/usr/share/applications/tkgate.desktop is in tkgate 2.0~b10-4ubuntu2.
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 | [Desktop Entry]
Version=1.0
Name=tkgate Circuit Simulator
GenericName=Circuit Simulator
Comment=Event driven digital circuit simulator with Tcl/Tk
Exec=tkgate
Icon=tkgate
Type=Application
Categories=Education;Electronics;Engineering;
|