atheist software package provides General purpose command-line testing tool, 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 atheist
atheist is installed in your system.
Make ensure the atheist package were installed using the commands given below,
$ sudo dpkg-query -l | grep atheist *
You will get with atheist package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | atheist |
| Version | 0.20110402-2.1 |
| Description | General purpose command-line testing tool |
| Sub Section | Devel |