How to install Skype on Ubuntu

Add the official Skype repository

In Ubuntu:

• sudo gedit /etc/apt/sources.list

In Kubuntu:

• sudo kate /etc/apt/sources.list

And insert:

## REPOSITORY SKYPE
deb http://download.skype.com/linux/repos/debian/ stable non-free

Save and quit the editor.

Update the package information

sudo apt-get update

Install Skype

sudo apt-get install skype

Source:
https://help.ubuntu.com/

KWordQuiz

Introduction:
KWordQuiz is a general purpose flash card program. It can be used for vocabulary learning and many other subjects.

Installation:
$ sudo apt-get kwordquiz

Comment:
Smart and easy to use. The main window is clear as day

and the three different methods to check the vocabulary list are amazing.

Source:
http://edu.kde.org/kwordquiz/index.php