From 82fbee8d218fff2f3bd125b40436a36d340e840a Mon Sep 17 00:00:00 2001 From: mo khan Date: Sun, 23 May 2021 19:05:01 -0600 Subject: add notes on virtual machines --- doc/16.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/doc/16.md b/doc/16.md index 364c322..6bfdc54 100644 --- a/doc/16.md +++ b/doc/16.md @@ -30,4 +30,12 @@ Hypervisor implementations vary: * type 0 hypervisor: hardware based solutions that provide support at the firmware level. * type 1 hypervisor: OS like software built to provide virtualization. +* type 2 hypervisor: are applications that run on other operating systems, which do not know that virtualization is taking place. +VCPU: virtual CPU. does not execute code but represents the state of the CPU as the guest machine believes it to be. + +## Summary + +Virtualization is a method of providing a guest with a duplicate of a system's underlying hardware. +Multiple guests can run on a given syste, each believing it is the native operating system in full control +of the system. -- cgit v1.2.3