Linux whois command

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The Linux whois command is used to search for and display user information.

The whois command is used to search for and display user-related information for a specified account, as it searches the WHOIS database of Network Solutions. Therefore, the account name must be registered there in order to be found, and there is no difference in case sensitivity.

Syntax

whois [Account Name]

Online Examples

Display Specified User Information

# whois root
//Find root user information

Query Domain Description Information

# whois .Lx138.COm
Whois Server Version 2.0
Domain names in the .com and .net domains can now be registered
with many different competing registrars. Go to http://www.internic.net
for detailed information.
...Content Omitted

Query Domain Information

# whois Lx138.COm
The Registry database contains ONLY .COM, .NET, .EDU domains and
Registrars.
Domain Name ..................... Lx138.COm
Name Server ..................... dns15.hichina.com
                 dns16.hichina.com
Registrant ID ................... hc937242545-cn
...Content Omitted

Omitted Legal Statement When Querying Domain Information

# whois -H Lx138.COm
...Content Omitted

Port Query Specified

# whois -p 80 Lx138.COm
...Content Omitted

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