Originally published at: https://www.cyberciti.biz/faq/how-to-check-memory-debian-linux/
How do I check free and used memory on Debian Linux system using the command line option? Random Access Memory (RAM) is the memory in the computer that is used to store running process and data. RAM provides faster data access as compared to the disk drive. This page shows how to find out the…
U can use top command to see memory in use and free