How to Check RAM on Ubuntu Linux: Step-by-Step Guide
This guide explains how to check your system RAM on Ubuntu Linux in 2026. Knowing your memory specs helps you understand if your computer can handle modern software.
Open Settings, navigate to System, then About, and look for the Memory line to see your total RAM. Alternatively, use the terminal with commands like `free -h` for a human-readable overview or `inxi -m` for detailed specs.
Why check your RAM?
You need to know your RAM size and speed to see if your computer meets the requirements for new apps or games. Understanding your hardware helps you decide if you need an upgrade or if your system is running as well as it should.
What happens when you check your RAM?
You will see exactly how much total memory is installed, how much is currently being used, and details like your RAM speed and manufacturer. This gives you a clear picture of your computer’s performance health.
Check RAM size and speed on Ubuntu Linux
You can easily check your RAM size and speed on Ubuntu Linux using the Settings app, which shows you all the important memory details right away.
To find your RAM size:
- Open the Activities overview and type Settings.
- Alternatively, click the System menu at the top-right corner of your screen and select Settings.
- In the Settings sidebar, click on System.
- Click on the About section.
- Look for the Memory line to see the total RAM installed on your system.
Check system memory using the command line
The terminal offers more detailed information. Modern tools make this process much easier to read than older methods.
Using the ‘free’ command
The ‘free’ command in the Ubuntu terminal is a straightforward way to check your RAM usage, showing you how much memory is total, used, and available in a simple, human-readable format.
Using ‘btop’ or ‘htop’
To see how much RAM your Ubuntu system is using right now, you can use the ‘btop’ or ‘htop’ commands in the terminal for a clear, color-coded view.
Install them by typing: sudo apt install btop or sudo apt install htop.
Once installed, just type btop or htop in your terminal to see your memory usage in real-time.
Using ‘inxi’ for hardware details
The ‘inxi’ command on Ubuntu gives you lots of details about your computer’s hardware, including specific information about your RAM like its speed, type, and who made it.
Install it with sudo apt install inxi, then run:
inxi -m
sudo lshw -short -C memory %📂%LNK1%% if you prefer a standard system utility to verify hardware configuration.Conclusion
Checking your RAM is a simple way to stay informed about your computer. Whether you use the System settings for a quick look or the terminal for detailed hardware specs, you now have the tools to monitor your system memory effectively in 2026.
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About the Author
Richard
Tech Writer, IT Professional
Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.
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