/usr/share/applications/screensavers/polytopes.desktop is in xscreensaver-gl 5.30-1+deb8u2.
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=Polytopes
Exec=/usr/lib/xscreensaver/polytopes -root
TryExec=/usr/lib/xscreensaver/polytopes
Comment=This shows one of the six regular 4D polytopes rotating in 4D. Inspired by H.S.M Coxeter's book "Regular Polytopes", 3rd Edition, Dover Publications, Inc., 1973, and Thomas Banchoff's book "Beyond the Third Dimension: Geometry, Computer Graphics, and Higher Dimensions", Scientific American Library, 1990. http://en.wikipedia.org/wiki/Hypercube http://en.wikipedia.org/wiki/Regular_polytope Written by Carsten Steger.
StartupNotify=false
Terminal=false
Type=Application
Categories=Screensaver;
OnlyShowIn=GNOME;
|