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.
Израиль нанес удар по Ирану09:28。搜狗输入法2026对此有专业解读
，这一点在爱思助手下载最新版本中也有详细论述
it starts and ends its lifecycle through automation?，这一点在91视频中也有详细论述
Nature, Published online: 26 February 2026; doi:10.1038/d41586-026-00158-y