cl-utilities software package provides collection of Common Lisp utilities, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cl-utilities
cl-utilities is installed in your system.
Make ensure the cl-utilities package were installed using the commands given below,
$ sudo dpkg-query -l | grep cl-utilities *
You will get with cl-utilities package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Lisp |
| Package | cl-utilities |
| Version | 1.2.4-3.1 |
| Description | collection of Common Lisp utilities |
| Sub Section | Lisp |