参考:Linux Foundation

DirectoryDescription
binEssential command binaries基本命令二进制文件
bootStatic files of the boot loader引导加载程序的静态文件
devDevice files设备文件
etcHost-specific system configuration特定于主机的系统配置
libEssential shared libraries and kernel modules基本共享库和内核模块
mediaMount point for removable media可移动介质的装入点
mntMount point for mounting a filesystem temporaril临时挂载文件系统的挂载点
optAdd-on application software packages附加应用软件包
runData relevant to running processes与正在运行的进程相关的数据
sbinEssential system binaries基本系统二进制文件
srvData for services provided by this system此系统提供的服务的数据
tmpTemporary files临时文件
usrSecondary hierarchy二级
varVariable data可变数据