You're probably aware that 64-bit and 32-bit versions of your operating system exist, but apart from ascribing to a bigger-is-better philosophy, you may have no idea ...

One of the common choices today is whether to run a 32-bit or 64-bit operating system on desktop machines. Since 32-bit operating systems have been in production for many years, 32-bit still seems to ...

Snow Leopard's across-the-board leap to 64-bits, from the kernel to all of its bundled apps, will make more memory available and boost performance. However, Apple will also need to manage its 64-bit ...

Build notes leaked on the web of a prerelease version of Mac OS X 10.6 Snow Leopard indicate that the software only supports enabling its new 64-bit kernel on certain machines, including the Xserve, ...