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finger:tldr:4cd31
finger: Display information about all users on the specified host.
$ finger @${host}
try on your machine
The "finger" command is used to retrieve information about a user on a remote system. The "@" character is used to specify that the command should be executed on a remote host. In this particular command, the variable "${host}" is used to define the remote host's address.
So, if the value of "${host}" is "example.com", the command "finger @example.com" would be executed to retrieve information about a user on the remote host "example.com".
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.