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  2. List of Unix systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Unix_systems

    Below are other certified Unix operating systems: [4] macOS: Heavily based on BSD, macOS is registered as certified Unix 03 brand on both versions (Intel and Apple silicon-based). SCO OpenServer: Another operating system by SCO. Registered as Unix 93 “single and Multi-processor Industry Standard Intel architecture platform”.

  3. List of operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_operating_systems

    UNIX Time-Sharing System v7 (It is from Version 7 Unix (and, to an extent, its descendants listed below) that almost all Unix-based and Unix-like operating systems descend.) Unix System III; Unix System IV; Unix System V. Unix System V Releases 2.0, 3.0, 3.2, 4.0, and 4.2; UNIX Time-Sharing System v8; UNIX Time-Sharing System v9; UNIX Time ...

  4. Unix - Wikipedia

    en.wikipedia.org/wiki/Unix

    The Unix system is composed of several components that were originally packaged together. By including the development environment, libraries, documents and the portable, modifiable source code for all of these components, in addition to the kernel of an operating system, Unix was a self-contained software system. This was one of the key ...

  5. Comparison of real-time operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_real-time...

    This is a list of real-time operating systems (RTOSs). This is an operating system in which the time taken to process an input stimulus is less than the time lapsed until the next input stimulus of the same type.

  6. Unix-like - Wikipedia

    en.wikipedia.org/wiki/Unix-like

    Evolution of Unix and Unix-like systems, starting in 1969. A Unix-like (sometimes referred to as UN*X, *nix or *NIX) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification.

  7. Timeline of operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_operating_systems

    Concise Microsoft O.S. Timeline – a color-coded concise timeline for various Microsoft operating systems (1981–present) Bitsavers – an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 1950s, 1960s, 1970s, and 1980s

  8. List of Linux distributions - Wikipedia

    en.wikipedia.org/wiki/List_of_Linux_distributions

    This is an accepted version of this page This is the latest accepted revision, reviewed on 20 February 2025. List of software distributions using the Linux kernel This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this ...

  9. List of BSD operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_BSD_operating_systems

    ekkoBSD was a Unix-like operating system based on OpenBSD 3.3, also incorporating code from other BSD-like operating systems. Its focus was on security and easy administration. EmBSD FabBSD OpenBSD fork with main application in CNC field. It is almost inactive. FuguIta: Providing both LiveDVD and LiveUSB for i386/amd64/arm64. Highly ...