How to Install Skype on GNU/Linux Distros
GNU/Linux Installing Skype Guides
You are Welcome! The Article Presents a Series of Link to Step-by-Step Guides on Latest Skype Installation on widespread GNU/Linux Desktops.
And Skype for Linux is a Freemium Voice-over-IP Service and Instant Messaging Client, currently Developed by the Microsoft Skype Division. The Name was derived from “Sky” and “Peer”.

GNU/Linux Skype Installation Guide
How to Install Opera Browser on Linux:
SetUp Opera on Linux.