How to Check Memory Usage on VPS Centos 6.4

There are several ways on how to check the memory usage on linux virtual Private Server (VPS). This steps has been tested on linux CentOS 6.4 server and may workings on other linux server as well.
1. Check memory usage using “/proc/meminfo” command:
root@vps10634 [~]# cat /proc/meminfo

2. Check memory usage using “free -m” command :
root@vps10634 [~]# free -m

3. Check memory usage using “top” command :
root@vps10634 [~]# top

4. Check memory usage using “vmstat” command :
 root@vps10634 [~]# vmstat

Good Luck For You!!