man:tldr:118dd
The command you provided is using the "man" command to display the manual page of a specific command.
Here's how it works:
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"${7}" - The curly braces with a number inside indicate a positional parameter in Bash. In this case, it refers to the seventh argument passed to the script or command. The value of "${7}" will be substituted with an argument when the command is executed.
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"${command}" - Similarly, this refers to a second positional parameter specified by the user, which will be replaced with an argument value when the command is run.
When this command is executed, it will display the manual page for the command specified by the seventh argument passed to the script or command, along with any additional arguments provided as "${command}". The exact behavior and output will depend on the specific command used.