passwd
Name
passwd -- change user password
Synopsis
passwd [-x max] [-n min] [-w warn] [-i inact] name
passwd {-l | -u} name Description
passwd changes authentication
information for user and group accounts, including
passwords and password expiry details, and may
be used to enable and disable accounts.
Only a user with appropriate privilege may change
the password for other users or modify the
expiry information.
Options
-x max | | sets the maximum number of days a password remains valid. |
-n min | | sets the minimum number of days before a password may be changed. |
-w warn | | sets the number of days warning the user will receive before
their password will expire. |
-i inactive | | disables an account after the password has been expired for the given
number of days. |
-l | | disables an account by changing the password to a value which
matches no possible encrypted value. |
-u | | re-enables an account by changing the password back to its previous value. |