kcharselect software package provides special character utility, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kcharselect
kcharselect is installed in your system.
Make ensure the kcharselect package were installed using the commands given below,
$ sudo dpkg-query -l | grep kcharselect *
You will get with kcharselect package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Utilities |
| Package | kcharselect |
| Version | 4:16.04.3-0ubuntu1 |
| Description | special character utility |
| Sub Section | utils |