6, self-study--linux study progress and task "FHS"

FHS: File Hierarchy Standard

FHS: File Hierarchy Standard

/ : Represents the root directory

　　/bin: Binary file, executable program, all users can use.

　　/sbin: Only the administrator executes the binary executable program. Start-up is used to provide self-operation.

/usr/bin: Complete the specific work

　　　　　　　　 /usr/sbin: Complete the specific work

/usr/local/bin: Used to install 3rd party programs.

/usr/local/sbin: Used to install 3rd party programs.

　　/ Boot: Storage System boot file, kernel, Ranfs file, bootloader (GRUB)

/ dev: Device file storage directory (special file)

　　/ etc: Stores directories in the configuration file set.

　　　　　　/etc/sysconfig: System NIC configuration file, firewall configuration file.

　　　　　　　/ETC/INIT.D: System service script.

　Home directory for normal users, which defaults to a directory with the same name as its user name under/home as the user's family directory.

　　 /root: Administrator's home directory.

/lib,/lib64: library files, 64-bit, 32-bit library files, can be installed in 32-bit, 64-bit applications.

/media: A media mount point, such as a USB portable device, hangs under this file.

　　/mnt: mount points, such as additional storage devices, new hard drives.

　　/misc: Miscellaneous for inconvenience classification.

　　　/opt: Optional directory, alternate directory, earlier used to install third-party programs.

　　/proc: Pseudo file system, built-in state parameters, configuration parameters, mapped to some files, the content of the file is the value of the parameter variable.

　　 　/sys: Pseudo file system, hardware working state parameters, configuration parameters will also be displayed as files.

　　 　/srv: Service that provides data storage locations for services.

　　 / tmp: The temporary file system is automatically deleted by default more than 30 days. Can only delete their own, have special permissions.

/ usr: Universal shared ADN read only shared (cross-platform), shared between platforms, read-only. Occupy 4/5 of the storage space.

　　　/bin: Most user commands

　 /include: Header file

　　　/lib: library

　　　/local: Local hierachy

　　　/sbin: non-vital system binaries

　　　/share: architecture-independent data

/ var: vary frequently changing files become larger
　　　　　　　/var/log
/var/lock
/var/run
/var/cache
/var/tmp

　　For ordinary users, only the home directory/tmp directory is free to create files.

6, self-study--linux study progress and task "FHS"