7.3. What does z/VM provide?
z/VM is a mainframe operating system. Linux on the mainframe can particularly benefit from what z/VM provides:
The hypervisor.
z/VM's CP component is the hypervisor that manages resources for its guests. The hypervisor includes all the emulation code and an extremely efficient scheduler. The fact that hundreds of users can work concurrently and expect sub-second response times shows the efficiency of the scheduler.
The CMS operating system.
CMS has a simple user interface and is used by system administrators to manage both z/VM itself and its guests. It is also used as a utility operating system for various server functions such as TCP/IP.
A large set of systems management tools.
In the z/VM directory, system administrators ...
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