This directory contains low level drivers for various graphics devices.
It also contains the makefile to make pgraf metacode readers.
1) pghp -- HP 2623 or 2648 graphics terminal
2) pgtek -- Tektronix 4010 graphics terminal output
3) pgx -- X Window Version 11 driver (fast and pretty)
4) pgps -- A postscript version for postscript printers
5) pgsps -- A version of pgps with smaller fonts
6) pgeps -- An encapsulated postscript version for embedding in documents
7) pgfig -- Puts out fig format output
