The passwd command¶

In Linux, passwd command changes the password of user accounts. A normal user may only change the password for their own account, but a superuser may change the password for any account. passwd also changes the account or associated password validity period.

Example¶

```bash $ passwd

```

The syntax of the passwd command is :¶

```bash $ passwd [options] [LOGIN]

```

options¶

```bash -a, –all This option can be used only with -S and causes show status for all users.

-d, –delete Delete a user's password.

-e, –expire Immediately expire an account's password.

-h, –help Display help message and exit.

-i, –inactive This option is used to disable an account after the password has been expired for a number of days.

-k, –keep-tokens Indicate password change should be performed only for expired authentication tokens (passwords).

-l, –lock Lock the password of the named account.

-q, –quiet Quiet mode.

-r, –repository change password in repository.

-S, –status Display account status information.

```