concepts of Signals</h3>

<p>This section explains basic concepts of how signals are generated, what
happens after a signal is delivered, and how programs can handle
signals.

<ul class="menu">
<li><a accesskey="1" href="Kinds-of-Signals.html#Kinds-of-Signals">Kinds of Signals</a>:             Some examples of what can cause a signal. 
<li><a accesskey="2" href="Signal-Generation.html#Signal-Generation">Signal Generation</a>:            Concepts of why and how signals occur. 
<li><a accesskey="3" href="Delivery-of-Signal.html#Delivery-of-Signal">Delivery of Signal</a>:           Concepts of what a signal does to the
                                 process. 
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