Smith Micro Software released StuffIt Deluxe® 2011 this week. If you don’t know StuffIt Deluxe®, it is described like this:
The StuffIt Deluxe® package gives you all the features you need to backup, share, archive, encrypt and shrink your photos, music, and other documents without compromising quality. StuffIt’s advanced technology specializes in the compression of MP3, PDF and graphics files with no quality loss. Shrink documents up to 98% of their original size. Use StuffIt to free-up space on your computer and to fit more compressed files onto CD/DVDs or other drives.
It might be useful in some cases to know if the MacOS kernel is running in the 32-bit or 64-bit (K64) mode. This is useful for example if you write an application like ‘System Profiler’ that displays the details of the currently running system:
As you know, it is possible to force an Universal Binary (ppc, i386, x86_64) to run in 32-bit mode (i386) even if the machine could run x86_64 binaries.