uname -a
Linux creator 2.6.35.11-83.fc14.i686.PAE #1 SMP Mon Feb 7 06:57:55 UTC 2011 i686 i686 i386 GNU/Linux
[basil@creator ~]$ rpm -qf /usr/bin/whois
jwhois-4.0-24.fc14.i686
[basil@creator ~]$ whois --verbose  www.ua
[Querying whois.com.ua]
[whois.com.ua]
% This is the Ukrainian Whois query server #F.
% Rights restricted by copyright.
%

З.Ы. много у кого установлен jwhois