Something
public text v1 · immutable#!/bin/sh
pccardctl eject
# Get rid of any currently running dhclients
killall dhclient dhclient3 2>/dev/null
# Find the currently running network interfaces...
INTERFACES=`/sbin/ifconfig | awk '/^[^ ]+/ {print $1}'`
# And shut them down
for x in $INTERFACES; do
ifdown $x;
ifconfig $x down;
done