edition.cnn.com
Potential reforms to the VDPS are currently being reviewed by Health Secretary Wes Streeting.
，这一点在夫子中也有详细论述
Lex: FT’s flagship investment column
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.