dirdiff software package provides Display and merge changes between two directory trees, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dirdiff
dirdiff is installed in your system.
Make ensure the dirdiff package were installed using the commands given below,
$ sudo dpkg-query -l | grep dirdiff *
You will get with dirdiff package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | dirdiff |
| Version | 2.1-7.1 |
| Description | Display and merge changes between two directory trees |
| Sub Section | Utils |