VMWARE : Runs multiple OS 
simultaneously

Have you ever thought about having multiple OS in your default OS??if no then there comes the concept virtual machine..
A VMWARE is a virtual machine which helps you to manage at most 8 OS inside your default OS and helps you to run multiple OS simultaneously.
if you want to hide ur private stuffs then you can hide them inside your child OS.Now people around you wont be knowing that you have multiple child OS inside your default OS.
i think now you may be knowing what is the use of selecting larger memory RAM while purchasing ur laptop.Actually your 4 GB RAM comes in play here to balance the processing speed..
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1. part 1
2. part 2
3. part 3
4. part 4