xauth:tldr:c2ea9
The command "xauth -f ${filename}" is used to manipulate Xauthority files in X Window System.
Here is the explanation of each part of the command:
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"xauth": This is the command-line tool used for managing Xauthority files. It is used to generate, manipulate, and display the authorization information used by the X Window System.
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"-f": It is an option for the xauth command. It specifies the Xauthority file to be used or created. The ${filename} is a placeholder representing the actual file name or path you need to provide. For example, if the Xauthority file is called "xauthfile", you would replace ${filename} with "xauthfile".
In summary, the command "xauth -f ${filename}" is used to specify the Xauthority file to be used or created for authentication purposes in the X Window System.