this post was submitted on 03 May 2024
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Yes, it is all Unix (feddit.nl)
submitted 2 months ago by [email protected] to c/linuxmemes
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Alt text: meme with the 'Always has been' format Linux, MacOS, OpenBSD and ChromeOS logos on top of the Earth The first astronaut says 'Wait, it's all Unix?' A Windows logo, on top of the second astronaut. The second astronaut says 'Always has been' and points a gun to the first astronaut.

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[–] clubb 32 points 2 months ago* (last edited 2 months ago) (2 children)

BSD is also unix-like. Quoting OpenBSD, "[OpenBSD] produces a FREE , multi-platform 4.4BSD-based UNIX-like operating system."

[–] Rustmilian 13 points 2 months ago* (last edited 2 months ago) (1 children)

The OG Berkeley Software Distribution (BSD) is a direct descendant of Unix. I personally wouldn't qualify this particular version as a "Unix-like".

[–] [email protected] 5 points 2 months ago* (last edited 2 months ago) (1 children)

Yeah, reading these comments, it looks like they are not legally able to call it unix, despite having direct lineage. Linux however is a complete re-write, making it more obviously not proper unix by most definitions.

[–] [email protected] 3 points 2 months ago

That's because UNIX is a trademark and OS vendors will have to pay fees to opengroup.org in order to call their OS Unix.

[–] [email protected] 12 points 2 months ago (1 children)

Nice to know, I've always thought BSD is actually UNIX.

The BSD variants are descendants of UNIX developed by the University of California at Berkeley, with UNIX source code from Bell Labs. However, the BSD code base has evolved since then, replacing all the AT&T code. Since the BSD variants are not certified as compliant with the Single UNIX Specification, they are referred to as "UNIX-like" rather than "UNIX".

[–] [email protected] 6 points 2 months ago (1 children)

UNIX(tm) is a trademark name (Think of e.g. IBM AIX, HP-UX, SunOS). Linux and BSD are Unix alike. I believe that Apple has made an effort to be entitled to call an OS of theirs UNIX, not sure whether it's Darwin or something else.

[–] [email protected] 9 points 2 months ago

UNIX is trademarked by 'The Open Group', Unix is not. 🙃

To make things more confusing, according to German Wikipedia, Unix is used for Unix-like OSes which are not officially UNIX-certified. 😵‍💫