dsquery command

dsquery user -inactive 13 ==>list users have no login for 91 days.
dsquery user -stalepwd 180 ==>list users that the password had been used for 180 days.

netsh command change IP address

netsh interface ip set address "Local Area Connection" static 192.168.0.1 255.255.255.0 192.168.0.254 1

netsh firewall set icmpsetting 8          => allow others to ping you
netsh firewall set icmpsetting 8 disable=> deny others to ping you