Ubuntu Linux Basic Directory

Original: http://blog.163.com/zhang_runbin/blog/static/137042183201034949375/

Directory Name	Description
/	Linux File system root directory
/bin	Store the most commonly used executables in the system (binary)
/boot	Store Linux kernel and system boot files, including GRUB, LILO launcher program
/dev	Store all device files, including hard disk, partition, keyboard, mouse, USB, TTY, etc.
/etc	Store all configuration files of the system, such as passwd store user account information, hostname host name, etc.
/home	Default location for user home directory
/initrd	The directory where the initrd.img image files are mounted at startup, and the directory where the required device modules are loaded
/lib	Storage of shared library files, including many library files used by programs in/bin and/sbin
/lost+found	Storing fragmented files placed by fsck
/media	Ubuntu system automatically mounts CD-ROM, floppy drive, USB memory, and stores temporary read-in Files
/mnt	This directory is typically used as a mount point for mounted file systems
/opt	As a storage directory for optional files and programs, it is primarily used by 3rd party developers to easily install and uninstall their packages.
/proc	Stores all processes marked as files, which are identified by process numbers or other system dynamic information, such as the Cpuinfo file that holds data for the current working state of the CPU
/root	Home directory for root user (super User)
/sbin	Store more executables (binary), including system management, directory queries and other key command files
/srv	Service data provided by the storage system
/sys	This directory is used to organize or hierarchy the system devices and provide detailed kernel data information to the user program
/tmp	Temporary files for users and programs, all users have read and write access to the directory
/usr	Used to store files and directories directly related to the users of the system, such as applications and library files that support them. The following are some of the important directories in/usr
	/USR/X11R6:	X Window System
	/usr/bin	Standard commands for users and administrators
	/usr/include	Standard include files for various development locales, such as C + +
	/usr/lib	Connection libraries for applications and packages
	/usr/local	Application directory installed by system administrator
	/usr/local/share	Shared files installed by the system administrator
	/usr/sbin	Standard commands for users and administrators
	/usr/share	Directory of shared files such as user manuals
	/usr/share/dict	directory where the thesaurus is stored
	/usr/share/man	System User Manual
	/usr/share/misc	General data
	/usr/share/sgml	SGML Data

Continuation table

Directory Name	Description
/usr	/usr/share/xml	XML data
/var	Typically used to store variable-length files, such as log files and printer files. The following are some of the important directories in/var
	/var/cache	Application Cache Directory
	/var/crash	System error Messages
	/var/games	Game data
	/var/lib	Various status data
	/var/lock	File Lock record
	/var/log	Log records
	/var/mail	Email
	/var/opt	Variable data for the/OPT directory
	/var/run	Process-marking data
	/var/spool	A queue directory that stores e-mail, print tasks, and so on.
	/var/tmp	Temp file directory

Ubuntu Linux Basic directory (GO)