Here is How to Install Zenity Package in Ubuntu 18.04? by following the set of instructions provided on this page.
Ubuntu is a complete desktop Linux operating system, freely available with both community and professional support. Ubuntu is a Debian-based Linux operating system it uses Unity as its default user interface. The software is free to use.
Ubuntu is developed and managed by South African entrepreneur Mark Shuttleworth.
What is Apt-get or Apt Install?
So to install any file on Ubuntu you need to write commands like apt-get install or apt install package name. It is the command-line tool for handling packages which also works as a back-end to other tools for the users.
Advanced Package Tool, or APT, is free and open-source software that works with the core libraries to handle the system of installation and removal of all packages. However, it works with Ubuntu, Debian, and other Linux distros. Finally, it simplifies the process of managing by automating the retrieval, configuration, and installation of software packages on Unix-like computer systems.
What is Zenity?
Zenity allows you to display GTK+ dialogs from shell scripts; it is a rewrite of the `gdialog’ command from GNOME 1. . Zenity includes a gdialog wrapper script so that it can be used with legacy scripts.
How To Install Zenity in Ubuntu?
sudo apt update sudo apt install zenity