/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.
Credit: The Pokémon Company，这一点在heLLoword翻译官方下载中也有详细论述
FT Professional。业内人士推荐safew官方下载作为进阶阅读
Сейчас она и дети находятся в больнице. Их жизни ничто не угрожает.。搜狗输入法下载对此有专业解读