Apple's macOS is a series of proprietary graphical operating systems developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS, after Microsoft Windows.
macOS is a continuation of Mac OS X (later called simply OS X, pronounced oh-ess-ten), which was originally released in 2001. It is built on Unix; as such, it shares many “under-the-hood” similarities to Unix and Linux, most notably multi-user support, pre-emptive multi-tasking, access to the system via Terminal, and the like.
OS X was renamed in 2016 as macOS 10.12 Sierra to match Apple’s other operating systems like iOS, watchOS, and tvOS. Personally I'm not a fan of apple computers but am definitely a fan of the mobile devices. The primary reasoning behind such detest for Mac is their restriction on the hardware not to mention their excessive need to outdate their OWN hardware every few years.
Linux is life. Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged in a Linux distribution.
But Linux also is different from other operating systems in many important ways. First, and perhaps most importantly, Linux is open source software. The code used to create Linux is free and available to the public to view, edit, and—for users with the appropriate skills—to contribute to.
Linux is also different in that, although the core pieces of the Linux operating system are generally common, there are many distributions of Linux, which include different software options. This means that Linux is incredibly customizable, because not just applications, such as word processors and web browsers, can be swapped out. Linux users also can choose core components, such as which system displays graphics, and other user-interface components.
How was Linux created?
Linux was created in 1991 by Linus Torvalds, a then-student at the University of Helsinki. Torvalds built Linux as a free and open source alternative to Minix, another Unix clone that was predominantly used in academic settings. He originally intended to name it “Freax,” but the administrator of the server Torvalds used to distribute the original code named his directory “Linux” after a combination of Torvalds’ first name and the word Unix, and the name stuck.