Linuxfx
Linuxfx (also known as Winux or Wubuntu) is a Brazilian Linux distribution based on Ubuntu. It ships with an intuitive Cinnamon desktop user interface designed to facilitate migration of users from Windows.
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SmartOS
SmartOS is an open-source UNIX-like operating system based on illumos, a community fork of OpenSolaris. It features four technologies - ZFS (a combined file system and logical volume manager), DTrace (a dynamic tracing framework for troubleshooting kernel and application problems), Zones (a lightweight virtualisation solution), KVM and bhyve (two full virtualisation solutions for running a variety of guest operating systems, including Linux, Windows, BSD and Plan9).