Thus, there’s the /usr/etc folder containing the immutable version of configuration files, and /etc which is the mutable directory. If I modify a file in /etc and ask OSTree to compare with the new version, it will show me the differences and preserve my local modifications.
OSTree: Git for Filesystems
，详情可参考WPS官方版本下载
5 bloatware apps you should delete from your Samsung phone ASAP
平均值下滑的省份共有5 个且分布较为随机，未能与总规模保持同步增长，表明披露研发人员的企业数量增长更快。以排名靠前的河北为例，企业数量的增幅（35.59%）超过了研发人员数量的增长（29.50%），从而拉低了平均值。
из объяснения Василия Бабушкина начальнику воркутинского спецлагпункта № 3 (орфография и пунктуация сохранены)