1,/root directory ---------all directories hanging under it
2./boot ---------store Ubuntu kernel and system boot files. These files are loaded first when the system is started.
3./etc ---------the configuration file directory of the system. Password file, set network card information, environment variable settings, etc. in this directory, many network configuration files are also in it. See for details.
4,/lib --------- root file system directory under the program and core modules shared library. This directory contains the most basic dynamic link shared library of the system, similar to the System32 directory under Windows, and almost all applications need to use these shared libraries.
5,/media ---------mainly used for mounting multimedia equipment. the Ubuntu system automatically mounts the CD-ROM, USB device, storing temporary read-in files.
6,/proc ---------This directory is the system memory mapping, we can directly access the directory to obtain system information. In other words, the contents of this directory are not on the hard disk but in memory.
< Span style= "LINE-HEIGHT:21PX;" > 7,/sbin ---------s is the meaning of super user, Here is the system administrator to use the system management programs, such as System management, directory queries and other key command files.
8,/tmp ---------
9,/home ---------The user's home directory. The following is a folder of your own defined user name. Each user's settings file, the user's desktop folder, and the user's data are all placed here.
10,/mnt ---------This directory is primarily used as a mount point. This usually includes the mount point of the file system that is mounted after the system boots. If you mount a partition under Windows.
11,/root ---------system administrator
12,/srv ---------The service data provided by the storage system.
13./usr ---------includes files and directories directly related to the user of the system.
/USR/X11R6 storage of the X-windows directory;
/usr/games Store the Xteamlinux bring the small game;
/usr/bin standard commands for users and administrators;
/usr/sbin Store the Administrator program used by the root superuser;
/usr/doc Linux Technical documentation;
/usr/include to store the header files needed to develop and compile applications under Linux, for C or C + +;
/usr/lib connection libraries for applications and packages;
/usr/local the application directory installed by the system administrator;
/usr/man the directory where the Help document resides;
/USR/SRC Linux Open source code;
/usr/share is used to store some shared data, such as music files or icons, etc.
14,/var ---------used to store a lot of constantly changing files, such as log files. Contains content such as log files, scheduled tasks, and messages.
/var/cache application Cache directory;
/var/crash system error message;
/var/games game data;
/var/log log files;
/var/mail e-mail;
/var/tmp Temporary files directory;
15,/bin --------- Bin is the abbreviation for binary. This directory inherits the structure of the UNIX system and stores the commands most often used by the user. such as CP, LS, cat, and so on.
Ubuntu system root Directory usage description