Linux system directory structure in a tree structure presentation
root: Super administrator's home directory
bin: to store ordinary users execute commands
boot: the boot loader storage system
dev: mount the disk storage to store
etc: storage service system as well as Linux operating system configuration files
home: storage of the average user's home directory
var: storage system log files, site root directory
lib: storage system library files
usr: external installation program (source code, compiled installation package)
media / mnt: mount the disk drive
opt: the large external storage installation program
proc: Some state system temporary directory, some of the parameters of the main storage system, generating system information
sbin: storing executable commands Super administrator
Protection System Application machine: selinux
srv / sys: storage system configuration files
tmp: temporary file storage