A *nix based operating system (undisclosed).
https://en.wikipedia.org/wiki/Unix
Operating Systems and Servers
Get access to data on 10,312,290 websites Unix Customers. We know of 2,671,530 live websites using Unix and an additional 7,640,760 sites that used Unix historically and 717,472 websites in the United States.
Get a list of 10,312,290 websites using Unix which includes location information, hosting data, contact details, 2,671,530 currently live websites and an additional 572,606 domains that redirect to sites in this list. 7,640,760 sites that used this technology previouslyand 717,472 websites in the United States currently using Unix.
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