cl-asdf software package provides Another System Definition Facility, 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 cl-asdf
cl-asdf is installed in your system.
Make ensure the cl-asdf package were installed using the commands given below,
$ sudo dpkg-query -l | grep cl-asdf *
You will get with cl-asdf package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | cl-asdf |
| Version | 2:3.1.6-1 |
| Description | Another System Definition Facility |
| Sub Section | Devel |