kgb software package provides Archiver for .kgb files, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kgb
kgb is installed in your system.
Make ensure the kgb package were installed using the commands given below,
$ sudo dpkg-query -l | grep kgb *
You will get with kgb package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Utilities |
| Package | kgb |
| Version | 1.0b4+ds-13.2 |
| Description | Archiver for .kgb files |
| Sub Section | utils |