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.
// And the reader is no longer available when we return
，这一点在WPS下载最新地址中也有详细论述
靠“阴伟达” 救场？就在濒临绝境时，“阴伟达” 横空出世，成了救命的 “强心针”。
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54
ZFS checkpoints -- snapshot, restore, delete, and clone containers from checkpoints