fsviewer-icons software package provides icons for fsviewer to make it look more like the NeXT FileViewer, 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 fsviewer-icons
fsviewer-icons is installed in your system.
Make ensure the fsviewer-icons package were installed using the commands given below,
$ sudo dpkg-query -l | grep fsviewer-icons *
You will get with fsviewer-icons package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | fsviewer-icons |
| Version | 1.0-6 |
| Description | icons for fsviewer to make it look more like the NeXT FileViewer |
| Sub Section | X203 |