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78 relations: A/UX, Apple Inc., Apple Public Source License, Apple TV, Application programming interface, ARM architecture, Ars Technica, Berkeley Software Distribution, C (programming language), C++, Carnegie Mellon University, Critical section, Darwin (operating system), Device driver, Direct memory access, Embedded C++, Free and open-source software, FreeBSD, GitHub, Graphics processing unit, HFS Plus, Hierarchical File System, HomePod, Host controller interface (USB, Firewire), Hybrid kernel, I/O Kit, IA-32, IEEE 1394, Inter-process communication, IOS, Journaling file system, Kernel (operating system), Linearizability, Linux, Loadable kernel module, Mac OS X Lion, Mac OS X Snow Leopard, Mac Pro, Mach (kernel), MacOS, Mandatory access control, Memory protection, Message passing, Microkernel, MkLinux, Monolithic kernel, Multiprocessing, Mutual exclusion, Network File System, NeXT, ..., NeXTSTEP, Object-oriented programming, Objective-C, Open-source software, Operating system, Parallels Desktop for Mac, POSIX, PowerPC, Protocol stack, Serializing tokens, Spinlock, Symmetric multiprocessing, Tru64 UNIX, TvOS, Unix, UNIX System V, Unix-like, USB, User space, Virtual file system, Virtual machine, VirtualBox, VMware Fusion, WatchOS, X86-64, Xserve, 32-bit, 64-bit computing. Expand index (28 more) »
A/UX
A/UX is a discontinued Apple Computer implementation of the Unix operating system for some of its Macintosh computers.
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Apple Inc.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
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Apple Public Source License
The Apple Public Source License is the open-source and free software license under which Apple's Darwin operating system was released.
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Apple TV
Apple TV is a digital media player and microconsole developed and sold by Apple Inc. It is a small network appliance and entertainment device that can receive digital data from a number of sources and stream to a capable television.
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Application programming interface
In computer programming, an application programming interface (API) is a set of subroutine definitions, protocols, and tools for building software.
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ARM architecture
ARM, previously Advanced RISC Machine, originally Acorn RISC Machine, is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments.
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Ars Technica
Ars Technica (a Latin-derived term that the site translates as the "art of technology") is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.
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Berkeley Software Distribution
Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.
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C (programming language)
C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.
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C++
C++ ("see plus plus") is a general-purpose programming language.
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Carnegie Mellon University
Carnegie Mellon University (commonly known as CMU) is a private research university in Pittsburgh, Pennsylvania.
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Critical section
In concurrent programming, concurrent accesses to shared resources can lead to unexpected or erroneous behavior, so parts of the program where the shared resource is accessed are protected.
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Darwin (operating system)
Darwin is an open-source Unix operating system first released by Apple Inc. in 2000.
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Device driver
In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.
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Direct memory access
Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory (Random-access memory), independent of the central processing unit (CPU).
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Embedded C++
Embedded C++ (EC++) is a dialect of the C++ programming language for embedded systems.
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Free and open-source software
Free and open-source software (FOSS) is software that can be classified as both free software and open-source software.
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FreeBSD
FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).
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GitHub
GitHub Inc. is a web-based hosting service for version control using Git.
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Graphics processing unit
A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.
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HFS Plus
HFS Plus or HFS+ is a file system developed by Apple Inc. It replaced the Hierarchical File System (HFS) as the primary file system of Apple computers with the 1998 release of Mac OS 8.1.
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Hierarchical File System
Hierarchical File System (HFS) is a proprietary file system developed by Apple Inc. for use in computer systems running Mac OS.
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HomePod
HomePod is a smart speaker developed by Apple Inc. It was announced on June 5, 2017, at the Apple Worldwide Developers Conference, and originally scheduled for release in December 2017.
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Host controller interface (USB, Firewire)
A host controller interface (HCI) is a register-level interface that enables a host controller for USB or IEEE 1394 hardware to communicate with a host controller driver in software.
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Hybrid kernel
A hybrid kernel is an operating system kernel architecture that attempts to combine aspects and benefits of microkernel and monolithic kernel architectures used in computer operating systems.
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I/O Kit
The I/O Kit (written as IOKit in source code and sometimes elsewhere) is an open-source framework in the XNU kernel that helps developers code device drivers for Apple's macOS and iOS operating systems.
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IA-32
IA-32 (short for "Intel Architecture, 32-bit", sometimes also called i386) is the 32-bit version of the x86 instruction set architecture, first implemented in the Intel 80386 microprocessors in 1985.
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IEEE 1394
IEEE 1394 is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer.
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Inter-process communication
In computer science, inter-process communication or interprocess communication (IPC) refers specifically to the mechanisms an operating system provides to allow the processes to manage shared data.
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IOS
iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
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Journaling file system
A journaling file system is a file system that keeps track of changes not yet committed to the file system's main part by recording the intentions of such changes in a data structure known as a "journal", which is usually a circular log.
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Kernel (operating system)
The kernel is a computer program that is the core of a computer's operating system, with complete control over everything in the system.
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Linearizability
In concurrent programming, an operation (or set of operations) is atomic, linearizable, indivisible or uninterruptible if it appears to the rest of the system to occur at once without being interrupted.
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Linux
Linux is a family of free and open-source software operating systems built around the Linux kernel.
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Loadable kernel module
In computing, a loadable kernel module (LKM) is an object file that contains code to extend the running kernel, or so-called base kernel, of an operating system.
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Mac OS X Lion
Mac OS X Lion (version 10.7) is the eighth major release of Mac OS X (now named macOS), Apple's desktop and server operating system for Macintosh computers.
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Mac OS X Snow Leopard
Mac OS X Snow Leopard (version 10.6) is the seventh major release of Mac OS X (now named macOS), Apple's desktop and server operating system for Macintosh computers.
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Mac Pro
The Mac Pro is a series of workstation and server computers designed, manufactured and sold by Apple Inc. since 2006.
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Mach (kernel)
Mach is a kernel developed at Carnegie Mellon University to support operating system research, primarily distributed and parallel computing.
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MacOS
macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.
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Mandatory access control
In computer security, mandatory access control (MAC) refers to a type of access control by which the operating system constrains the ability of a subject or initiator to access or generally perform some sort of operation on an object or target.
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Memory protection
Memory protection is a way to control memory access rights on a computer, and is a part of most modern instruction set architectures and operating systems.
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Message passing
In computer science, message passing is a technique for invoking behavior (i.e., running a program) on a computer.
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Microkernel
In computer science, a microkernel (also known as μ-kernel) is the near-minimum amount of software that can provide the mechanisms needed to implement an operating system (OS).
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MkLinux
MkLinux is an open source computer operating system started by the Open Software Foundation Research Institute and Apple Computer in February 1996 to port Linux to the PowerPC platform, and Macintosh computers.
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Monolithic kernel
A monolithic kernel is an operating system architecture where the entire operating system is working in kernel space and is alone in supervisor mode.
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Multiprocessing
Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system.
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Mutual exclusion
In computer science, mutual exclusion is a property of concurrency control, which is instituted for the purpose of preventing race conditions; it is the requirement that one thread of execution never enter its critical section at the same time that another concurrent thread of execution enters its own critical section.
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Network File System
Network File System (NFS) is a distributed file system protocol originally developed by Sun Microsystems in 1984, allowing a user on a client computer to access files over a computer network much like local storage is accessed.
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NeXT
NeXT (later NeXT Computer and NeXT Software) was an American computer and software company founded in 1985 by Apple Computer co-founder Steve Jobs.
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NeXTSTEP
NeXTSTEP is a discontinued object-oriented, multitasking operating system based on UNIX.
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Object-oriented programming
Object-oriented programming (OOP) is a programming paradigm based on the concept of "objects", which may contain data, in the form of fields, often known as attributes; and code, in the form of procedures, often known as methods. A feature of objects is that an object's procedures can access and often modify the data fields of the object with which they are associated (objects have a notion of "this" or "self").
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Objective-C
Objective-C is a general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.
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Open-source software
Open-source software (OSS) is a type of computer software whose source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.
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Operating system
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
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Parallels Desktop for Mac
Parallels Desktop for Mac, by Parallels, is software providing hardware virtualization for Macintosh computers with Intel processors.
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POSIX
The Portable Operating System Interface (POSIX) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems.
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PowerPC
PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computing (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM.
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Protocol stack
The protocol stack or network stack is an implementation of a computer networking protocol suite or protocol family.
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Serializing tokens
In computer science, serializing tokens are a concept in concurrency control arising from the ongoing development of DragonFly BSD.
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Spinlock
In software engineering, a spinlock is a lock which causes a thread trying to acquire it to simply wait in a loop ("spin") while repeatedly checking if the lock is available.
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Symmetric multiprocessing
Symmetric multiprocessing (SMP) involves a multiprocessor computer hardware and software architecture where two or more identical processors are connected to a single, shared main memory, have full access to all input and output devices, and are controlled by a single operating system instance that treats all processors equally, reserving none for special purposes.
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Tru64 UNIX
Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP).
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TvOS
tvOS is an operating system developed by Apple Inc. for the fourth-generation and later Apple TV digital media player.
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Unix
Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
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UNIX System V
UNIX System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system.
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Unix-like
A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.
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USB
USB (abbreviation of Universal Serial Bus), is an industry standard that was developed to define cables, connectors and protocols for connection, communication, and power supply between personal computers and their peripheral devices.
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User space
A modern computer operating system usually segregates virtual memory into kernel space and user space.
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Virtual file system
A Virtual File System (VFS) or virtual filesystem switch is an abstraction layer on top of a more concrete file system.
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Virtual machine
In computing, a virtual machine (VM) is an emulation of a computer system.
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VirtualBox
Oracle VM VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox) is a free and open-source hypervisor for x86 computers currently being developed by Oracle Corporation.
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VMware Fusion
VMware Fusion is a software hypervisor developed by VMware for Macintosh computers.
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WatchOS
watchOS is the mobile operating system of the Apple Watch, developed by Apple Inc. It is based on the iOS operating system and has many similar features.
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X86-64
x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.
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Xserve
Xserve is a line of rack unit computers designed by Apple Inc. for use as servers.
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32-bit
32-bit microcomputers are computers in which 32-bit microprocessors are the norm.
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64-bit computing
In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).
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References
[1] https://en.wikipedia.org/wiki/XNU
