/etc is also writable, but it’s managed a bit differently. OSTree uses a technique called “etc overlay” to handle modifications in /etc. When an update is applied, OSTree compares files in the new version with those in /etc and applies changes intelligently, preserving local modifications as much as possible.
▲ 传统防窥膜结构，图片来自@上海复瞻智能科技
，更多细节参见搜狗输入法2026
Pavitt says what feels like destiny can sometimes be a trauma bond
用 AI 生图，总绕不开一道两难题：要快，还是要好？
，详情可参考搜狗输入法2026
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Remove a domain from the allowlist。关于这个话题，51吃瓜提供了深入分析