SeaMonkey Lubuntu 18.04 Installation Guide
How to Install Mozilla SeaMonkey in Lubuntu 18.04 Bionic LTS 64-bit GNU/Linux desktop – Step by step Tutorial.
And Seamonkey for Lubuntu 18.04 includes an Internet Browser, eMail & Newsgroup Client, HTML Editor, IRC Chat and Web Development Tools.
Moreover, the SeaMonkey Project is a Community Effort to Develop the SeaMonkey All-in-one Internet Application Suite.
Finally, this guide on Installing SeaMonkey on Lubuntu 18.04 Include the Basic ScreenShots to Make Easier the Whole Visualization Steps Involved.

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Open a Terminal Window
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.
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