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rankmirrors:tldr:819df
The command "rankmirrors ${-etc-pacman-d-mirrorlist}" is a shell command that is used in distributions of Linux, such as Arch Linux, that use the pacman package manager.
Explanation of the command:
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"${-etc-pacman-d-mirrorlist}" - This part of the command is referring to the file named "mirrorlist" located in the "/etc/pacman.d/" directory. It is enclosed within curly braces and prefixed with a dollar sign to indicate that it is a variable or placeholder that will be evaluated.
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"rankmirrors" - This is the actual command that is being executed. The "rankmirrors" command is used to rank the mirrors listed in the "mirrorlist" file based on their current mirror score. The mirror score determines the speed and reliability of the mirror.
In summary, this command is used to generate a new mirrorlist file by ranking and sorting the mirrors based on their scores, which helps to prioritize faster and more reliable mirrors for package downloads.