A *nix based operating system (undisclosed).
Operating Systems and Servers
Get access to data on 10,753,517 websites that are Unix Customers. We know of 2,734,381 live websites using Unix and an additional 8,019,136 sites that used Unix historically and 760,322 websites in the United States.
Get a list of 10,753,517 websites using Unix which includes location information, hosting data, contact details, 2,734,381 currently live websites
and an additional 630,132 domains that redirect to sites in this list. 8,019,136 sites that used this technology previously and 760,322 websites in the United States currently using Unix.