/usr/share/menu/g3data is in g3data 1:1.5.3-2.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | ?package(g3data):needs="X11" \
section="Applications/Science/Data Analysis"\
title="g3data" command="/usr/bin/g3data"
|