This is Aladdin Ghostscript, the non-GPL version that comes with a licence different from the GPL. Read the file PUBLIC in the work/gsX.Y directory or in ${PREFIX}/share/ghostscript/X.Y/doc/PUBLIC after installation for details ! Ghostscript is the well-known PostScript interpreter which is available for all common and most esoteric platforms and supports many different printers and some displays. This port includes add-on packages (not part of the official gs release) o Support for pdfencrypt, see description on - http://www.ozemail.com.au/~geoffk/pdfencrypt/ o Additional driver support - http://www.proaxis.com/~mgelhaus/linux/software/hp880c/hp880c.html o Additional contributed uniprint driver profiles for - Epson Stylus Color 740 and Epson LQ-1170 Thomas Merz has written a Ghostscript manual in PDF format: http://www.cs.wisc.edu/~ghost/merz.html The manual is also available in German language, see: http://www.muc.de/~tm/free/free.html WWW: http://www.cs.wisc.edu/~ghost/index.html