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# Introduction
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The crosvm project is a hosted (a.k.a.
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[type-2](https://en.wikipedia.org/wiki/Hypervisor#Classification)) virtual
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machine monitor.
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2021-09-27 08:54:23 +00:00
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crosvm runs untrusted operating systems along with virtualized devices.
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Initially intended to be used with KVM and Linux, crosvm supports multiple kinds
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of hypervisors. crosvm is focussed on safety within the programming language and
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a sandbox around the virtual devices to protect the host from attack in case of
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exploits in crosvm itself.
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2021-09-27 08:54:23 +00:00
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Other programs similar to crosvm are QEMU and VirtualBox. An operating system,
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made of a root file system image and a kernel binary, are given as input to
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crosvm and then crosvm will run the operating system using the platform's
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hypervisor.
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2021-10-21 15:24:02 +00:00
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