Linux Command Memory Slots

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How to check RAM size in Ubuntu. In this tutorial, You are going to learn linux command to check RAM size and system memory information.

Check RAM Size in Linux, Ubuntu

  1. To check the total free memory amount, physically used and swap memory, you will use the free command. The free command is also used to display the information about buffers that are used by the kernel and specifications of the RAM of your system. Type the following command to check the system’s memory: $ free -m -h.
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  3. We can see that the system has 2048 MB RAM and multiple RAM slots. Getting Memory Size. As we have seen that dmidecode will print a lot of information about the RAM but if we want to strictly filter the RAM size we can use grep command like below by providing Size term. $ sudo dmidecode -type 17 grep Size Getting Memory Size Getting Memory.
  4. Top command is one of the basic command to monitor real-time system processes in Linux. It display system information and running processes information like uptime, average load, tasks running, number of users logged in, number of CPUs & cpu utilization, Memory & swap information. Run top command then hit E to bring the memory utilization in MB.

By far the easiest way to check the number of RAM slots currently in use in your machine without opening it up is to use the DMI Table Decoder command called dmidecode, which gives you a flat report. At the command prompt, type sudo dmidecode -t 16 and push enter. You’ll probably be asked for your administrator password.

To check RAM in your Linux system open the terminal (Ctrl + Alt + T) and type the following command mentioned below.

CommandLinux command to check memory slots

Display the RAM size in Megabytes (MB).

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Output –

2
4
total used free shared buffers cached
-/+buffers/cache:61

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If you want check the linux RAM size in Kilobytes(KB). Then type command free or free -k.

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