First, the Linux system basic directory name and function

The main directory and directory content in the Linux operating system is defined by the FileSystem hierarchy standard (Filesystem Hierarchy STANDARD,FHS), which in most cases is a traditional BSD file system hierarchy.

1,/: Root at the top of the Linux file system tree structure, it is the entry of the file system, all directories, files, devices are under the root directory;

2,/bin: The directory holds the most common system most important commands, is in a separate file form, the files in this directory are executable files and is a common user can use the command, the system's most basic commands are here;

3,/usr: The directory is the place of the system storage procedures, such as ordinary commands, Help files, installation of software, etc.;

4,/var: the contents of the directory is constantly changing,/var under the/var/log directory used to store the system's log directory,/var/www directory used to define the Apache server site storage directory,/var/lib used to store some library files;

5,/sbin: Most of the system management commands are stored in the directory, it is the root user executable command storage place, general directory Sbin contains the commands are root permissions to execute;

6, the/root:linux system super-privileged user's home directory;

7,/home: The normal user's main directory is stored in this directory by default;

8,/etc: The directory is the location of the system configuration files, some server configuration files in this directory;

9,/dev: Device file storage directory, the directory is all Linux external device files;

10./boot: Files required to store Linux kernel and boot system programs;

11,/OPT: This directory is an optional package installation directory;

12./tmp: This directory is used to store temporary files;

13,/lib: This directory is used to store the library files, this directory contains the system's most basic shared library;

14,/mnt: This directory is used to store mounted storage device directory;

15,/proc: The operating system runtime process (running process) information and kernel information (such as CPU, hard disk partition, memory information, etc.) storage place,

First, the Linux system basic directory name and function