/usr/share/applications/nvidia-settings.desktop is in nvidia-settings 390.42-0ubuntu1.
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 | [Desktop Entry]
Type=Application
Encoding=UTF-8
Name=NVIDIA X Server Settings
Comment=Configure NVIDIA X Server Settings
Exec=/usr/bin/nvidia-settings
Icon=nvidia-settings
Categories=System;Settings;
|