# 3.linux目录介绍

## 1. /

根目录,一般只存放目录不存放文件

## 2. /mnt

测试目录

## 3. /root

root 用户目录家目录

## 4. /home

普通用户家目录

## 5. /tmp

临时目录存放临时的文件比如上传的临时文件

## 6. /var

存放经常修改的数据,比如日志文件

## 7. /boot

存放启动Linux的内核文件,包括链接文件和镜像文件

## 8. /etc

存放系统默认配置文件

## 9. /bin

所有用户都可执行的程序

## 10. /sbin

仅仅root 用户可执行程序

## 11. /usr

用户自己的软件安装路径

## 12. /dev

硬件设备存放目录

## 13. /media

光盘挂在目录


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