
1) Alien word form 2) Prefix meaning foreign
Found on
https://www.crosswordclues.com/clue/xen

Xen n is a hypervisor using a microkernel design, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. The University of Cambridge Computer Laboratory developed the first versions of Xen. The Xen community develops and maintains Xen as free and open-source software, subject to the...
Found on
http://en.wikipedia.org/wiki/Xen

A paravirtualisation engine for Linux, an efficient way to run multiple Linux OSes on one computer. Also runs BSD, Plan9 and other OSes. (See website for more information.)
Found on
https://www.encyclo.co.uk/local/22606
No exact match found.