Linux system file structure and function

Linux system Architecture

/bin binary, used for all users. Executable files, user commands, related to system startup

/sbin system binaries, only administrators use. Management commands, which are related to the system's own startup.

/boot and system boot-related programs. The location where the kernel and bootloader are stored.

/dev Device file storage location.

/etc and host-related configuration files.

/etc/opt

/etc/x11 Graphical Interface configuration file

Home directory for normal users.

/home/username

/lib Library file

Static Library:. A

Dynamic library:. dll. So (Shared object)

/lib/modules kernel module files

/media mount point directory, typically used to mount discs, U-disks

The /mnt mount point directory, which typically mounts additional temporary file systems, such as removable hard disks.

/misc Miscellaneous

/opt Optional Directory, third-party program installation directory.

/proc pseudo file system, kernel mapping file.

/SRV The data storage location generated by some services.

/sys pseudo-File directory, a property mapping file associated with a hardware device, typically used for hardware management. For example, disk dispatch tuning.

/tmp temporary file/var/tmp

/var changeable files

/var/log log files

/var/spool Application Buffering Data

/var/run process number file PID file

/var/lock lock file resource lock record

/var/cache Application Cache Data

/var/lib status information of the change

/var/lib/hwclock Hardware Clock file

/var/mail/var/spool/mail mail File

/var/account Audit Log

/USR global shared read-only file

/usr/share and platform-independent data

Path to the/usr/include header file

/USR/SRC the source program location.

/usr/bin provides the basic functions of the system itself

/usr/sbin provides the basic functions of the system itself

/usr/lib

/usr/local Third party software

/usr/local/bin

/usr/local/sbin

/usr/local/lib

/selinux SELinux related files

Naming rules for files and folders:

1. The length cannot exceed 255 characters.

2. Cannot use/as file name. /is used to make separators.

3. Strictly case-sensitive.

Relative path: Current position.

Absolute path: Starting with the root/

This article is from "Small Private blog" blog, please be sure to keep this source http://ggvylf.blog.51cto.com/784661/1595996

Linux system file structure and function