rainbowstream:tldr:8fd1b

rainbowstream: Show profile of a given user.

whois

$ whois @${user}

try on your machine

The command "whois" is used to look up information about a domain name or an IP address. In this specific command, "@${user}" is a placeholder indicating that a username will be substituted in place of "${user}".

The "whois" command followed by "@${user}" would typically be used in a script or programming language to pass the value of the variable "user" as the input to the "whois" command. The variable "user" should contain a valid domain name or IP address that needs to be looked up.

For example, if the value of "user" is "example.com", the command "whois @${user}" would query the WHOIS database for information about the domain "example.com". The output may include details such as the registrar, registration date, expiration date, name servers, and contact information associated with the domain name.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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