caja-extensions-common software package provides Caja extensions (common files), 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-common
caja-extensions-common is installed in your system.
Make ensure the caja-extensions-common package were installed using the commands given below,
$ sudo dpkg-query -l | grep caja-extensions-common *
You will get with caja-extensions-common package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | caja-extensions-common |
| Version | 1.12.0-1 |
| Description | Caja extensions (common files) |
| Sub Section | X77 |