It is based on FreeBSD

pkg update
 
 
pkg upgrade
pkg upgrade dnsmasq
 
opnsense-update

# opnsense-shell
 
  0) Logout                              7) Ping host
  1) Assign interfaces                   8) Shell
  2) Set interface IP address            9) pfTop
  3) Reset the root password            10) Firewall log
  4) Reset to factory defaults          11) Reload all services
  5) Power off system                   12) Update from console
  6) Reboot system                      13) Restore a backup

/usr/local/etc/rc.restart_webgui /var/etc/cert.pem cat /var/etc/lighty-webConfigurator.conf

ipfw -a list
pftop
 
pfctl -vvsr
 
# Routing table
netstat -nr

ifconfig nic0 media 1000baseTX

pciconf -l -v

camcontrol devlist
mkdir /media/cdrom
mount_cd9660 /dev/cd0 /media/cdrom

# seek time and transfer rates benchmark
diskinfo -tv /dev/cd0