clearcut software package provides extremely efficient phylogenetic tree reconstruction, 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 clearcut
clearcut is installed in your system.
Make ensure the clearcut package were installed using the commands given below,
$ sudo dpkg-query -l | grep clearcut *
You will get with clearcut package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Science |
| Package | clearcut |
| Version | 1.0.9-1 |
| Description | extremely efficient phylogenetic tree reconstruction |
| Sub Section | Science |