Centos (Linux) root file system, centoslinux
/The following files
/Boot: files related to system startup, such as kernel, inittrd, and MBR grub
/Dev: device file:
Block devices: Random Access, data blocks such as USB
Character device: Linear access. Unit: Mouse, buttons, and display.
Device No.: master device No. and sub-device No.
/Etc: configuration file directory
/Home: user's home directory/home/USERNAME ~
/Root: System Administrator's home directory-do not log on as an administrator during the production process.
/Lib: Library
/Lib/modules: kernel module
Static Library:.
Dynamic library:. dll (windows). so (shared object) shared object library can greatly save memory usage.
Dynamic compilation and static compilation ..
Lost/found
/Media: hangs in the dot directory, generally on a USB disc of a mobile device.
/Mnt: mount point, additional temporary file system. Of course, it can be hung normally.
/Misc Miscellaneous
/Opt: optional Directory for early software installation. Previous third-party program directory.
/Proc: The ing file of the kernel is not empty when the pseudo file system is started. System Optimization
/Sys: pseudo file system. It is not empty after the system is started. It is a property ing file related to hardware devices. System Optimization
/Tmp:/var/tmp temporary files will be automatically cleared in one month. Each person can create and delete only their own files.
/Var: changeable files, such as logs, emails, and caches.
/Bin: executable file, USER command.
/Sbin: Manage commands.
/Usr: globally shared read-only files
/Usr/bin
/Usr/sbin
/Usr/lib
Third-party software
/Usr/local:
/Usr/local/bin
/Usr/local/sbin
/Usr/local/lib
/Usr/local/src: stores third-party installation programs.
Linux File names are case sensitive.