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It looks a lot like VMware just lost a 24,000-VM customer • The Register
(www.theregister.com)
This is a most excellent place for technology news and articles.
In large scale computing, a server will have VERY powerful hardware. You can run multiple VMs on that one machine, giving a slice of that power to each VM so that it basically ends up with multiple individual computers running on one very powerful set of hardware instead of building a ton of individual.
The other key feature being cost. A VDI terminal is much cheaper than actual PCs for employees. When I was working IT for a large company, we were able to get them in bulk for about $100 each. A PC cost us at least $800.
I have three VMs running concurrently on a decade+ old Dell T7500.
Even elderly enterprise stuff can do this.