lpasswd - Change group or user password

       Changes password of user or group name.

       If the name argument is not provided, username of the invoking user is used; the name argument is ignored
       if lpasswd is run set-uid to a different user.

       Entering an empty password (by pressing Enter) aborts the password setting operation.

       The exit status is 0 on success, nonzero on error.

libuser                                            Jan 12 2005                                        lpasswd(1)

       lpasswd - Change group or user password

-F, --plainpassword-fd=fd
              Read password from file descriptor fd, terminated by end of file, '\r' or '\n'.

       -f, --password-fd=fd
              Read password hash from file descriptor fd, terminated by end of file, '\r' or '\n'.

       -g, --group
              Change password of group name.  By default the password of user name is changed.

       -i, --interactive
              Ask  all  questions  when  connecting  to the user database, even if default answers are set up in
              libuser configuration.

       -P, --plainpassword=password
              Set the password to password.  Note that the password can be viewed while  running  lpasswd  using
              tools such as ps(1).

       -p, --password=encrypted
              Set  the  password  to  the password represented by the hash encrypted.  Note that the hash can be
              viewed while running lpasswd using tools such as ps(1).

       lpasswd [OPTION]... [name]