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Old 01-24-2004, 08:17 AM   #1
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BSD vs SysV

Whats the difference between BSD and SysV?
Is it only in the boot process?

Old 01-25-2004, 09:07 AM   #2
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Theoretically, there are many different things between SysV and BSD. However, in practice almost all systems now use what they deem to be the best parts of both systems. You will probably still see many things with BSD and SysV prepended in reference (ie, sysv ipc, bsd sockets, etc). Each system had it's own idiosyncracies both in the userland and kernel. In everyday use, apart from the odd option being different and naming conventions (eg, eth# versus <driver name>#), you will not really notice much which you are using - this is very true when you consider Linux and {Free,Open,Net}BSD.
Old 01-27-2004, 03:42 PM   #3
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I have to agree. For the most part you will not notice any real difference as a user. There are some minor things that you will run into when working but usually they aren't things you do everyday and are easy to solve. I remember when I moved from Linux to FreeBSD... I tried to `su` and it would not allow me to! The BSDs usually require a person to be in the wheel group to `su`. Another layer of security or something. That confused me for a second. Also, you will see that some of the flags for files are different on BSDs than on SysV... but nothing horrible. The worst you will ever have to do is check a man page to get the right letter.

I know that Linux isn't pure SysV and the *BSDs aren't pure either... but nothing is 100% pure. Like cjcuk said, "... in practice almost all systems now use what they deem to be the best parts of both systems."


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