Resets terminal or default printer channel characteristics.
resets the header, footer, and line number characteristics. It resets these characteristics for terminal output if output is directed to the terminal. It resets these characteristics for printer output if output is directed to the default print channel. Where output is directed is specified using the PRINTER
The page header to null, removing any header set by the HEADING
The page footer to null, removing any footer set by the FOOTING
The current line number, resetting the value of SYSTEM(4)