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.
Twig's is interwoven into the culture of Shawano, a close-knit city of little more than 9,000 people. Sun Drop Dayz – a community fundraiser with live music and activities – has been held on the first weekend of June since 2017.
，这一点在Safew下载中也有详细论述
Those efforts also will impact the U.S. space agency's timeline for the future Artemis missions, moving up the revised Artemis III flight to the middle of 2027, which could make way for Artemis IV and Artemis V at the beginning and end of 2028. Under the new direction, Artemis IV would be the first mission to put astronaut boots on the lunar surface.
Andrew's desk fits a lot of utility into a small space
// 3. 从后向前放置（保证稳定性）