The MacOS is what discouraged me since I couldn’t install very many any apps since it was older. The shipping charge was more than the cost of the all-in-one (AIO) system. The system runs better in winter when it is a little cooler. Another reason is that the video card has an overheating issue which causes screen anomalies. For this reason I didn’t use the iMac often. After I tried using the iMac and installing apps on it I found out that few apps supported Snow Leopard. The highest MacOS it can support is 10.6 or Snow Leopard. Nvidia GeForce 7300 GT video card 128 MB VRAM.24-Inch screen TFT Active Matrix LCD (1921x1200 native) display.For this article I used an iMac 6.1 from late 2006. There are many types of Apple Mac systems available. For this reason someone may want to install Linux on a Mac. Many people may like the look and feel of Linux over other Desktop Operating Systems (OS).