Plank is a simple dock application that is widely used by Linux users. We can make desktop appearance more attractive using dock applications like Plank. One of the advantages of Plank is that its settings are easy and do not take a lot of performance from the system. So, this application is a very light dock. In the previous post, I have discussed about Plank in the article "How To Easy Install And Configure Plank On Ubuntu 18.04".