/usr/share/applications/neurodebian-slicer.desktop is in neurodebian-desktop 0.37.6.
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 | [Desktop Entry]
Encoding=UTF-8
Name=3D Slicer
Exec=nd-autoinstall -p slicer /usr/bin/slicer3
Type=Application
Icon=3DSlicerLogo-DesktopIcon-48x48x256.png
Categories=X-NeuroDebian-MedicalImaging
|