Qubes Operating System

Qubes is an open-source operating system designed to provide strong security for desktop computing. Qubes is based on Xen, X Window System, and Linux and can run most Linux applications and utilize most Linux drivers.

In the future, it might also run Windows apps.

Key architecture features:

• Based on a secure bare-metal hypervisor (Xen)
• Networking code sand-boxed in an unprivileged VM (using IOMMU/VT-d)
• No networking code in the privileged domain (dom0)
• All user applications run in “AppVMs,” lightweight VMs based on Linux
• Centralized updates of all AppVMs based on the same template
• Qubes GUI virtualization presents applications as if they were running locally
• Qubes GUI provides isolation between apps sharing the same desktop
• Storage drivers and backends sand-boxed in an unprivileged virtual machine(*)
• Secure system boot based on Intel TXT(*)

QUBE OS SITEMA OPERATIVO ONLINE

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Download Qubes IOs