Avidemux Quick Start for Xubuntu 16.04 Xenial
Hello Xubuntu User! The Tutorial shows you Step-by-Step How to Install and Getting-Started with the Latest Avidemux Release on Xubuntu 16.04 Xenial Xerus LTS GNU/Linux Desktop.
The Latest Avidemux installation is Provided by the Work and Gentle Concession of the GetDeb Project Developers.
Avidemux is a Free Video Editor designed for simple Cutting, Filtering and Encoding tasks. It supports many File Types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of Codecs. Tasks can be automated using projects, job queue and powerful scripting capabilities

Open a Terminal Shell emulator window
Ctrl+Alt+t on desktop
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.
Download GetDeb Repos Package Installer for Xubuntu
Installing GetDeb Repos on Xubuntu.
cd ~/Downloads
sudo dpkg -i getdeb-repo*.deb
If Got “User is Not in Sudoers file” then see: How to Enable sudo
Refreshing Xubuntu Repositories.
sudo apt-get update
Click on Link to Install Avidemux for Xubuntu
Confirm to Open with Xubuntu Software Center on Browser
Click on Install to Get the Avidemux Installation