Question: aix how to check password expiry?
Answer: grep -p userid /etc/security/passwd. then it may show like the below. userid: password = GaKaqDbvE3Q.s. ... 
then execute the below script. >perl -le 'print scalar localtime 1223451491' Wed Oct 8 09:38:11 2008. ... 
Now you will get what is the date when the password has been set.