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Unlike its predecessor, macOS is a UNIX operating system built on technology that had been developed at NeXT through the second half of the 1980s and up until Apple purchased the company in early 1997. The operating system was first released in 1999 as Mac OS X Server 1.0, followed in March 2001 by a client version (Mac OS X v10.0 "Cheetah").
A Linux-based system is a modular Unix-like operating system, deriving much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel , the Linux kernel, which handles process control, networking, access to the peripherals , and file systems .
Android (operating system) Android is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen mobile devices such as smartphones and tablets. Android is developed by a consortium of developers known as the Open Handset Alliance, though its most widely used ...
This is the part of the operating system the user directly interacts with, it is considered an application and not system software. Utility software or system support programs. Some organizations use the term systems programmer to describe a job function that is more accurately termed systems administrator. Software tools these employees use ...
Because of its utility, it inspired many and later became one of the roots of the free software movement and open-source software. Numerous operating systems were based upon it including Minix, GNU/Linux, and the Berkeley Software Distribution. Apple's macOS is also based on Unix via NeXTSTEP [11] and FreeBSD.
Windows 10 is a major release of Microsoft 's Windows NT operating system. It is the direct successor to Windows 8.1, which was released nearly two years earlier. It was released to manufacturing on July 15, 2015, and later to retail on July 29, 2015. [20]
iOS. iOS (formerly iPhone OS) [10] is a mobile operating system developed by Apple exclusively for its smartphones. It was unveiled in January 2007 for the first-generation iPhone, [11] launched in June 2007. It is the operating system that powers many of the company's mobile devices, including the iPhone.
Microsoft Windows is a product line of proprietary graphical operating systems developed and marketed by Microsoft.It is grouped into families and sub-families that cater to particular sectors of the computing industry – Windows (unqualified) for a consumer or corporate workstation, Windows Server for a server and Windows IoT for an embedded system.