With these preliminaries out of the way, let's look at CUPS. CUPS has several interfaces, including a Web-based status and administration tool. The Web interface is very good for normal maintenance and operation, but unfortunately, if your needs lie outside the abilities of the interface, you still have to know how the system works and where the various configuration files reside.
You can install CUPS anywhere you like. Most distributions use a
/usr installation prefix, so the clients are in
/usr/bin, the system programs are in
/usr/sbin, and so on. This book assumes that your directory prefix is
/usr. Here are the directory locations and contents:
cupsd server and administration programs
User-level clients, including