How to Check Memory Usage

1. 
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   Open Task Manager by using the Ctrl+Alt+Del key combo and then clicking on Task Manager.
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2. 
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   Click on the Performance tab in Task Manager. If you're using Windows 8 or higher, you might have to click on more details to see the performance tab.
3. 
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   Click on Memory. This will show you some graphs of memory usage. You can then monitor it. If you want more advanced graphs, use resource monitor.

Windows Resource Monitor

1. 
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   Click on the Start button or the Windows key to bring up the Start Screen or Start menu.
2. 
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   Type in Resource Monitor.
3. 
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   Click on 'Resource Monitor' from the list of results.
4. 
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   Click on the memory tab. This will yield several graphs showing you exactly how your computer's memory is being used. You can explore in detail.

1. 
   1
   Open Activity Monitor. The shortcut to the program is found in the Utilities folder in Launchpad.
2. 
   2
   Select the System Memory tab. This will throw up a list of current active memory using processes.
3. 
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   Monitor memory usage. There are a plethora of graphs and details, updating in real-time.

1. 
   1
   Open Search. This can be done by clicking on the OS button, or by clicking on your home key, depending on your distro.
2. 
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   Search for System Monitor.
3. 
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   Click on Gnome System Monitor, or System Monitor.
4. 
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   Click on the "Resource" tab to see current memory usage.

1. 
   1
   Open Search. The search function is different for each KDE-using distro, but is often prominently featured on the desktop.
2. 
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   Key in 'ksysguard'. Click on the first result.
3. 
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   Use the tool to monitor your computer's performance and memory usage.

1. 
   1
   Open the Linux terminal. You can do this through search, or by using the ctrl+alt+f1 shortcut.
2. 
   2
   Type in 'vmstat -s' . This will bring up current ram usage information.
3. 
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   Monitor and check the figures.
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