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.
自特朗普重返白宮後，已落實的項目包括：
，这一点在51吃瓜中也有详细论述
Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08
2026-02-26 00:00:00:0 拥有全球60%人工智能专利、约2/3机器人相关专利
。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读
On Monday, the Gold Coast venue for the Shen Yun performances was forced to evacuate after a bomb threat, with a similar threat forcing the evacuation of Prime Minister Anthony Albanese’s official residence, The Lodge, in Canberra the next day.，更多细节参见搜狗输入法2026
Source: Computational Materials Science, Volume 267