Directory Structure in Unix Systems
Unix Directories Explained
DIRECTORY DESCRIPTION
/ #The ancestor of all directories on the system.
/bin #Essential tools and other programs (or binaries).
/dev #Files representing the system's various hardware devices.
/etc #Miscellaneous system configuration files, startup files, etcetera.
/home #The home directories for all of the system's users.
/lib #Essential system library files used by tools in `/bin'.
/proc #Files that give information about current system processes.
/root #The superuser's home directory, whose username is root.
/sbin #Essential system administrator tools, or system binaries.
/tmp #Temporary files.
/usr #Subdirectories with files related to user tools and applications.
/usr/X11R6 #Files relating to the X Window System.
/usr/bin #Tools and applications for users.
/usr/dict #Dictionaries and word lists (slowly being outmoded by `/usr/share/dict').
/usr/doc #Miscellaneous system documentation.
/usr/games #Games and amusements.
/usr/info #Files for the GNU Info hypertext system.
/usr/lib #Libraries used by tools in `/usr/bin'.
/usr/local #Local files -- files unique to the individual system
/usr/man #The online manuals, which are read with the man command (see Reading a Page from the System Manual).
/usr/share #Data for installed applications that is architecture-independent and can be shared between systems.
/usr/src #Program source code for software compiled on the system.
/usr/tmp #Another directory for temporary files.
/var #Variable data files, such as spool queues and log files.