The LPRng Print Spooler provides the essential printing services for UNIX and UNIX-like operating systems. It can be configured to work in small, large, or enterprise level environments. The ifhp Print Filter is used with LPRng to convert print jobs into a format compatible with a particular printer and the while it may briefly describe the ifhp operation, Finally, the LPRngTool Graphical User Interface provides an easy to use configuration and monitoring tool for the LPRng print spooler.
This document is the basic reference for the LPRng print spooler software; the ifhp documentation and LPRngTool should be consulted for details about their operation.