The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
Do you want to check the memory usage and information of your Linux computer? This guide includes numerous ways to accomplish that.
Option 1: Check Memory Through the System Monitor
One way to check the memory on your Linux PC is through the system monitor application in the GUI. In order to achieve that, follow the procedures as well as the screenshot images below.
- Click the Show applications icon on the taskbar.
- Then, type “system monitor” (without the quotes) in the search field and select the System Monitor app from the search result.
- When the System Monitor app opens, switch to the Resources tab.
- In the Resources tab, you will find real-time information and usage about the memory of your Linux computer under Memory and Swap.
Option 2: Check Memory via the Terminal
You can also check memory information on your Linux computer by running certain commands in the terminal. Moreover, there are various commands to view memory information in the Linux terminal.
Well, you will learn how to use these commands in the sub-sections below. However, before that, you first need to learn how to open the terminal in Linux.
#1 Best Overall
- 【4K UHD Clarity】: Identify Details That Matter 3840x2160 resolution across a 43-inch panel delivers four times the detail of standard 1080p security monitors. 10-bit image processing with 3D noise reduction keeps faces, license plates, and clothing colors distinguishable even when footage is zoomed in for post-incident review.
- 【5ms Response】: Real-Time Tracking Without Lag 5ms response time eliminates motion blur and ghosting when monitoring fast-moving subjects at entry points or parking areas. Low latency keeps live feeds synchronized with actual events, so you see what is happening now — not a delayed frame.
- 【BNC-Ready】: Direct Connection to Legacy DVRs BNC input connects directly to older analog DVRs without requiring a signal converter. HDMI, VGA, and DVI inputs cover modern NVRs, PCs, and mixed-generation control room setups — one monitor for your entire security infrastructure.
- 【Built for 24/7 Surveillance Operations Industrial】:grade components and a voltage-stabilized power supply support continuous operation around the clock. Auto power-on restores monitoring immediately after outages, making it suitable for warehouses, garages, retail stores, and other locations requiring constant vigilance.
- 【Flexible Installation】: VESA Mountable, Control Room Ready VESA mountable design supports standard wall brackets and ceiling mounts for space-saving placement in control rooms. Durable housing resists vibration in industrial settings. Package includes monitor, power adapter, stand, and user manual.
To open the terminal in Linux, right-click any free area on your desktop and select Open in Terminal from the displayed options. Alternatively, use the Ctrl + Alt + T keyboard shortcut to launch the terminal in Linux.
After successfully opening the terminal in Linux, use the commands in the sub-sections below to view the memory information.
Method 1: Check Memory Using the Top Command
The top command tool gives a summary of all processes running on your Linux computer, including real-time memory information and usage. To use this tool, execute the subsequent command below in your Linux terminal – you will see the memory information opposite MiB Mem.
Free tools Windows power users keep installed
One-click scans. No signup required.
top
Method 2: Check Memory Using the Free Command
The free command tool is another tool you can use to check the real-time memory information of your Linux computer through the terminal. To achieve that, execute the command below – you will find the memory information opposite Mem.
Rank #2
- 24/7 Surveillance: The 22 inch monitor features 1920x1080 Full HD, 100% sRGB color accuracy, and 300cd/㎡ brightness, making it perfect for a security camera monitor. Ideal for 24/7 surveillance, it delivers clear, vibrant visuals for continuous use.
- 75Hz Refresh Rate: The 75Hz refresh rate combined with a 5ms response time ensures smooth and responsive performance, providing exceptional clarity for security and surveillance applications. This security monitor is engineered for continuous use as a CCTV monitor or camera monitor, offering clear, fluid visuals for your monitoring needs.
- Multiple Interfaces: The video monitor offers versatile connectivity with HDMI, VGA, AV, BNC, and USB ports, making them compatible with a wide range of devices, including DVR/NVR systems and computers, and gaming consoles. Whether you're using it for office work, gaming, or surveillance monitoring, it can easily adapt to your needs.
- Mirror Flip Function: The computer screen can function as a teleprompter, supporting a mirror flip function that allows you to easily adjust the display orientation for various applications, whether for presentations, multi-monitor setups, or surveillance monitoring.
- Two Mounting Options: Eyoyo bnc monitor offers two mounting options: one for desktop installation and the other for a 100x100mm VESA mount (not included). Whether you're using it as a security monitor in a surveillance setup, for daily tasks in the office, or as part of a home theater system, the flexibility of these mounting options ensures it fits seamlessly into your environment.
free
Method 3: Check Memory Using the Htop Command
You can also check the memory information of your Linux computer through the terminal using the htop command tool. This command tool provides an easier-to-read environment and memory information in real-time.
To use this tool, input the command below and press the enter key on your keyboard.
htop
In some cases, when you run the aforementioned htop command, you might get an error saying the command cannot be found. That’s because the tool doesn’t come with your Linux distribution by default.
However, follow the procedures below to install the htop command tool on your Linux computer.
Rank #3
- Screen Stand Installation Guide: Please ensure that you use the (H) Screws specified in the instruction manual when installing the Screen Stand and the 8.8 Universal Screen. DO NOT use the longer screw “g”.
- Dynamic Control with L-Connect 3: Customize your viewing experience with L-Connect 3 software. Access preset themes and modular information, and upload your own videos and photos to create a personalized display that suits your style.
- USB-Powered Secondary Display: Enjoy plug-and-play connection via a 9-pin port or Type-A USB. This innovative design allows the 8.8" screen to function independently as a secondary monitor, displaying hardware stats, media, or custom visuals without using valuable GPU ports.
- Flexible Mounting Options: Versatile mounting bracket that supports height and tilt adjustments. Mount it securely to fan frames, attach it to case panels, or use adhesive pads for flat surfaces, ensuring optimal visibility from any angle.
- Stunning Diffused ARGB Lighting: Enhance your build's aesthetics with a built-in diffused ARGB lighting strip. Fully customizable through L-Connect 3, the lighting offers a spectrum of colors and effects, allowing synchronization with your entire system for a cohesive look.
- Input the command below on your Linux terminal and press the enter key. Consequently, you will be prompted to input your system password – do that and press the enter key.
sudo apt-get install htop
- After doing that, Linux will start to install the htop command tool.
Method 4: Check Memory Using the Proc/meminfo Command
Pretty much all the aforementioned command line tools get their memory report from the proc/meminfo file. Hence, you can simply go through the main source (proc/meminfo file) to get the real-time memory information/usage of your Linux computer.
To access the proc/meminfo file, run the following command in your Linux terminal and press the enter key.
cat /proc/meminfo
Frequently Asked Questions
To run the Linux operating system smoothly, you need a minimum of 2 GB RAM.
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesYes, the Ubuntu operating system uses less memory than the Windows 11 operating system.
Rank #4
- 【Size】: The screen of this car monitor is 4.3 inches in size, featuring a high-definition resolution of 480 × 234. It presents vivid colors and a wide viewing angle, effectively avoiding scratches, collisions, and other accidents caused by blind spots in the line of sight, and safeguarding driving safety.
- 【High-Quality】: This 4.3 inch HD monitor is made of high-quality ABS material, which is waterproof, corrosion-resistant, has high strength, and is not easy to crack. It also features a light-blocking shell design. Even in an environment with direct sunlight, it can still stably display clear and glare-free images, bringing a high-quality visual experience to the driver.
- 【Practical and Convenient】: This car monitor has two video inputs, V1 and V2. V2 has the priority and is connected to the rear-view camera. When you are reversing, the display screen will automatically switch to the reversing image. V1 can be connected to the in-car DVD or the front camera. When you are driving, you can check the front situation through V1.
- 【Easy Installation】: The installation of this car monitor is very simple. There is adhesive tape at the bottom of the monitor bracket. You just need to clean the surface to be pasted, tear off the adhesive tape, and paste the monitor to the desired position. The bracket can be adjusted to 160 degrees. Each display screen is affixed with a protective film to prevent scratches, which can be torn off when in use.
- 【Universal Fit】: This 4.3 inch HD monitor is suitable for most vehicles, such as cars, commercial vehicles, trucks, buses, etc. It is equipped with a universal chipset and can be compatible with both PAL and NTSC video systems, and is suitable for a variety of devices such as car cameras, DVDs, VCDs, set-top boxes, and satellite receivers.
Ubuntu is an old African word that means “humanity to others.”
The keyboard shortcut to open the terminal in Linux is Ctrl + Alt + T.
Yes, the Linux OS is a free and open-source operating system.
Conclusion
Memory is one of the most crucial components of a computer. Gladly, this guide demonstrated various methods to check the memory information and real-time usage of a Linux computer.
Best Value
- 24/7 Surveillance: Designed for continuous security monitoring, this CCTV monitor features a stunning 1200:1 contrast ratio and 16.7 million colors (8-bit), delivering Full HD 1920x1080 resolution for exceptional clarity.
- Sleek Design: The ultra-thin 32-inch, creating a seamless look when multiple monitors are connected, enhancing your overall viewing experience.
- Versatile Connectivity: Equipped with multiple ports, including 1 x HDMI input, 1 x VGA, and 1 x audio in, this 32“ security monitor allows for easy connection to various devices, making it an ideal choice for your security setup.
- Smooth Performance: With a 75Hz refresh rate and a 178° viewing angle, this 32 inch CCTV monitor ensures ultra-clear details from any perspective, making it specifically designed for continuous 24/7 operation in security environments.
- Ultimate Clarity: Experience unrivaled detail and color accuracy with this security monitor, perfectly suited for both home and professional CCTV setups, ensuring your surveillance needs are met without compromise.
To give more details, this guide taught us how to perform this task through the system monitor application in the Linux GUI. We also learned how to perform this task by running various command lines in the Linux terminal.
I hope you were able to check the memory information of your Linux computer with the help of this guide. If you were, click on “Yes” beside the “Was this page helpful” question below.
You may also express your thoughts and opinions by using the “Leave a Comment” form at the bottom of this page.
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Finally, you can visit our Linux how-to page to get more Linux guides.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
