A *nix based operating system (undisclosed).
https://en.wikipedia.org/wiki/Unix
Operating Systems and Servers
Get access to data on 10,268,581 websites Unix Customers. We know of 2,500,322 live websites using Unix and an additional 7,768,259 sites that used Unix historically and 653,323 websites in the United States.
Get a list of 10,268,581 websites using Unix which includes location information, hosting data, contact details, 2,500,322 currently live websites and an additional 532,535 domains that redirect to sites in this list. 7,768,259 sites that used this technology previouslyand 653,323 websites in the United States currently using Unix.
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