MAX OS X and GCC Compiler - From the Apple Store!

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# 8  
Old 06-15-2001
I have not had the pleasure of building a OS X kernel myself, but I have checked out the operating system since reading this thread and I have to say I am as excited as Neo about this - if Apple take the correct approach and open the source to allow people from all over to modify and scale the operating system, this could be massive. However that is a big if - it has it's advantages and disadvantages to Apple, we're just going to have to wait and see.

On the scalability issue still, OS X Server seems to me to provide a fair amount, I think the figures were something like over 1,000 simultaneous user connections, 4,000 open files per process, and there is support for multiple 100Mbit NIC's - sounds like it is moving in the correct direction. However I don't think it's a good route for Apple to go down if it involved releasing a desktop OS X and a Server OS X, it sounds too much like Windows, and we all know that the scalability in that operating system is an addon, rather than intrinsic to the actual kernel as it is, and always has been, with UNIX.

Sounds like Neo is right - we have to hope Apple release the source. Other than that I'm off to look at prices of Mac's, this has got me more than a little interested Smilie

# 9  
Old 06-15-2001
More From Apple and MAC OS X.

I had the good luck of asking these questions with the 'Genius Bar' here at the Apple Store in Tysons. Here is the scoop on "openness":<P>

The core kernel for MAC OS X is Darwin and YES, it is opensource. It is extensible, expandable, scaleable. It is as much UNIX as any UNIX. In an nutshell, Apple has evolved to a UNIX core. The difference lies, primarily in the graphics and user interfaces.<P>

Command line Darwin is just like command line in any UNIX. You can rebuild the kernel, add revise drivers, etc. However, there are licensing issues with what you do for these in a commerical environment. For fun and for your company or for yourself, you can modify the kernel to your hearts content.<P>

The graphical user interface is Apple controlled (proprietary). In a traditional UNIX environment, think of this as replacing X (and X Windows, etc.) with the Apple graphics environment. This is what you pay, super programs like the MAC user interface (on top of the UNIX core Darwin), iMovies, Click-Time, etc. all on top of a multi-tasking, memory management, etc. UNIX core. <P>

In a nutshell, MAC OS X is the marriage of UNIX (the core open system) with Apple graphics (it is more complex than that, but that is the bird's eye view). If you love to run UNIX-based software, you can and you can do this side by side Apple graphics and applications. <P>

So, the core UNIX (Darwin) kernel is open and extensible. The MAC graphics and super desktop applications are not. This is a great marriage; UNIX at the core and Apple at the graphics, application level. That is it, in a nutshell. Smilie I'm more excited every time I play on OS X. I now plan to buy an OS X system and replace my Windows desktop completely with UNIX and Apple, running Microsoft applications like Word and Powerpoint in the Apple environment. This is promising and a giant leap for UNIX, IMHO.<P>
However, not sure about security, user management, logins, etc. Smilie Smilie The systems here boot without a login prompt. Will have to check into how OS X works in a multi-user environment. Still learning ......
# 10  
Old 06-15-2001
OK. Found out that MAC OS X out of the box in the store boots in autologin mode. However, this can all be changed and a multi-user environment can be set up, just like all flavors of UNIX. This can be done, from the command line or via the AQUA graphical interface. <P>

We are pretty luckly to have one of the first new Apple stores in Tysons Corner, VA!!
# 11  
Old 06-18-2001
Re: More From Apple and MAC OS X.

Originally posted by Neo
This is what you pay, super programs like the MAC user interface (on top of the UNIX core Darwin), iMovies, Click-Time, etc. all on top of a multi-tasking, memory management, etc. UNIX core.
I have never especially cared for the Mac UI, and I have yet to get the chance to use OS X. However, I hope the interface designers took some lessons from the QuickTime engineers in what <EM>not</EM> to do.

QuickTime 4.0 (on any platform) has to be about the worst UI design Apple has ever put out....

How much horsepower do you reasonably need to run OS X? What kind of prices are those machines going for these days?
# 12  
Old 06-18-2001
# 13  
Old 06-18-2001
Great article MIB, thanks!<P>

The downside of OS X, of course, is that it must run on expensive Apple native hardware (you can't run it on Intel, etc.). So, to 'bite the Apple' so to speak, quite a $$$ investment must be made.<P>
On the other side, it is the $$$$ investments that pay the programmers that develop super graphics and desktop business apps. The open-source model has not proven to be a winner in the desktop graphics and desktop business application area. <P>
Hence, I think Linux and other UNIX servers will continue to grow in the back-end server market where desktop graphics are not the core requirement. However, on the desktop, where folks need the power of business graphics, commerical office automation and multi-media software, the Apple desktop, combined with a UNIX OS, could prove to give Windows a serious challenge in many markets.<P>
One this is for sure, it will be very interesting to watch as things unfold this year and next!! Smilie
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