X86-64 operating systems

operating system created by Google for use on mobile devices

macOS (previously OS X and originally Mac OS X) is a proprietary Unix operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by Apple since 2001. It is the current operating system for Apple's line of Mac computers. Within the market of desktop and laptop computers, it is currently the second most widely used desktop OS, after Microsoft Windows and ahead of all Linux distributions, including ChromeOS and SteamOS. , the most recent release of macOS is macOS 26 Tahoe, the 22nd major version of macOS.

personal computer operating system by Microsoft that was released in 2009

personal computer operating system by Microsoft that was released in 2015

personal computer operating system by Microsoft that was released in 2007

personal computer operating system by Microsoft that was released in 2012

personal computer operating system by Microsoft released in 2021

FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD). The first version was released in 1993 developed from 386BSD, one of the first fully functional and free Unix clones on affordable home-class hardware, and has since continuously been the most commonly used BSD-derived operating system.

OpenBSD is a security-focused, free software, Unix-like operating system based on the Berkeley Software Distribution (BSD). Theo de Raadt created OpenBSD in 1995 by forking NetBSD 1.0. The OpenBSD project emphasizes portability, standardization, correctness, proactive security, and integrated cryptography.

Unix operating system originally developed by Sun Microsystems

ChromeOS (sometimes styled as chromeOS and formerly styled as Chrome OS) is a proprietary operating system designed and developed by Google. It is derived from the open-source operating system (which itself is derived from Gentoo Linux), and uses the Google Chrome web browser as its principal user interface.

personal computer operating system by Microsoft that was released in 2013

version of the Windows Server line of server operating systems, based on Windows XP

NetBSD is a free and open-source Unix-like operating system based on the Berkeley Software Distribution (BSD). It was the first open-source BSD descendant officially released after 386BSD was forked. It continues to be actively developed and is available for many platforms, including servers, desktops, handheld devices, and embedded systems.

version of the Windows Server line of server operating systems, based on Windows Vista and released in 2008

free/libre/open source operating system inspired by BeOS and compatible with its version 5

thumb|ReactOS 0.4.14 running the Firefox [[web browser]] ReactOS is a free and open-source operating system for i586/amd64 personal computers that is intended to be binary-compatible with computer programs and device drivers developed for Windows Server 2003 and later versions of Microsoft Windows. ReactOS has been noted as a potential open-source drop-in replacement for Windows and has been of interest for its information on undocumented Windows APIs.

general-purpose kernel suitable for the GNU operating system

OpenSolaris () is a discontinued open-source computer operating system for SPARC and x86 based systems, created by Sun Microsystems and based on Solaris. Its development began in the mid 2000s and ended in 2010.

Windows 8-based member of the Windows Server server operating systems line

operating system

OpenVMS, often referred to as just VMS, is a multi-user, multiprocessing and virtual memory-based operating system. It is designed to support time-sharing, batch processing, transaction processing and workstation applications. Customers using OpenVMS include banks and financial services, hospitals and healthcare, telecommunications operators, network information services, and industrial manufacturers. During the 1990s and 2000s, there were approximately half a million VMS systems in operation worldwide.

capability-based, real-time operating system (RTOS) being developed by Google

Tizen () is a Linux-based operating system primarily developed by Samsung Electronics and supported by the Linux Foundation.

eighth version of Windows Server, released in 2016

sixth major release of OS X

distributed operating system designed by Bell Labs as an UNIX's intended successor

eighth major release of Mac OS X

core Unix-like operating system of macOS, iOS, etc.

QNX ( or ) is a commercial Unix-like real-time operating system, aimed primarily at the embedded systems market.

seventh major release of OS X

version of the Windows Server line of server operating systems, based of Windows 7

2021 version of Windows Server OS by Microsoft

17th major version of the macOS operating system

MenuetOS is an operating system with a monolithic preemptive, real-time kernel written in FASM assembly language. The system also includes video drivers. It runs on 64-bit and 32-bit x86 architecture computers. Its author is Ville M. Turjanmaa. It has a graphical desktop, games, and networking abilities (TCP/IP stack). One distinctive feature is that it fits on one floppy disk.

ninth version of Windows Server, released in 2018

ninth major release of OS X

fifth major release of Mac OS X

TempleOS (formerly J Operating System, LoseThos, and SparrowOS) is a biblical-themed lightweight operating system (OS) designed to be the Third Temple from the Hebrew Bible. It was created by American computer programmer Terry A. Davis, who developed it alone over the course of a decade after a series of manic episodes that he later described as a revelation from God. TempleOS could be considered as an example of coding as an art form, with the nature of his psychological instability and its influence over the project lending to comparisons to similar outsider art (see also Creativity and ment

ChromiumOS (formerly styled as Chromium OS) is a free and open-source Linux distribution designed for running web applications and browsing the World Wide Web. It is the open-source version of ChromeOS, a Linux distribution made by Google.

VxWorks is a real-time operating system (or RTOS) developed as proprietary software by Wind River Systems, a subsidiary of Aptiv. First released in 1987, VxWorks is designed for use in embedded systems requiring real-time, deterministic performance and in many cases, safety and security certification for industries such as aerospace, defense, medical devices, industrial equipment, robotics, energy, transportation, network infrastructure, automotive, and consumer electronics.

operating system

tenth major release of OS X

twelfth major release of OS X

mobile phone Linux distribution

eleventh major release of OS X

13th major version of the macOS operating system

16th major version of the macOS operating system

22nd major version of the macOS operating system

19th major version of the macOS operating system

20th major version of the macOS operating system

14th major version of the macOS operating system

15th major version of the macOS operating system

18th major version of the macOS operating system

embedded operating system by Microsoft

11th major version of Windows Server, released in 2024

21st major version of the macOS operating system

an operating system derived from Windows Server 2003 for personal computers with the x64 CPU architecture

OpenIndiana is a free and open-source illumos distribution compatible with SPARC and x86-64 based computers. The project began in 2010, forked from OpenSolaris after OpenSolaris was discontinued by Oracle Corporation, and is hence descended from UNIX System V Release 4.

operating system