Usage:

To display this help:
   rmsgw -h

Normal AX.25 usage:
   rmsgw [ -c configfile ] [ -p packlen ] [ -l logmask ] [ -g gwcallsign ] \
         [-b bannertextfile ] [ -P AX.25port ] usercall

The rmsgw program is run by AX.25 as configured in /etc/ax25/ax25d.conf when
there is an incoming connection on a TNC configured for AX.25.

See the rmsgw man page for more information.