■ ダミーの /bin/hostname

#!/bin/sh
 
HOST="hoge"
DOMAIN="si-linux.co.jp"
IPADDRESS="172.16.x.x"
 
case "$1" in
        "-a" | "-s" | "-b" )
                echo "$HOST" ;;
        "-i" )
                echo "$IPADDRESS" ;;
        "-f" )
                echo "$HOST.$DOMAIN" ;;
        "-d" )
                echo "$DOMAIN" ;;
        *)
                echo "$HOST" ;;
esac