/bin All commands which are used by normal users

/etc System conf files

/var Server data logs Mail proxy cache

/dev All devices name stored in /dev

/sbin All commands which are used by supper user

/boot Linux kernel ( vmlinuz , initrd ) Grub directory

/usr All gui tools installed in /usr

/proc System information’s ( picture of RAM )

/home User's home dir's

/tmp Temporary files

/media Auto mounted devices mount point in /media