#
# Use ghostscript to convert ps to .png then use xv to convert to your chosen format. 
#
gs -sDEVICE=ppm -sOutputFile=filename.ppm filenmame.ps(or pdf) 
#
xv filename.ppm
#
#
gs -sDEVICE=jpeg -sOutputFile=foo.jpg -dNOPAUSE -q -dBATCH foo.ps
#
pstogif foo.ps
#
#
# End of file