/ The root of the overall file system namespace
/bin A symbolic link to the /usr/bin directory
/devices Contains physical device names
/dev Contains logical device names, has symbolic links to /devices
/etc Configuration files
/export Default directory for commonly shared file system like users’ home
/home Default directory or nfs mount point for users’ home directory
/kernel Contains platform-independent loadable kernel modules
/platform Contains platform-dependent loadable kernel modules
/sbin Single-user binaries and executables that are used during the booting process and in manual system-failure recovery.
/usr/bin Users’ binary, executable
/usr/sbin Super user’s binaries and executable/lib Shared executables
