‘Purge’ command not working in OS X 10.8.1
Memory management in OS X is done primarily by the operating system’s virtual memory system; however, there are a few approaches you can take to force the system to clear some aspects of its memory structure and free it up either for troubleshooting purposes or to perhaps help performance.
Part of the memory system in OS X is a cache, where recently used program information is stored so the system can more swiftly launch the program if needed. If you open the Activity Monitor utility in OS X and view the System Memory section, you will see this cache represented by a blue “inactive” wedge…
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