A very simple diagram showing how <a href="https://en.wikipedia.org/wiki/CUPS" class="extiw" title="w:CUPS">CUPS</a> is working
<a href="//commons.wikimedia.org/wiki/User:Sven" title="User:Sven">User:Sven</a>
2006-06-20
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Cups_remake.PNG" title="File:Cups remake.PNG">Cups remake.PNG</a>