Operating System

  macOS macOS is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and laptop computers it is the second most widely used desktop OS, after Microsoft Windows and ahead of ChromeOS. D efault user interface :  Aqua (Graphical user interface) Initial release date :  24 March 2001 Developer :  Apple Original author :  Apple Latest release :  12.5 (21G72) (July 20, 2022; 9 days ago) Programming languages :  C++, Swift, Objective-C, Assembly language OS family :  Unix, Macintosh operating systems General Requirements OS X 10.9 or later. 4GB of memory. 12.5GB of available storage (OS X El Capitan 10.11.5 or later)* Some features require an Apple ID; terms apply. Some features require a compatible internet service provider; fees may apply.

 UBUNTU   Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source software. Ubuntu is officially released in three editions: Desktop, Server, and Core for Internet of things devices and robots. All the editions can run on the computer alone, or in a virtual machine. Repository :  code.launchpad.net/ubuntu Package manager :  GNOME Software, dpkg (APT), Snap, Flatpak – graphical front-end: Snap Store Latest release :  Ubuntu 22.04 (Jammy Jellyfish) / 21 April 2022 (3 months ago) Developer :  Canonical Ltd. License :  Free software + some proprietary device drivers Initial release :  Ubuntu 4.10 (Warty Warthog) / 20 October 2004 (17 years ago) Platforms :  x86-64; ARM64; RISC-V; ppc64le (POWER8 and later); s390x; ARMhf (ARMv7 + VFPv3-D16).

  WINDOWS 11   Windows 11 is the latest major release of Microsoft's Windows NT operating system, released in October 2021. It is a free upgrade to its predecessor, Windows 10, available for any Windows 10 devices that meet the new Windows 11 system requirement. System requirements Windows 11 Minimum Hardware Requirements Processor – 1 gigahertz (GHz) or faster with 2 or more cores on a compatible 64-bit processor or System on a Chip (SoC) Memory – 4 gigabyte (GB) Storage – 64 GB or larger storage device. System Firmware – UEFI, Secure Boot Capable. TPM – Trusted Platform Module (TPM) version 2.0. Users can download Windows 11 the same way you'd get any new version of Windows. Just  go to Settings > Update & Security > Windows Update and click Check for Updates.   You'll see Feature update to Windows 11.   Click Download and install . Hardware requirements Processor: 1 gigahertz (GHz) or faster with two or more cores on a compatible 64-bit processor or system on a

 Operating System  what is an operating system An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs Types of operating system Microsoft Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. Active Windows families include Windows NT and Windows IoT; these may encompass subfamilies Linux 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. macOS macOS is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and laptop computers it is the second most widely used desktop OS, after Microso