bashdb software package provides BASH debugger, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bashdb
bashdb is installed in your system.
Make ensure the bashdb package were installed using the commands given below,
$ sudo dpkg-query -l | grep bashdb *
You will get with bashdb package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | bashdb |
| Version | 4.3.0.91+ds-4 |
| Description | BASH debugger |
| Sub Section | Devel |