# CUPS PPD Extensions

This specification describes the attributes and extensions that CUPS adds to Adobe TechNote #5003: PostScript Printer Description File Format Specification Version 4.3. PostScript Printer Description ("PPD") files describe the capabilities of each printer and are used by CUPS to support printer-specific features and intelligent filtering.

See Also | Programming: Developing PostScript Printer Drivers Programming: Developing Raster Printer Drivers Programming: Filter and Backend Programming Programming: Introduction to the PPD Compiler Programming: Raster API References: PPD Compiler Driver Information File Reference