Skype is a very popular closed-source application for voice conferences and chat. It gained a lot of popularity in the last couple of years, becoming one of the most used applications for internet conversations. The latest release of Skype for Linux is 2.0.
To install Skype, you will first need to get all of its dependencies
#apt-get install libasound2 libc6 libgcc1 libqt4-core libqt4-gui libsigc++-2.0-0c2a libstdc++6 libx11-6
Note: You have to be root in order to install software in Debian. To login as root type su in any console and enter the root password. The password goes in as you type it even if no output is shown.
Next, download the Skype Debian Etch package from here http://skype.com/download/skype/linux/choose/. At the time of writing the package is called skype-debian_22.214.171.124-1_i386.deb. To install it, open a console and type as root:
#dpkg -i skype-debian_126.96.36.199-1_i386.deb
Or whatever your package is called. You should now have Skype installed. To run in,go to Applications->Internet->Skype . Alternately, press ALT+F2 and in the Run dialogue that appears type skype, then Enter.
To remove Skype, issue the following command as root:
#dpkg -r skype