/usr/lib/plplot5.9.9/driversd/ps.driver_info is in libplplot11 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ps:PostScript File (monochrome):0:ps:29:psm
psc:PostScript File (color):0:ps:30:psc
|