bcache-tools software package provides bcache userspace tools, 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 bcache-tools
bcache-tools is installed in your system.
Make ensure the bcache-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep bcache-tools *
You will get with bcache-tools package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Utilities |
| Package | bcache-tools |
| Version | 1.0.8-2 |
| Description | bcache userspace tools |
| Sub Section | Utils |