Main differences between BSD and SysV?

Main differences between BSD and SysV?

Post by na.. » Tue, 19 Sep 2000 04:00:00



Recently I was asked what the main differences between the BSD and SysV
kernels. I responded by stating that most modern unix implementations
are BSD based and quoted sockets, signals and IPC.

Are there major differences between SysV and BSD kernels? (STREAMS I/O?)

Forgive me if the question is worded "funny".

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Main differences between BSD and SysV?

Post by Doug McInty » Wed, 20 Sep 2000 13:07:13



>Recently I was asked what the main differences between the BSD and SysV
>kernels. I responded by stating that most modern unix implementations
>are BSD based and quoted sockets, signals and IPC.
>Are there major differences between SysV and BSD kernels? (STREAMS I/O?)

There's not much difference since SysVr4 and BSD 4.4. (ie. first half
the 90's). Now-a-days, most of the differences are differences in
implementations rather than fundemental differences and features that
each kernel would provide. Both SysVr4 and BSD kernels will get the
job done, its really more of how things are done internally.

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1. What's the difference between SYSV and BSD?

   Hi news readers:

        I have a question. I hope I can get your help. Well, I know that there's
   a lot of differeces between BSD unix and SYSV unix. But it seems that I can
   not find out what exactly the differences are. All I can see are that some
   commands and function calls are different from the other and maybe the
   networking method is different ( one is using socket and the other streams).
   But what else are they behave differetly? Which one is the better choice?
   I know that there are a lot of versions in BSD as well as in SYSV. Maybe I
   should limit the versions to BSD 4.2, 4.3 and SYSV 3.2, 4.0. So, can anyone
   mail me or post on news about this issue. I will summarize them and post
   it back to the newsgroup.    Thanks in advance.

                                                        Joe Wang
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