Locking and Unlocking User Password

Some times the administrator can lock or unlock the user password means , the user cannot change the password if administrator set the lock option. the syntax is passwd -l / -u username

l – lock the password (user cannot change their password)

u – unlock the password (user can change their password)

passwd -l / -u username

l – lock the password (user cannot change their password)

u – unlock the password (user can change their password)

Eg :

[root@MB327SCS068 ~]# passwd -l antony

Locking password for user antony.

passwd: Success

[root@MB327SCS068 ~]# passwd -u antony

Unlocking password for user antony.

passwd: Success.