李 “나와 애들 추억묻은 애착인형 같은 집…돈 때문에 판 것 아냐”
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requiring no allocation.
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.