Normally, if you took an older (PowerPC) application and tried to run it on a newer (Intel) machine, it simply wouldn't work. If it only says "Kind: Application" then you'll need to use the System Profiler as I describe below.Ģ. How can you find out the type of a given application? In the Finder, select the application, do File->Get Info, and look at its "Kind" for one of the adjectives above. "Universal": Applications that run on both PowerPC and Intel CPUs."Intel": Applications written for Macintoshes with Intel CPU chips, manufactured starting in 2006."PowerPC": Applications written for older Macintoshes with PowerPC CPU chips, manufactured from 1996 to 2005.However, if you use 10.5 or later the Classic environment is gone, so you've already stopped using these applications. If you use Mac OS X 10.4 or earlier, you might still be using some of these applications within the "Classic" environment that emulates Mac OS 9 in OS X. "Classic": Applications written for older Macintoshes that ran Mac OS 9 or earlier, the last one was manufactured in 2006. There are four kinds of Macintosh applications (programs): To understand this problem there are two things you need to know:ġ. Problem #1: Some of the programs you depend upon every day may not work under Lion Read about the problems below and, as with any computer upgrade, plan carefully before you take on such a major change. In my opinion you should ignore the publicity and not upgrade to Lion right now. It's currently only available as an optional upgrade to Mac OS X 10.6 ("Snow Leopard"), which you can purchase either as a download from Apple's "Mac App Store" or on the "OS X Lion USB Thumb Drive." In other words, at this point new Macintoshes will still ship with 10.6 pre-installed until Apple eventually switches its production line to 10.7 or its successor. The good news is that you probably won't have to worry about 10.7 for a while. Both of these will negatively affect me when 10.6 is no longer viable and I'm forced to upgrade, and it's likely that one or both of them will ultimately affect you as well. In July 2011, Apple released a new version of the Macintosh operating system, Mac OS X 10.7, also known as "Lion." While Apple and most of the technology press are enthusiastically praising its new (and not-so-new) features, when I looked into it I noticed two very serious problems. I will be writing about problems with Windows upgrades soon. If you're a Microsoft Windows user and aren't interested in Macintosh, you can skip this. Please note: This newsletter focuses on Macintosh problems caused by a recently-announced software upgrade.
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