Plank is a simple and light weight dock application. It is the default dock in Elementary OS Luna.
We are going to install Plank 0.5 in Ubuntu 13.10
Install Plank
Open Terminal
$ sudo add-apt-repository ppa:ricotz/docky
[sudo] password for enock: Docky/Plank testing packages More info: https://launchpad.net/~ricotz/+archive/docky Press [ENTER] to continue or ctrl-c to cancel adding it gpg: keyring `/tmp/tmp8nzx18/secring.gpg' created gpg: keyring `/tmp/tmp8nzx18/pubring.gpg' created gpg: requesting key 9E5DB0C8 from hkp server keyserver.ubuntu.com gpg: /tmp/tmp8nzx18/trustdb.gpg: trustdb created gpg: key 9E5DB0C8: public key "Launchpad PPA for Rico" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) OK
$ sudo apt-get update
$ sudo apt-get install plank