Install plank by entering the following commands in the terminal:
sudo apt update sudo apt install plank
Description:
Elegant, simple, clean dock
Plank is a dock enabling you to start applications and manage your windows. . Plank is meant to be the simplest dock on the planet. The goal is to provide just what a dock needs and absolutely nothing more. It is, however, a library which can be extended to create other dock programs with more advanced features.
Homepage: https://launchpad.net/plank
Version: 0.11.4-2
Section: universe/utils