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HIER(7) 		 Miscellaneous Information Manual		 HIER(7)

NAME
     hier -- layout of filesystems

DESCRIPTION
     A sketch of the filesystem hierarchy.

     /	      root directory of the filesystem

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

     /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 tempo-
	      rary 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 reboot)

     /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-
			ties
	      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 proto-
				     cols
			kerberosIV/  C include files for kerberos authentication
				     package; see kerberos(1)
			machine/     machine specific C include files
			net/	     misc network C include files
			netimp/      C include	files  for  IMP  protocols;  see
				     imp(4)
			netinet/     C	include files for Internet standard pro-
				     tocols; see inet(4)
			netiso/      C include files for ISO standard protocols;
				     see iso(4)
			netns/	     C include files for XNS standard protocols;
				     see ns(4)
			nfs/	     C include files for NFS (Network File  Sys-
				     tem)
			pascal/      include files for pc 1
			protocols/   C include files for Berkeley service proto-
				     cols
			sys/	     system  C include files (kernel data struc-
				     tures)
			ufs/	     C include files for UFS  (The  U-word  File
				     System)

	      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
			programs)
	      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 cal-
				   endar(1)
			dict/	   word lists; see look(1)

				   words       common words
				   web2        words from Webster's 2nd Interna-
					       tional
				   papers/     reference databases; see refer(1)
				   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 termi-
				   nals; used in the  termcap  file;  see  term-
				   cap(5)
			tmac/	   text  processing  macros;  see  nroff(1)  and
				   troff(1)
			zoneinfo/  timezone configuration information;	see  tz-
				   file(5)

	      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 database
			 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 ruptime(1)
	      spool/	 misc. printer and mail system spooling directories

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

	      tmp/	 temporary files that are kept between system reboots

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

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

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

net2				  July 23, 1991 			 HIER(7)

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