bilibop-lockfs software package provides lock filesystems and write changes into RAM, 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 bilibop-lockfs
bilibop-lockfs is installed in your system.
Make ensure the bilibop-lockfs package were installed using the commands given below,
$ sudo dpkg-query -l | grep bilibop-lockfs *
You will get with bilibop-lockfs package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Administration Utilities |
| Package | bilibop-lockfs |
| Version | 0.4.23 |
| Description | lock filesystems and write changes into RAM |
| Sub Section | admin |