1.bin: Saves the executable file, which is the command. All users can execute.
2.boot: Boot directory, operating system boot kernel boot.
3.dev: Device files, all the hardware is abstracted into the file system.
4.ETC: Profile directory, most of which end with. conf.
5.home:home directory, that is, each user has their own home directory, to store the user's private information, all information and private files and so on.
6.lib: All relevant library files are basically. So endings, similar to the. dll files under Windows.
7.media: Belongs to mount directory, but not all.
8.opt: In many cases it is empty. To install large-scale software. But it's not mandatory.
9.proc: Real-time information of the system, only exists in the memory, does not exist on the hard disk.
10.sbin: All executables (commands), the commands in this file can only be used by users with administrator privileges.
11.selinux: is a security mechanism to want to close the directory.
12.sys: The underlying information of the system, such as finding a hard disk, is used.
13.tmp: Temporary directory, will automatically delete Diao (for a period of time), so the relevant important files are not recommended to be placed in this directory.
14.USR: General application software is installed in this directory by default.
15.var: Save things that are constantly changing, such as files on the server and logs.
Linux System directory Introduction