Question: how to do whois in linux?
Answer: Description. whois searches for an object in a WHOIS database. ... 
Syntax. whois [ -h HOST ] [ -p PORT ] [ -aCFHlLMmrRSVx ] [ -g SOURCE:FIRST-LAST ] [ -i ATTR ] [ -S SOURCE ] [ -T TYPE ] object whois -t TYPE. ... 
Options. -h HOST. ... 
History. ... 
Technical Notes. ... 
Configuration. ... 
Environment. ... 
Examples.