/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.
Иван Бубновэксперт Центра международного взаимодействия и сотрудничества
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第二十九条 国家支持核反应堆在动力、供热、海水淡化、制氢、同位素生产以及科研等方面的应用。
I tried Tecno's modular phone that's got the internet buzzing - and it got weird quickly。关于这个话题，快连下载安装提供了深入分析