/usr/share/applications/screensavers/glschool.desktop is in xscreensaver-gl 5.36-1ubuntu1.
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 | [Desktop Entry]
Name=GLSchool
Exec=/usr/lib/xscreensaver/glschool -root
TryExec=/usr/lib/xscreensaver/glschool
Comment=Uses Craig Reynolds' Boids algorithm to simulate a school of fish. http://en.wikipedia.org/wiki/Boids Written by David C. Lambert.
StartupNotify=false
Terminal=false
Type=Application
Categories=Screensaver;
OnlyShowIn=MATE;
|