If you have a Linux installation on your computer, but wished you had a MAC OS like interface, here is a free solution for you. Mac4Lin is a free and open source software that adds Mac OS type interface to your existing Linux installation. It works on POSIX operating systems, like Ubuntu Linux, FreeBSD etc.
Once you install Mac4Lin, you will be amazed by the absolute resemblance that it has with Mac OS. If you are a Mac fan, and planning to switch to Linux, I would suggest you give Mac4Lin a shot. You will be pleased. Check out the video tutorial below to see how to install Mac4Lin theme for Linux.