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Archive for March 8th, 2016

by Tom Nelson

It can sometimes be difficult to get your head around OS X memory usage, especially when it comes time to consider upgrades for your Mac. Will adding more memory provide a significant performance increase? That’s a question I often hear, so let’s discover the answer together.

MemoryPressure

Screen shot © Coyote Moon, Inc.

Activity Monitor

There are a handful of good utilities for monitoring memory usage, and if you already have a favorite, that’s fine.

But for this article, I’m going to use Activity Monitor, the free system utility that comes with all Macs. I like Activity Monitor because it can sit unpretentiously in the Dock, and display current memory usage as a simple pie chart on its Dock icon (depending on OS X version). A quick glance at the Activity Monitor Dock icon, and you know how much RAM you’re using and how much is free.

Read more on About: Macs.

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