iwconfig:
----------
wlan0     IEEE 802.11bg  ESSID:"LANCOM"  
          Mode:Managed  Frequency:2.442 GHz  Access Point: 00:24:FE:FA:E8:18   
          Bit Rate=48 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=52/70  Signal level=-58 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:28   Missed beacon:0


cat
----
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback