Swap keys on Command (L) and Option (L) by KeyRemap4MacBook

private.xml

<?xml version="1.0"?>
<root>
	<list>
		<item>
			<name>Swap Command_L and Option_L on Terminal</name>
			<identifier>local.terminalComL_OptLSwap</identifier>
			<only>TERMINAL</only>
			<block>
				<autogen>--KeyToKey-- KeyCode::COMMAND_L, KeyCode::OPTION_L</autogen>
				<autogen>--KeyToKey-- KeyCode::OPTION_L, KeyCode::COMMAND_L</autogen>
			</block>
		</item>
	</list>
</root>