How is Memory Utilization calculated for FreeBSD server?

How is Memory Utilization calculated for FreeBSD server?

Memory Utilization is calculated using the below formula:

Memory Utilization (%) =  (used / total) * 100

where,
used - Used Memory
total - Total Memory

Telnet/SSH mode

In Telnet/SSH mode, we use the following commands to obtain the memory usage value:

Commands: 
  1. export UNIX95;top -d 1 -n 2
  2. free -b