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.
void *ref(void *x) {。业内人士推荐快连下载安装作为进阶阅读
（五）提供专门用于侵入、非法控制计算机信息系统的程序、工具，或者明知他人实施侵入、非法控制计算机信息系统的违法犯罪行为而为其提供程序、工具的。。谷歌浏览器【最新下载地址】是该领域的重要参考
然而这项技术虽然看着新奇，背后也蕴含着一些硬件增长停滞时代的妥协和无奈。
“中国一強”「レアアース」 日本の戦略に密着取材