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To further prove that these tools only send processes to virtual RAM, I did another experiment. In the screenshot below you can see how my Opera browser is not responding after using this tool.

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However once it was done, all the opened programs in my PC got stuck and took at least 5-7 seconds to work again. The tool released a huge amount of RAM and an average user will definitely find this eye opening. After 4-5 seconds it stopped using the RAM and my RAM usage went down to as low as 23%!

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When I clicked on “Optimize” to free up RAM, the tool immediately started using 99%-100% of my RAM. Based on the screenshots below, my RAM usage was 78%-84% at the time of the experiment. I have selected the Glary Utilities built-in “Memory Optimizer” which could free up to 90% of total RAM. To illustrate the process, I have done two quick experiments, which you can try on your own as well: Experiment 1 In the same process, it will also delete all the cached data inside the physical RAM. Once the cleaning tool is sure that all the processes have been moved to virtual RAM, it will stop putting the pressure and show you that it has freed so much RAM. The operating system will think that the tool requires too much RAM, and to achieve that, it will move all the other processes to virtual RAM. Usually, they shift all the processes to virtual RAM and clear the physical RAM cache to free up RAM.Īs soon as you tell the RAM cleaning tool to free up RAM, it will put extreme pressure on the physical RAM. Most RAM cleaning tools minimize physical RAM usage. Overall, the RAM management system in all the latest operating systems is excellent and should not require intervention from third-party tools.

Note: If you have an SSD instead of HDD, then the delay should be very small, almost unnoticeable.

That 1-3 seconds process shows that the operating system is moving operations from the virtual RAM to the physical RAM. After 10-15 seconds come back and try to switch between the tabs again, you will see the 'processing icon' next to your mouse cursor (it’s a blue circle in Windows), and there might be a tiny lag as well. Now minimize the browser and do anything else in your PC e.g., Open the File Manager and move 2-3 folders to another location. If you switch between these tabs, there will be no delay or lag. Open two tabs in your browser with separate websites on them, like on one and your email service on the other. You can also see this happening in real-time, here is what you need to do:

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On Mac OS X you can press Command + Shift + Escape to open “Activity Monitor” and see the RAM usage in the “Memory” section.

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You can press Ctrl + Shift + Esc keys in Windows to bring up the Task Manager and move to the “Performance” tab to see all the details regarding RAM. When you use your PC, the operating system is continuously moving less important processes (passive ones) to virtual RAM (slower memory), and freeing up actual RAM (faster memory) for important processes (active ones).Īdditionally, your OS also caches less important processes to free up RAM for essential operations. Virtual RAM is the one typically stored in a file in your system drive it’s called pagefile.sys in Windows and swapfile in Mac OS X. On the other hand, hard drive storage is very slow, so the passive processes are moved there to keep more RAM free to tackle more important or pressing processes. Physical RAM is high-speed, so all active processes are written there.

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Operating systems use both the RAM and storage inside your hard drive to write and exchange processes.Īlmost all the latest operating systems (released in the last ten years) have a smart RAM management system to cache processes and take full advantage of the physical RAM and the virtual RAM stored in the hard drive storage. In this article, I will try to clear up misconceptions about RAM cleaning tools.

Well, there are loads of debates going on around RAM cleaning/optimizing tools, both in favor and against.

Have you ever wondered how the cleaning and quickly boosts in RAM work? How do these tools free up RAM? Do they allocate the processes somewhere else or kill the processes? Or do they just fake it? If you don’t have 'enough' RAM in your PC, then you must have tried (or thought of trying) a RAM cleaning tool that promises to quickly 'free up' RAM.