The document summarizes the Common UNIX Printing System (CUPS) which is a printing system and standard for Unix-like operating systems. It describes the main components of CUPS including spoolers, filters, backends, printer drivers, classes, queues and more. It also covers user commands, configuration tools, remote printing connections and supported printer languages and drivers.

1. Common UNIX Printing System (CUPS)‏ Ron Bandes Cloud Nine Networks, LLC

3. CUPS Overview Application Queue Filters Backend Printer

4. User Commands

14. System Administration Commands

15. Application Queue Printer reject enable disable accept queuing/ spooling printing alias lpenable /usr/bin/enable to avoid enable builtin

20. Printer Connections

24. Glossary & Programs

30. The End