dff software package provides Powerful, efficient and modular digital forensic framework, 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 dff
dff is installed in your system.
Make ensure the dff package were installed using the commands given below,
$ sudo dpkg-query -l | grep dff *
You will get with dff package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Administration Utilities |
| Package | dff |
| Version | 1.3.0+dfsg.1-4.1+b2 [amd64, ar |
| Description | Powerful, efficient and modular digital forensic framework |
| Sub Section | admin |