1XR-ARGS(1) OpenBSD Reference Manual XR-ARGS(1) 2 3NNAAMMEE 4 XXrr--aarrggss - additional arguments to cross references 5 6DDEESSCCRRIIPPTTIIOONN 7 One single echo(1) is fine. 8 9 But listen for multiple echo(1)s. 10 11 Listen for those echo(1)s really hard. 12 13 A call, an echo(1), and another echo(1). 14 15 Finally, half an echo and no echo at all. 16 17