This file is indexed.

/usr/share/plymouth/themes/ubuntu-mate-logo/ubuntu-mate-logo.grub is in plymouth-theme-ubuntu-mate-logo 18.04.11.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
if background_color 60,59,55; then
  clear
fi

color_normal=light-gray/black

if [ -e ${prefix}/themes/ubuntu-mate/theme.txt ]; then
  insmod png
  theme=${prefix}/themes/ubuntu-mate/theme.txt
fi