Delete users entry in password file. Returns 1 on success Returns undef on failure. This will force the password to be changed. It does no verification of old-passwords. Returns 0 if login is invalid.
Returns undef otherwise.
Returns 0 if login is invalid. Returns undef otherwise. Returns 0 if login is invalid. Returns undef otherwise. You should also be able to use the 'perldoc' utility to extract and read documentation from the module files directly.