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. |