A *nix based operating system (undisclosed).
https://en.wikipedia.org/wiki/Unix
Operating Systems and Servers
Get access to data on 10,110,767 websites that are Unix Customers. We know of 2,242,246 live websites using Unix and an additional 7,868,521 sites that used Unix historically and 591,074 websites in the United States.
Get a list of 10,110,767 websites using Unix which includes location information, hosting data, contact details, 2,242,246 currently live websites and an additional 520,247 domains that redirect to sites in this list. 7,868,521 sites that used this technology previouslyand 591,074 websites in the United States currently using Unix.
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