What is macOS? Last Updated : 27 May, 2024 Comments Improve Suggest changes Like Article Like Report macOS is built on a Unix based architecture and provides users with a reliable and user friendly experience. In this article, we will understand macOS in detail. What is macOS?macOS operating system that Apple Inc. developed especially for its Macintosh computer series. It is the replacement for the classic MacOS. The reliability, security features, ease of use, and compatibility with other Apple goods and services are all well known aspects of macOS. It include a number of built in programs are for a variety of functions, productivity, email, multimedia playing, and web browsing. History of macOSClassic Mac OS (1984 to 2001): MacOS is known as Classic Mac OS. it was the original operating system for Macintosh computers. It was recognized by its graphical user interface and components like the Macintosh desktop and Finder. Mac OS1 through Mac OS9 were among the versions.Mac OS X (2001 to 2012): Apple made the switch to a Unix based operating system in 2001 with the release of Mac OS X. This is significant improvements in security and performance were made with Mac OS X. It introduce features like the Dock and the Aqua user interface. Pre installed programs like Mail and Safari are also exist in this.macOS (2016 - present): In 2016, Apple rebranded its desktop operating system as macOS To better match the naming standards of its other platforms like iOS and watchOS. Frequent updates provide new features and upgrades for security measures. Features of macOSUser Friendly Interface: The window and menu that makeup macOS user friendly interface which make it simple to navigate and find the information you need.Built in Apps: In macOS so many apps are pre-installed like Mail for email and Photos for picture management. similarly, safari is used for online browsing is also pre installed in it.Integration with Other Apple Devices: macOS connects easily with other Apple devices, such as the iPad, iPhone, and others. Not only you can reply to messages and take calls, but you may even begin things on one device and complete them on another.Privacy and Security: macOS is designed with security and protecting your data from malware and viruses. By allowing you to choose which apps can access your data.Updates: By apple, New features like enhancements and security patches are frequently added to macOS through regular updates. These updates keep your Mac operating properly and are generally simple to apply.Accessibility: macOS includes features like VoiceOver for visually disabled users and Dictation for individuals who have trouble in typing.The Architecture of macOSHere's the key components and architecture of macOS: XNU is a hybrid kernel or Unix based kernel that serves as the foundation for macOS. It combine elements from FreeBSD with the Mach microkernel.macOS utilizes several frameworks for its graphical user interface (GUI). It includes Cocoa and Carbon.macOS has a window server process which responsible for managing windows, compositing graphics, handling input events, and coordinating with the graphics hardware. macOS uses metal framework for graphics rendering, which provides low level access to the GPU.macOS provides several security features to protect data and privacy.Advantages of macOSSecurity: macOS is less vulnerable to malware and security problems than other operating systems.Integration with Apple Devices: macOS has good interoperability with other Apple products, such as iPads and iPhones, enabling smooth tasks and data transfer.Multitasking: macOS has multitasking feature. which enables users to quickly and effortlessly switch between applications and complete tasks.Free Productivity Applications: macOS is pre installed with a number of useful free productivity apps.Long Life: macOS has been highly durable, with certain versions still receiving support years after they were first released.Good Performance: Fast boot speeds and seamless operation, even on outdated hardware, characterize Mac OS performance.Disadvantages of macOSHigh Cost: Compared to comparable Windows-based solutions, Mac goods are typically more expensive, which can be a deterrent for many customers.Limited Software Availability: Some users may find it aggravating since Mac OS supports fewer games and software programs than Windows.Lack of Hardware Customization: Those who want a more customized setup may find that macOS offers less choices for customizing hardware.Incompatible File System: Moving files between the two operating systems is challenging because the macOS file system is incompatible with Windows.Lack of Flexibility for Hardware Upgrades: It may be challenging to upgrade or fix Mac based systems due to the restricted alternatives for hardware upgrades. Comment More infoAdvertise with us Next Article C Programming Language Tutorial D divyageeksijqh Follow Improve Article Tags : Computer Subject Operating Systems Computer Basics Similar Reads Computer Fundamental Tutorial This Computer Fundamentals Tutorial covers everything from basic to advanced concepts, including computer hardware, software, operating systems, peripherals, etc. Whether you're a beginner or an experienced professional, this tutorial will enhance your computer skills and take them to the next level 5 min read FundamentalComputer HardwareComputer hardware refers to the physical components of a computer that you can see and touch. These components work together to process input and deliver output based on user instructions. In this article, we’ll explore the different types of computer hardware, their functions, and how they interact 10 min read What is a Computer Software?Computer Software serves as the backbone of all digital devices and systems. It is an integral part of modern technology. Unlike hardware which comprises physical components, software is intangible and exists as a code written in programming language. This article focuses on discussing computer soft 8 min read Central Processing Unit (CPU)The Central Processing Unit (CPU) is like the brain of a computer. It’s the part that does most of the thinking, calculating, and decision-making to make your computer work. Whether you’re playing a game, typing a school assignment, or watching a video, the CPU is busy handling all the instructions 7 min read Input DevicesInput devices are important parts of a computer that help us communicate with the system. These devices let us send data or commands to the computer, allowing it to process information and perform tasks. Simply put, an input device is any tool we use to give the computer instructions, whether it's t 11 min read What are Different Output Devices?Output devices are hardware that display or produce the results of a computer's processing. They convert digital data into formats we can see, hear, or touch. Examples include monitors, printers, and speakers. These devices are essential for helping us interact with and understand the information th 11 min read MemoryComputer MemoryComputer memory is just like the human brain. It is used to store data/information, and instructions. It is a data storage unit or a data storage device where data is to be processed, and instructions required for processing are stored. Both the input and output can be stored here.It's faster than s 9 min read What is a Storage Device? Definition, Types, ExamplesThe storage unit is a part of the computer system which is employed to store the information and instructions to be processed. A storage device is an integral part of the computer hardware which stores information/data to process the result of any computational work. Without a storage device, a comp 11 min read Primary MemoryPrimary storage or memory is also known as the main memory, which is the part of the computer that stores current data, programs, and instructions. Primary storage is stored in the motherboard which results in the data from and to primary storage can be read and written at a very good pace. What is 4 min read Secondary MemorySecondary memory, also known as secondary storage, refers to the storage devices and systems used to store data persistently, even when the computer is powered off. Unlike primary memory (RAM), which is fast and temporary, secondary memory is slower but offers much larger storage capacities. Some Ex 7 min read Hard Disk Drive (HDD) Secondary MemoryPrimary memory, like RAM, is limited and volatile, losing data when power is off. Secondary memory solves this by providing large, permanent storage for data and programs.A hard disk drive (HDD) is a fixed storage device inside a computer that is used for long-term data storage. Unlike RAM, HDDs ret 11 min read Application SoftwareMS Word Tutorial - Learn How to Use Microsoft Word (2025 Updated)Microsoft Word remains one of the most powerful and widely used tools for creating professional documents, reports, and presentations. Whether you're a student working on academic assignments, a professional preparing business reports, or someone looking to enhance their document formatting skills, 12 min read MS Excel Tutorial - Learn Excel Online FreeExcel, one of the powerful spreadsheet programs for managing large datasets, performing calculations, and creating visualizations for data analysis. Developed and introduced by Microsoft in 1985, Excel is mostly used in analysis, data entry, accounting, and many more data-driven tasks.Now, if you ar 11 min read What is a Web Browser and How does it Work?The web browser is an application software used to explore the World Wide Web (WWW). It acts as a platform that allows users to access information from the Internet by serving as an interface between the client (user) and the server. The browser sends requests to servers for web documents and servic 4 min read What is a Excel SpreadsheetIf you search only about Spreadsheet then you will find it is a computer applicaion that save, display, and manipulate data in rows and columns. In the year 1978 first spreadsheet program is developed by Daniel Bricklin and Bob Frankston named as VisiCalc. Now, in the recent year Microsoft Excel is 12 min read System SoftwareWhat is an Operating System?An Operating System is a System software that manages all the resources of the computing device. Acts as an interface between the software and different parts of the computer or the computer hardware. Manages the overall resources and operations of the computer. Controls and monitors the execution o 9 min read Windows 10 TutorialExplore our Free Windows 10 Tutorial to learn how to use Microsoft Operating System-Windows 10 remains one of the most widely used operating systems, offering a balance of performance, security, and user-friendly features. Whether you're a new user setting up your PC for the first time or someone lo 15+ min read Linux/Unix TutorialLinux is one of the most widely used open-source operating systems. It's fast, secure, stable, and powers everything from smartphones and servers to cloud platforms and IoT devices. Linux is especially popular among developers, system administrators, and DevOps professionals.Linux is:A Unix-like OS 10 min read Top 10 iOS App Development Tools That You Can ConsiderBusinesses know the importance of being in close proximity to their customers. And the closest thing to the customers today is their smartphones. Smartphones are also the means for businesses to get as close to customers as they possibly can. Mobile applications are the fastest way for businesses to 7 min read What is macOS?macOS is built on a Unix based architecture and provides users with a reliable and user friendly experience. In this article, we will understand macOS in detail. What is macOS?macOS operating system that Apple Inc. developed especially for its Macintosh computer series. It is the replacement for the 4 min read Programming LanguagesC Programming Language TutorialC is a general-purpose mid-level programming language developed by Dennis M. Ritchie at Bell Laboratories in 1972. It was initially used for the development of UNIX operating system, but it later became popular for a wide range of applications. Today, C remains one of the top three most widely used 5 min read Python Tutorial | Learn Python Programming LanguagePython Tutorial – Python is one of the most popular programming languages. It’s simple to use, packed with features and supported by a wide range of libraries and frameworks. Its clean syntax makes it beginner-friendly.Python is:A high-level language, used in web development, data science, automatio 10 min read Java TutorialJava is a high-level, object-oriented programming language used to build web apps, mobile applications, and enterprise software systems. It is known for its Write Once, Run Anywhere capability, which means code written in Java can run on any device that supports the Java Virtual Machine (JVM).Java s 10 min read JavaScript TutorialJavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded programming language. It's an interpreted language that executes code line by line, providing more flexibility.JavaScript on Client Side: On the client side, Jav 11 min read Like