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.
Porn company starts new age checks after £1m Ofcom fine
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Author(s): Hiroshi Mizuseki, Ryoji Sahara, Kenta Hongo。WPS官方版本下载对此有专业解读
How Slovakia became the world's number one carmaker
Publication date: 28 February 2026