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.
13:17, 27 февраля 2026Силовые структуры
，更多细节参见搜狗输入法2026
Testing of a £50m ultrasound system designed to stop fish being sucked into the cooling pipes of Britain's new nuclear power station has gone "really well".
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