The post is about to show account aging information.To get details of user account password expiration ,we use the command chage.
chage command use the option
chage program requires a shadow password file to be available.The absolute path of shadow file is /etc/shadow.It is notable that /etc/shadow file has password information in encrypted format. In other words, chage command helps to get information from /etc/shadow file.
chage command is also used for setting account and password expiration date-time.For setting these information,the user should be root or privileged user.
-l is the option which can also be used by unprivileged user.
chage -l User-Name
Example: In this example,we will view the account aging information of user called sharad
[root@localhost ~]# chage -l sharad Last password change : Mar 27, 2014 Password expires : never Password inactive : never Account expires : never Minimum number of days between password change : 0 Maximum number of days between password change : 99999 Number of days of warning before password expires : 7 [root@localhost ~]#
For more information read the manual page of chage by running the command