map lpr - The manual page for the lpr command that allows you to print files from the command line.
man lprm - The manual page for the command line utility to remove print jobs from the print queue.
man mpage - The manual page for the command line utility to print multiple pages on one sheet of paper.
man cupsd - The manual page for the CUPS printer daemon.
man cupsd.conf - The manual page for the CUPS printer daemon configuration file.
man classes.conf - The manual page for the class configuration file for CUPS.