linux 根目录下的子目录的意义

/bin<wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">可执行程序，通常抱括系统工具<br> /boot</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">系统启动时用于初始化linux的文件，比如LINUX内核<br> /dev</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">链接到硬件资源的文件<br> /etc</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">配置文件，特别是系统工具和网络服务<br> /home</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">所有普通用户的HOME目录<br> /lib</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">系统工具和内核所使用的系统库<br> /root</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">超级用户目录<br> /sbin</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">仅由ROOT用户使用的可执行目录<br> /tmp</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">由系统中任何用户和程序创建的临时文件<br> /usr</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">所有普通用户使用的文件，包括数据，程序和文档<br> /var</span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px"></span><wbr><span style="font-size:18px">系统工具或网络服务创建的易变化的信息，如系统日志<br></span></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>