gnome-menu-cat
gnome-menu-cat - this script-base classificator GNOME menu.
...View all the possible values of "Categories" and their combination with the command:
$ grep "Categories=" /usr/share/applications/*.desktop
gnome-menu-cat spoofing and create my own XML-substitution table gnome-applications.menu mechanism xdg-menu.
This script-base classificator GNOME menu.