Here is a copy of the actual history of the request you had:
root@2[knoppix]# /sbin/ifconfig
eth0 Link encap:Ethernet HWaddr 00:02:2D:B6:FA:11
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:3 Base address:0x100
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:200 (200.0 b) TX bytes:200 (200.0 b)
root@2[knoppix]# /sbin/iwconfig
lo no wireless extensions.
eth0 IEEE 802.11-DS ESSID:"" Nickname:"HERMES I"
Mode:Managed Frequency:2.457 GHz Access Point: 44:44:44:44:44:44
Bit Rate:11 Mb/s Tx-Power=15 dBm Sensitivity:1/3
Retry limit:4 RTS thr
ff Fragment thr
ff
And Kismet is a wireless network scanner that runs under Linux. When I use it it give me accurate data regarding the wifi networks around me.
Hope this is more clear and helps you help me!
AJ