GNU/Linux Ubuntu 22.04 Installing GKSu – Step by step Guide
The tutorial shows you step-by-step How to Emulate GKSu in Ubuntu 22.04 Jammy LTS GNU/Linux desktop – Step by step Tutorial.
And GKSu for Ubuntu 22.04 is a Library that provides a Gtk+ Frontend to su and sudo.
Moreover, it supports login shells and preserving environment when acting as a su frontend. It is useful to Menu items or other Graphical Programs that need to ask a user’s Password to run another Program as another User.
Especially relevant: GKSu is NOT ANYMORE AVAILABLE, it has been definitively removed from Repos for SECURITY ISSUES concerns.
So see instead the: GKSu Alternative Pkexec.

1. Terminal Getting Started Guide
How to QuickStart with Command Line on Ubuntu GNU/Linux:
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