Qubes OS is a security-focused desktop operating system that aims to provide security through compartmentalization.[8] Compartmentalization is provided through the use of virtualization technology. This allows the segmentation of applications into secure virtual machines called qubes
https://www.theregister.co.uk/2012/09/05/qubes_secure_os_released/
Latest release 4.3.0[4] / 21 December 2025; 3 months ago
Update method DNF (PackageKit)
Package manager RPM Package Manager
Supported platforms x86-64
Kernel type Microkernel (Xen Hypervisor running minimal Linux-based OSes and others)
Userland GNU[a]
Official templates: Fedora, Debian
Community templates: Whonix, Ubuntu, Arch Linux, CentOS, Gentoo
Official website qubes-os.org
The minimum base system requirements[21] for Qubes OS are:
64-bit Intel or AMD processor with virtualization extensions[b]
6 GB of RAM
32 GB of disk space
Security and privacy experts such as Edward Snowden, Daniel J. Bernstein, and Christopher Soghoian have publicly praised the project.
"Endpoint Security Prize Finalists Announced!"
https://www.qubes-os.org/experts/