Omlouvám se "ifconfig" ted uz jde predtim neslo , tady to mi to vypsalo :
To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.
ubuntu@ubuntu:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:16:D4:51:BE:71
UP BROADCAST 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:21
eth0:avah Link encap:Ethernet HWaddr 00:16:D4:51:BE:71
inet addr:169.254.7.223 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
Interrupt:21
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:36 errors:0 dropped:0 overruns:0 frame:0
TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2664 (2.6 KiB) TX bytes:2664 (2.6 KiB)
ubuntu@ubuntu:~$ und ifconfig
bash: und: command not found