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Cake day: July 1st, 2023

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  • . and … are how terminals navigate around file systems.

    The command cd . means “change directory (cd) to here (.)”

    cd .. means “change directory to here, but one level up: my parent directory.”

    So following that model, winrar and maybe older versions of 7zip used folders called ‘.’ as navigational tools within the archive browser. If you double-clicked through them, you’d see where they go.

    I don’t know how much of this you knew, but the point is it shouldn’t freak you out too see them.