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Based on recent feedback from readers, I think the following points
covered in our last article are worth
noting.
15. DLL libraries on Windows cause problems.
Several readers, including Greg Weston, pointed out that my
comparison of DLL problems to Mac OS extension conflicts was comparing
apples to oranges. Extensions add functions to the system software,
whereas DLL (dynamic link libraries) are resources shared between
programs and the operating system. However, they also stated, my error
did not negate the Mac advantage, as Greg Weston explains:
While this statement is true, it's not an analogous situation. Mac
OS extensions - the troublesome ones - are patches to the OS. The
talking point discusses some relative weaknesses in the Windows shared
library mechanism. Apple's shared library mechanism is very robust. I
wish other systems had the powerful versioning mechanism Apple
offers.
Advantage: Macintosh.
20. Ease of adding peripherals.
Because of their experiences in attempting to add multiple USB
devices to PCs, several readers said I was off the mark in neutralizing
the Mac advantage here. Apparently PCs with multiple USB devices can
still have major driver conflicts, and the inherent limit to multiple
devices in the USB standard does not negate the problems Windows itself
has handling multiple peripherals. Frankly, this has not been something
I have observed in my limited experience adding USB peripherals to PCs,
but lacking further data, it would seem reasonable to add that
advantage back in - not because ADB was bad and good riddance, but
because Apple's implementation of USB seems to be easier to use in
practice.
As several readers, including John Balint and Donald Michael Kraig,
pointed out, on a Mac you add a driver for the new device, reboot, and
go. On a PC, you have to run an installer program, which may detect a
conflict, and then the game's afoot and good luck. Often you can only
use one USB input device at a time on a PC.
John Balint even reported that installing a Microsoft Intellimouse
was easier on his G4 than on his PC!
Advantage: Macintosh.
22. Aliases work better on a Mac.
I must have been asleep at the wheel here, too, because my
understanding of aliases was way off the mark. I tested many of the
other items on the list before committing to a position, but I figured
I understood how aliases worked on the Mac.
Well, they say it takes a big man to admit his mistakes, and so I'm
living large these days.
François Lorrain writes:
I am not sure I understand what you mean here. Suppose you have an
alias for an application. Suppose this application is on volume XXX.
Then moving the application to any other place on the same volume XXX
will not break the alias. Of course, if you copy the application
anywhere and delete the original application, then the alias will be
broken! So Mac aliases keep track of where the application is on one
given volume, but not of where it is copied (whether on the same volume
or on another). Of course you must know all this, but what you wrote
did not make this clear.
A quick and simple experiment bears this out. Windows at first
glance functions in much the same way. Moving the original application
on the same hard drive to a different folder had the same effect as it
did with Mac OS; Windows searched for and found the application and
started it.
On the other hand, moving (not copying, but moving) an application
to a shared folder on the network broke the alias.
The advantage remains with Macintosh.
Jeff Adkins is a science teacher who isn't afraid to state his preferences in computing platforms. In his classroom he has everything from a beige All-in-One to a a G4 XServe, and they all work together nicely. He calls himself the "poster child for technology integration" in the classroom. He was the 2006 Outstanding Educator of the Year for the California Computer Using Educators (CUE) organization. He also maintains a site for astronomy teachers at www.AstronomyTeacher.com.
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List of the Day: G4 'Books an email list for G4 iBooks and PowerBooks.
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Psystar Strikes Back, Countersues Apple, Frank Fox, Stop the Noiz, 09.03.
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