virtualmachine

Hey, Was wondering if I could control multiple VM's on one screen? If I wanted 100 accounts to watch a youtube video, it'd be great if I could control all of them at once. So I only have to open a browser once, paste in the url once, etc... I think what I'm looking for is called screen...

I have a mounted windows 7 OS on a disk, and I set up a virtual machine for windows 7. My MacBook has 4 GB of RAM and 500 GB of storage. When ever I launch virtual box, my macbook is disgustingly slow. Any tips on what settings I should put my Windows VM on? What are the reasons for it being...