/usr/share/applications/www.octave.org-octave.desktop is in octave 4.0.0-3ubuntu9.
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 11 12 | [Desktop Entry]
Name=GNU Octave
Comment=Scientific Computing using GNU Octave
TryExec=/usr/bin/octave
Exec=/usr/bin/octave --force-gui
Icon=/usr/share/octave/4.0.0/imagelib/octave-logo.svg
Terminal=false
Type=Application
Categories=Education;Science;Math;
StartupNotify=false
MimeType=text/x-octave;text/x-matlab;
X-Desktop-File-Install-Version=0.22
|