the following commands to get the last update on user password:
as a root run the following command:
#pwdadm -q user
user:
lastupdate = 1354793709
from the last output, take the number behind “lastupdate” and run it with the following one:
#perl -le ‘print scalar localtime(shift);’ 1354793709
Thu Dec 6 13:35:09 2012