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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Half of those are Unix-like. Don’t forget what GNU stands for (literally, not philosophically)!
To be fair, iirc, macOS is certified UNIX despite having the XNU kernel which stands for X is Not UNIX.
Certified? Are you saying it’s POSIX?
Yes, they payed for it.
Ew. I need to wash myself.
No, it’s not unix. None of the systems in the meme are actually unix.
Linux is unix-like, made initially by 1 guy who just so happened to base it around another unix-like OS and has quite literally nothing to do with unix
BSD has no original AT&T unix code and while it does work in similar ways, it is still not unix
Windows is windows… The closest thing it has ever gotten to unix is the Windows Services for UNIX, which literally only existed so that M$ could claim POSIX compliance and get a lot of government money…
spoiler
I sound like a fcking loser omg
Windows was this close to be Unix. Windows was POSIX.1-compliant, and Windows Service for UNIX was also a thing.
That is Windows NT personalities. It was originally able to run OS/2 stuff too. Doesn’t really make NT a UNIX. Note: They used this stuff for WSLv1, but it was slow and had same issue as WINE. Swapping underlying implementation brings out bugs of the software above.
I’m more of a “if it swims like a duck, quacks like a duck, then it’s a duck” kind of guy.
That is a low bar for duckdom.
duckdom
I never thought I’d find a duck with a whip attractive, but here we are…
Nah, Windows is the weird one.
And it should be Unix-like.
Two of those things are not Unix.
The astronauts and windows?
Always has been.
MacOS was not Unix based until OSX (10). MacOS 9 and prior were based on the classic Macintosh kernel.
“macOS” is not the same as “Mac OS”!
“Mac OS X” was rebranded to “macOS” (or rather, “macOS” is the successor to “Mac OS X”, but really just is the same but newer, the “upgrade” was just like any other update between Mac OS X versions afaik), and “Mac OS 9” does not belong to “macOS”.
IIRC Mac OS X was changed to OS X before it was changed to macOS. Not that it matters here
Edit: 10.0 to 10.7 were Mac OS X, 10.8 to 10.11 was OS X, 10.12 and later macOS.
Linux is unix-like, and not from the same family really. ChromeOS is based on linux, so similarly unix-like. Mac is Darwin, which is actually unix. Also all BSDs are unix
BSD is also unix-like. Quoting OpenBSD, “[OpenBSD] produces a FREE , multi-platform 4.4BSD-based UNIX-like operating system.”
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”.
UNIX™ 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.
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. 😵💫
