Re: [bug-inetutils] Re: GNU inetutils 1.7 breaks Ubuntu GNU/Linux boot

[Alfred M. Szmidt]

   >    Inetutils’ ifconfig lacks ‘up’ and ‘down’ for instance:
   >
   >      $ sudo ifconfig eth0 down
   >      ifconfig: can not resolve `down': Unknown host
   >
   > What do those commands do?

   Enable/disable the interface.  I notice that Solaris ifconfig also has
   up/down.  I think it is a fairly old pattern.

Does up/down set all the values (IP, GW, netmask, etc) to 0, or does
it do something else?