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Oracle Solaris 11.2 System Administration Handbook by Glynn Foster, Harry Foxwell

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CHAPTER4Oracle Solaris Zones

Solaris 10 introduced a new form of virtualization not based on, nor requiring, a hypervisor—zones. This form directly shares the base, or “global” kernel facilities, while providing secure separation of each zone’s process namespace and execution environment, along with programs for zone administration like those for managing a complete OS kernel. Solaris 11 improves and extends this virtualization technology and includes zone variants that support earlier Solaris OS versions, read-only (or “immutable”) environments, and, with Solaris 11.2, full Solaris OS kernels. In this chapter we discuss these variants; we describe ...

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