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Comparison of operating systems. Comparison of Linux distributions. Comparison of BSD operating systems. Comparison of kernels. Comparison of file systems. Comparison of platform virtualization software. Comparison of DOS operating systems. List of operating systems. Live CD.
XNU ("X is Not Unix") is the computer operating system (OS) kernel developed at Apple Inc. since December 1996 for use in the Mac OS X (now macOS) operating system and released as free and open-source software as part of the Darwin OS, which, in addition to being the basis for macOS, is also the basis for Apple TV Software, iOS, iPadOS, watchOS, visionOS, and tvOS.
The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, AT&T Bell Labs, and General Electric were jointly developing an experimental time-sharing operating system called Multics for the GE-645 mainframe. [ 1] Multics introduced many innovations, but also had many problems.
Mac OS X Public Beta – code name Kodiak. Mac OS X 10.0 – code name Cheetah. Mac OS X 10.1 – code name Puma. Mac OS X 10.2 – also marketed as Jaguar. Mac OS X Panther – 10.3. Mac OS X Tiger – 10.4. Mac OS X Leopard – 10.5. Mac OS X Snow Leopard – 10.6. Mac OS X Lion – 10.7 – also marketed as OS X Lion.
The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes servers, mainframes and supercomputers . Because of the large number and variety of available Linux distributions, they are all grouped under a single entry; see comparison of Linux distributions for a detailed ...
FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD). The first version of FreeBSD was released in 1993 developed from 386BSD [3] and the current version runs on IA-32, x86-64, ARM, PowerPC and RISC-V processors. The project is supported and promoted by the FreeBSD Foundation.
Open-source software(OSS) is computer softwarethat is released under a licensein which the copyrightholder grants users the rights to use, study, change, and distribute the softwareand its source codeto anyone and for any purpose. [1][2]Open-source software may be developed in a collaborative, public manner.
The classic Mac OS is the original Macintosh operating system introduced in 1984 alongside the first Macintosh and remained in primary use on Macs until Mac OS X in 2001. [ 6 ] [ 7 ] Apple released the original Macintosh on January 24, 1984; its early system software is partially based on Lisa OS , and inspired by the Alto computer, which ...