How To Check Available Memory In Ubuntu 22.04 LTS
In this article, we will explain how you can check the available memory in Ubuntu. For this, we will take the help of various tools or commands.
How To Check Available Memory In Ubuntu 22.04 LTS
Method 1:
The vmstat command
Run the following command to know the memory statistics in your Ubuntu. You can view the free memory and the free swap memory entry in the output, indicating the available memory in your system. The s flag in the below command provides detailed statistics about memory usage.
$ vmstat -s
Method 2:
free command
Free command in Linux is used to check information about the RAM usage by Ubuntu or your distro. m flag in the below command means that the information will be displayed in MBs.
$ free -m
Method 3:
The top command
The top command is used to print CPU and memory usage in Linux.
$ top
Method 4:
The /proc/meminfo command
The /proc/meminfo command extracts memory-related information from the /proc file system.
$ cat /proc/meminfo
Method 5:
The htop command
htop is popular tool that is used to analysis the CPU usage and the memory usage in Linux based operating system. Some of the Linux comes up with the htop by default but if you haven’t installed it then run the following command to install htop on Ubuntu:
$ sudo apt-get update
$ sudo apt install htop
Once htop is installed, run the following command to display the memory and cpu usage of your Ubuntu.
$ htop
