dwdiff software package provides diff program that operates word by word, 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 dwdiff
dwdiff is installed in your system.
Make ensure the dwdiff package were installed using the commands given below,
$ sudo dpkg-query -l | grep dwdiff *
You will get with dwdiff package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Utilities |
| Package | dwdiff |
| Version | 2.1.0-1build1 |
| Description | diff program that operates word by word |
| Sub Section | Utils |