.he 'PASSWD (I)'9/1/72'PASSWD (I)'
NAME passwd -- set login password
SYNOPSIS passwd
\b\b\b\b\b\b______ name password
password is placed on the given login name.
This can only be done by the user ID
corresponding to the login name or by the super-user.
An explicit null argument ("") for the password
any password from the login name.
SEE ALSO login(I), passwd(V), crypt(III)
are given for a non-match of the login name,
lack of permission and for password file format errors.