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HIER(7)		     BSD Miscellaneous Information Manual	       HIER(7)

     hier -- layout of filesystems

     A sketch of the filesystem	hierarchy.

     /	      root directory of	the filesystem

     /bin/    user utilities fundamental to both single-user and multi-user

     /dev/    block and	character device files

	      MAKEDEV  script for creating device files; see makedev(8)
	      fd/      file descriptor files; see fd(4)

     /etc/    system configuration files and scripts

	      localtime	   local timezone information; see ctime(3)
	      disklabels/  backup disklabels; see disklabel(8)
	      kerberosIV/  configuration files for the kerberos	version	IV;
			   see kerberos(1)
	      mtree/	   mtree configuration files; see mtree(1)
	      namedb/	   named configuration files; see named(8)

     /mnt/    empty directory commonly used by system administrators as	a tem-
	      porary mount point

     /sbin/   system programs and administration utilities fundamental to both
	      single-user and multi-user environments

     /stand/  programs used in a standalone environment

     /tmp/    temporary	files, usually a mfs(8)	memory-based filesystem	(the
	      contents of /tmp are usually NOT preserved across	a system re-

     /usr/    contains the majority of user utilities and applications

	      bin/	common utilities, programming tools, and applications
	      contrib/	large packages contributed to Berkeley by outside par-
	      games/	useful and semi-frivolous programs
	      include/	standard C include files

			X11/	     C include files for X11 window system
			arpa/	     C include files for Internet service pro-
			kerberosIV/  C include files for kerberos authentica-
				     tion package; see kerberos(1)
			machine/     machine specific C	include	files
			net/	     misc network C include files
			netimp/	     C include files for IMP protocols;	see
			netinet/     C include files for Internet standard
				     protocols;	see inet(4)
			netiso/	     C include files for ISO standard proto-
				     cols; see iso(4)
			netns/	     C include files for XNS standard proto-
				     cols; see ns(4)
			nfs/	     C include files for NFS (Network File
			pascal/	     include files for pc 1
			protocols/   C include files for Berkeley service pro-
			sys/	     system C include files (kernel data
			ufs/	     C include files for UFS (The U-word File

	      lib/	archive	libraries

			uucp/	    UUCP configuration files (historically
				    placed; to be moved)
	      libdata/	misc. utility data files
	      libexec/	system daemons & system	utilities (executed by other
	      local/	local executables, libraries, etc.
	      obj/	architecture-specific target tree produced by building
			the /usr/src tree
	      old/	programs from past lives of BSD	which may disappear in
			future releases
	      sbin/	system daemons & system	utilities (executed by users)
	      share/	architecture-independent ascii text files

			calendar/  a variety of	pre-fab	calendar files;	see
			dict/	   word	lists; see look(1)

				   words       common words
				   web2	       words from Webster's 2nd	Inter-
				   papers/     reference databases; see
				   special/    custom word lists; see spell(1)

			doc/	   misc	documentation; src for most of the
				   printed BSDBSD manuals (available from the
				   USENIX association)
			games/	   ascii text files used by various games
			man/	   manual pages
			me/	   macros for use with the me macro package
			misc/	   misc	system-wide ascii text files
				   termcap     terminal	characteristics	data-
					       base; see termcap(5)
			mk/	   templates for make; see make(1)
			ms/	   macros for use with the ms macro package
			skel/	   example . (dot) files for new accounts
			tabset/	   tab description files for a variety of ter-
				   minals; used	in the termcap file; see
			tmac/	   text	processing macros; see nroff(1)	and
			zoneinfo/  timezone configuration information; see

	      src/	BSD and/or local source	files

			bin/	     src for files in /bin
			contrib/     src for files in /usr/contrib
			etc/	     src for files in /etc
			games/	     src for files in /usr/games
			include/     src for files in /usr/include
			kerberosIV/  src for kerberos version IV
			lib/	     src for files in /usr/lib
			libexec/     src for files in /usr/libexec
			local/	     src for files in /usr/local
			old/	     src for files in /usr/old
			pgrm/	     src for programming tools in /usr/bin
			sbin/	     src for files in /sbin
			share/	     src for files in /usr/share
			sys/	     kernel src	files
			usr.bin/     src for files in /usr/bin
			usr.sbin/    src for files in /usr/sbin

     /var/    multi-purpose log, temporary, transient, and spool files

	      account/	 system	accounting files

			 acct	     execution accounting file;	see acct(5)

	      at/	 timed command scheduling files; see at(1)
	      backups/	 misc. backup files
	      db/	 misc. automatically generated system-specific data-
			 base files
	      games/	 misc. game status and log files
	      log/	 misc. system log files

			 wtmp	     login/logout log; see wtmp(5)

	      mail/	 user mailbox files
	      preserve/	 temporary home	of files preserved after an accidental
			 death of an editor; see ex(1)
	      quotas/	 filesystem quota information files
	      run/	 system	information files describing various info
			 about system since it was booted

			 utmp	     database of current users;	see utmp(5)

	      rwho/	 rwho data files; see rwhod(8),	rwho(1), and
	      spool/	 misc. printer and mail	system spooling	directories

			 ftp/	     commonly ~ftp; the	anonymous ftp root di-
			 mqueue/     undelivered mail queue; see sendmail(8)
			 output/     line printer spooling directories
				     secretmail	spool directory; see xget(1)
			 uucp/	     uucp spool	directory
				     commonly ~uucp; public uucp temporary di-

	      tmp/	 temporary files that are kept between system reboots

     /vmunix  pure kernel executable (the operating system loaded into memory
	      at boot time).

     ls(1), apropos(1),	whatis(1), whereis(1), finger(1), which(1), find(1),
     grep(1), fsck(8)

     A hier manual page	appeared in Version 7 AT&T UNIX.

BSD				 July 23, 1991				   BSD


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