/usr/lib/x86_64-linux-gnu/plplot5.10.0/driversd/xwin.driver_info is in plplot12-driver-xwin 5.10.0+dfsg2-0.4+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | xwin:X-Window (Xlib):1:xwin:5:xw
|