dump software package provides 4.4bsd dump and restore for ext2 filesystems, 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 dump
dump is installed in your system.
Make ensure the dump package were installed using the commands given below,
$ sudo dpkg-query -l | grep dump *
You will get with dump package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Utilities |
| Package | dump |
| Version | 0.4b46-3+b1 [amd64], 0.4b46-3 |
| Description | 4.4bsd dump and restore for ext2 filesystems |
| Sub Section | Utils |