What’s the general opinion on the BSDs? Are they just Unix-Like (like Linux), or are they really Unix?
Some call them “heritage Unix”, because, although they no longer contain a single line of AT&T code (and haven’t for over 40 years), they were ultimately derived from the original Unix.
This is a bit tongue-in-cheek, because I wonder, if you consider BSD to be “true Unix”, what other “Unix-like” operating system besides Linux kernel-based systems there are. Or are “real” Unices also considered “unix-like”?
As an aside, what about macOS, if you use the command line a lot?
It’s more Unix like than Linux. It’s sticks to the Unix philosophies more than Linux does. MacOS is basically a modded version of FreeBSD with a DE.
macOS is also a certified UNIX according to the Open Group:
https://www.opengroup.org/openbrand/register/
All BSD flavours are as far as I know.
Nah, UNIX certification requires paying money and almost all of the BSD spins said “That’s dumb, we barely have money as it is”
Smart choice. I didn’t know that, thought it was free, cuz I think I read somewhere that all were certified… I guess I remembered wrong. It was probably about something esle.
The list of “certified” UNIXes is pretty limited. The referenced site only lists like 7 UNIX versions as certified and don’t mention FreeBSD, OpenBSD, NetBSD or DragonFlyBSD, just stuff like AIX, SCO, IBM z/OS and HP-UX in addition to macOS.
Hm, I thought all of them were… maybe there’s a process and it takes time and money. From what I can see, all of those are proprietary and commercial.
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