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24th May 10
Rodney
OS X 10.4 or higher – System Memory Usage
Here’s a great way to see how much memory your applications are using.
update
Curious to see how much memory your applications are currently using? Wondering if adding new memory will give you a noticeable performance benefit?
To find these answers, go to Utilities > Activity Monitor. Click the System Memory tab to display four different memory states. (I modified the screen shot to make it smaller – yours will look different.)
Wired = memory that is assigned to active RAM and cannot be paged out to disk (usually assigned by your OS).
Active = memory assigned to running programs that is currently busy.
Inactive = memory assigned to a program or process that is not busy at the moment. Essentially this is memory in reserve.
Free = unassigned memory that is available for use.
Use the graph to make a quick system assessment. If it’s predominantly red and yellow, consider adding more memory to avoid taking a performance hit. If it’s mostly blue and green, you’re probably fine.
Isn’t it nice knowing these things?
Courtesy of Larry Jordan
