caja-extensions-dbg software package provides Caja extensions (debugging symbols), 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 caja-extensions-dbg
caja-extensions-dbg is installed in your system.
Make ensure the caja-extensions-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep caja-extensions-dbg *
You will get with caja-extensions-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Debug packages |
| Package | caja-extensions-dbg |
| Version | 1.12.0-1 |
| Description | Caja extensions (debugging symbols) |
| Sub Section | debug |