Check ram memory usage linux
free -m
linux command to check memory usage in percentage
$ free -t | awk 'NR == 2 {printf("Current Memory Utilization is : %.2f%"), $3/$2*100}'
or
$ free -t | awk 'FNR == 2 {printf("Current Memory Utilization is : %.2f%"), $3/$2*100}'
Current Memory Utilization is : 20.42%
Source: www.2daygeek.com
