I don't want to start one of these endless discussions...
I read a several places that people think that Windows (2000/XP) is "a form of" Unix. E.g. in
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http://dailynews.yahoo.com/h/nm/20010506/bs/microsoft_apple_dc_1.html
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a guy from some technology consultancy claims that "The Windows 2000 (news - web sites) core and (OS X's) Unix core have a lot more similarity than the old Mac OS did with Windows" - what ever this means...
[OK, it's comparative, so OS X is closer...]
As far as I know the origin of Windows 2000/XP is OpenVMS from Digital Equipment Corporation. Thus Windows NT/2000/XP is _NOT_ that close to Unix.
Am I right?
I think that it is one of the biggest advantage of OS X that the OS X core is very close to Solaris and Linux. Porting applications whithin the triangle MacOS X - Solaris - Linux is easy. Thus OS X _could_ benefit form the professional server stuff running on Solaris and the OpenSource power...
Christian