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How to Find the Physical Memory Available on a System Through the Command Line

Introduction:

If you are using a system and would like to determine its physical memory without physically checking, you can use the command line. This is also useful for scripting purposes, when a system or set of systems have indeterminate memory capacities.

Requirements:

A system with access to the command line.

Procedure:

Windows

  • Open the command line
  • Type the following command:
    systeminfo
  • Somewhere in the output, you should see a line similar to the following:
    Total Physical Memory: 3,990 MB
  • This is the total physical memory on the system.

Linux

  • Open the command line
  • Type the following command:
    grep MemTotal /proc/meminfo
  • You should see something similar to the following as output:
    MemTotal: 4194304 kB
  • This is your total available memory.

 

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