the most recent version of mac os is based on the ... operating system
macOS At macOS's core is a POSIX compliant operating system built on top of the XNU kernel, with standard Unix facilities available from the command line interface. Apple has released this family of software as a free and open source operating system named Darwin. On top of Darwin, Apple layered a number of components, including the Aqua interface and the Finder, to complete the GUI-based operating system which is macOS.[59]
Macintosh In 1998, after the return of Steve Jobs, Apple consolidated its multiple consumer-level desktop models into the all-in-one iMac G3, which became a commercial success and revitalized the brand. Since their transition to Intel processors in 2006, the complete lineup is entirely based on said processors and associated systems. Its current lineup comprises three desktops (the all-in-one iMac, entry-level Mac Mini, and the Mac Pro graphics workstation), and three laptops (the MacBook, MacBook Air, and the MacBook Pro). Its Xserve server was discontinued in 2011 in favor of the Mac Mini and Mac Pro.
Economic nationalism While the coining of the term "
Supervisory program Historically, this term was essentially associated with IBM's line of mainframe operating systems starting with OS/360. In other operating systems, the supervisor is generally called the kernel.
Limit of a function (the Dirichlet function) has no limit at any x-coordinate.
Standard deviation Let X be a random variable with mean value Î¼: