How to triple Boot Computer- Part 1 - Intro

This is part 1 of how to triple boot your computer or pc. in this video i will introduce you the basics of the tutorial. I will be triple booting acer aspire 5745g the specs are

• Operating system installed: Windows 7 Home Premium(64bit) 
• Processor type: 2.26GHz Intel Core i5 Mobile Processor M430,Turbo Boost 2.53ghz. 3 MB L2 Cache, 1066 MHz FSB 
• Memory: 4GB DDR3 RAM Supports upto 8GB RAM 
• Hard Disk: 500GB HDD 
• Optical drive:SuperMulti 8X DVD±R/RW with Double Layer Support 
• Display size and resolution: 15.6-inch WXGA High-Definition WideScreen 1366×768
• Graphics:Nvidia GT 330m 2 GB Dedicated Graphics Card 
• Network: Ethernet Lan, Wireless LAN(b/g/n) 
• Webcamera and Microphone: Webcam with Integrated Microphone 
• Ports: 3 USB 2.0, 1 HDMI, 1 VGA,HDMI, 1 RJ-45, 1 Stereo headphone-out, 1 Microphone in
• Speakers: Dolby Stereo Speaker 
• Battery and Power Charger: 6 cell Battery ( approx 3.0 hours backup)

To see if your hardware is compatible or not please check on Google

I will be installing mac osx snow leopard, windows 7, and ubuntu 12.10. First you will have to download the iso file of the os'es links here. After downloading them, burn them up into a dvd, except the ubuntu.

You will need to do some changes in you bios-
Go to your bios and change graphics to discrete.

Video Version