This file is indexed.

/usr/lib/plplot5.9.9/driversd/gd.driver_info is in plplot11-driver-gd 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
3
png:PNG file:0:gd:39:png
jpeg:JPEG file:0:gd:40:jpeg
gif:GIF file:0:gd:47:gif