Why does Machine1_prompt> rwall machine2 Text to be broadcast ^D Machine1_prompt> work while Machine1_prompt> more /etc/netgroup organization (machine1,,) (machine2,,) Machine1_prompt> rwall -n organization Text to broadcast ^D Machine1_prompt> doesn't. Machine1 and machine2 are both Sun 3/80's running SunOS 4.0.3 and are in the same domain.