How to check RAM on Linux with the free -m command
1. Open a terminal window.
2. Type the following command:
free -m3. The command will display a table with the following parameters:
- Mem: Total RAM
- Used: Used RAM
- Free: Free RAM
- Shared: Shared RAM
- Buffers: Buffer RAM
- Cached: Cached RAM
- Mem: Total RAM
Total RAM is the total amount of memory available on the system. This amount includes both used and free RAM.
- Used: Used RAM
Used RAM is the amount of memory that is being used by the running processes on the system.
- Free: Free RAM
Free RAM is the amount of memory that is not being used by any process.
- Shared: Shared RAM
Shared RAM is the amount of memory that is being used by multiple processes at the same time.
- Buffers: Buffer RAM
Buffer RAM is the amount of memory that is being used to store temporary data from I/O devices.
- Cached: Cached RAM
Cached RAM is the amount of memory that is being used to store data from recently accessed files.
If the RAM usage is high, you may need to add more RAM to your system. You may also need to optimize your RAM usage by turning off unnecessary applications and deleting unnecessary files.
