$ sudo apt-get update
$ sudo apt-get install openscenegraph-examples 

openscenegraph-examples is installed in your system.

Make ensure the openscenegraph-examples package were installed using the commands given below,

$ sudo dpkg-query -l | grep openscenegraph-examples *

You will get with openscenegraph-examples package name, version, architecture and description in a table

openscenegraph-examples package basic information: