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updated description of vzkernel (from Kostya Khorenko)
OpenVZ consists from open components and includes:
* [[Download/kernel/rhel7|RHEL7 kernel]], RHEL7-based kernel, a Linux kernel with patches that implements OpenVZ kernel functionality.
* Management utilities, such as [[Download/vzctl|vzctl]], for managing container life cycle.
* [http://criu.org/ Checkpoint/Restore In Userspace], or CRIU, is a software tool for Linux that enables you to freeze a running application (or a part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at.