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But of course, like any immutable system, there are mutable parts (otherwise, we couldn’t create any configuration files). OSTree handles this with “overlays” (actually, we use OverlayFS) that allow a read-write filesystem to be layered on top of the immutable system. For example, the /etc and /var directories are writable, while the rest of the system is read-only.
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Less expensive than other grammar checkers.
Either way, by the mid-2000s, the phrase was everywhere — repeated endlessly in early fandom spaces, often ironically, and almost always spelled incorrectly. It was awkward. It was cringe. And that was the point. For better or worse, it helped establish Pokémon as foundational meme material.