TecMint published a tutorial about how to Install Shutter Screenshot Tool in Ubuntu 20.04.
How to Install Shutter Screenshot Tool in Ubuntu 20.04
Shutter is a free and open-source, feature-rich screenshot tool for Linux based operating systems such as Ubuntu. It is available for all major GNU/Linux distributions and can be installed using the default package manager.
How to Install Shutter Screenshot Tool in Ubuntu 20.04