Check Memory Usage in Linux: Top Commands

You can check the memory usage in Linux system by using the following command:

  1. Utilize the free command:
free -m

This command can display the system’s memory usage, including information on used memory, free memory, buffers, and cache.

  1. Use the top command:
top

In the output of the top command, you can view the current system memory usage and memory usage of processes.

  1. Execute the htop command:

If htop is not installed, you can use the following command to install it:

sudo apt-get update
sudo apt-get install htop

Then you can use the htop command to check the memory usage, including memory usage rate, cache, swap space and other information.

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