Tackle stubborn disk partitioning in OS X If partitioning a drive with Disk Utility gives you unmount or resource busy errors, there may be workarounds you can use.

It notes: "Unlike most other UNIX versions, Mac OS X does not use a separate partition for the virtual memory swap file.

As most OS X users are probably aware "virtual memory" (or paging, in OS X's case) is always "on," as is the case with any modern operating system. It is an integral part of the kernel's ...

How to create a test partition for the OS X Yosemite beta What to do if you want to try the software without relying on a beta every day.

Apple has publicly touted a significant new feature in OS X 10.9 Mavericks designed to maximize RAM, storage and CPU use while also boosting power efficiency: Compressed Memory.