gnome-menus software package provides GNOME implementation of the freedesktop menu specification, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnome-menus
gnome-menus is installed in your system.
Make ensure the gnome-menus package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-menus *
You will get with gnome-menus package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | GNOME |
| Package | gnome-menus |
| Version | 3.13.3-6ubuntu3 |
| Description | GNOME implementation of the freedesktop menu specification |
| Sub Section | GNOME |