The virtualization space is a massive industry. In the article we list some of the better know virtual systems available:
| Technology / Firm | Comments |
| KVM | Kernel-based Virtual Machine |
| OpenVZ | Operating system-level virtualization technology for Linux |
| Xen | Hypervisor using a microkernel design, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. |
| VMWare | VMware is a virtualization and cloud computing software provider based in Palo Alto, California |
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