For product testing, hardware and operating system-level virtualization helps in reducing the number of physical servers required and time required to set up the servers.

对于产品测试，硬件和操作系统级虚拟化有助于减少需要的物理服务器数量和设置服务器所需的时间。

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Operating system-level virtualization is a server virtualization method where the kernel of an operating system allows for multiple isolated user-space instances.

操作系统级的虚拟化是一种服务器虚拟化方法，在这种方法中，操作系统的内核支持多个相互隔离的用户空间实例。

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The final technique we'll explore, operating system-level virtualization, uses a different technique than those covered so far.

我们要介绍的最后一种技术是操作系统级的虚拟化，它使用的技术与前面所介绍的有所不同。

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All of this is possible because of virtualization, a process which increases effectiveness by inserting a level of software between the operating system and the hardware.

FORBES: Dell-EMC Relationship "On The Rocks" After Storage Acquisition