NAME

hier − file system hierarchy

DESCRIPTION

The following outline gives a quick tour through a typical SunOS file system hierarchy:

/ root directory of the file system

/dev/ devices (Section 4)

MAKEDEV
shell script to create special files

MAKEDEV.local
site specific part of MAKEDEV

console
main system console, console(4S)

drum paging device, drum(4)

∗mem
memory special files, mem(4S)

null null file or data sink, null(4)

pty[p-z]∗
pseudo terminal controllers, pty(4)

tty[ab]
CPU serial ports, zs(4S)

tty[0123][0-f]
MTI serial ports mti(4S)

tty[hijk][0-f]
ALM-2 serial ports mcp(4S)

tty[p-z]∗
pseudo terminals, pty(4)

vme∗ VME bus special files, mem(4S)

win window system special files, win(4S)

xy∗ disks, xy(4S)

rxy∗ raw disk interfaces, xy(4S)

...

/etc/ system-specific maintenance and data files

dumpdates
dump history, dump(8)

exports
table of file systems exportable with NFS, exports(5)

fstab file system configuration table, fstab(5)

group group file, group(5)

hosts host name to network address mapping file, hosts(5)

hosts.equiv
list of trusted systems, hosts.equiv(5)

motd message of the day, login(1)

mtab mounted file table, mtab(5)

networks
network name to network number mapping file, networks(5)

passwd
password file, passwd(5)

phones
private phone numbers for remote hosts, as described in phones(5)

printcap
table of printers and capabilities, printcap(5)

protocols
protocol name to protocol number mapping file, protocols(5)

rc shell program to bring the system up multiuser

rc.boot
startup file run at boot time

rc.local
site dependent portion of rc

remote
names and description of remote hosts for tip(1C), remote(5)

services
network services definition file, services(5)

ttytab
database of terminal information used by getty(8)

...

/export/
directory of exported files and file systems for clients, including swap files, root, and /usr file systems

/home/
directory of mount points for remote-mounted home directories and shared file systems

user home (initial working) directory for user

.profile
set environment for sh(1), environ(5V)

.project
what you are doing (used by (finger(1))

.cshrc startup file for csh(1)

.exrc startup file for ex(1)

.plan what your short-term plans are (used by finger(1))

.rhosts
host equivalence file for rlogin(1C)

.mailrc
startup file for mail(1)

calendar
user’s datebook for calendar(1)

...

/lost+found
directory for connecting detached files for fsck(8)

/mnt/
mount point for file systems mounted temporarily

/sbin/
executable programs needed to mount /usr/

hostname

ifconfig

init

mount

sh

/tmp/
temporary files, usually on a fast device, see also /var/tmp/

ctm∗ used by cc(1V)

e∗ used by ed(1)

...

/var/ directory of files that tend to grow or vary in size

adm/ administrative log files

lastlog
record of recent logins, utmp(5)

lpacct
line printer accounting lpr(1)

messages
system messages

tracct phototypesetter accounting, troff(1)

utmp table of currently logged in users, utmp(5)

vaacct, vpacct
varian and versatec accounting vtroff(1), pac(8)

wtmp login history, utmp(5)

...

preserve/
editor temporaries preserved here after crashes/hangups

spool/
delayed execution files

cron/ used by cron(8)

lpd/ used by lpr(1)

lock present when line printer is active

cf∗ copy of file to be printed, if necessary

df∗ control file for print job

tf∗ transient control file, while lpr is working

mail/ mailboxes for mail(1)

name mail file for user name

name.lock
lock file while name is receiving mail

mqueue/
mail queue for sendmail(8)

secretmail/
like mail/, but used by xsend(1)

uucp/
work files and staging area for uucp(1C)

LOGFILE
summary log

LOG.∗
log file for one transaction

...

tmp/ temporary files, to keep /tmp/ small

raster used by plot(1G)

stm∗ used by sort(1V)

...

yp/ Yellow Pages database files, ypfiles(5)

/usr/ general-purpose directory, usually a mounted file system

bin/ utility programs

as assembler, as(1)

cc C compiler executive, c.f.  /usr/lib/ccom, /usr/lib/cpp, /usr/lib/c2

csh the C-shell, csh(1)

sh the Bourne shell, sh(1)

...

demo/
demonstration programs

diag/ system tests and diagnostics

dict/ word lists, etc. 

spellhist
history file for spell(1)

words principal word list, used by look(1)

...

etc/ system administration programs; c.f. section 8

catman
update preformatted man pages, catman(8)

cron the clock daemon, cron(8)

dump file system backup program dump(8)

getty part of login(1), getty(8)

in.comsat
biff server (incoming mail daemon), comsat(8C)

init the parent of all processes, init(8)

mount
mount(8)

yp/ Yellow Pages programs

ypinit build and install Yellow Pages database, ypinit(8)

yppush
force propagation of a changed Yellow Pages map, yppush(8)

ypset point ypbind at a particular server, ypset(8)

...

...

games/

backgammon

lib/ library directory for game scores, etc. 

quiz.k/
what quiz(6) knows

africa countries and capitals

index category index

...

...

...

hosts/
symbolic links to rsh(1C) for commonly accessed remote hosts

include/
standard #include files

a.out.h
object file layout, a.out(5)

images/
icon images

machine/
header files from /usr/share/sys/sys/machine; may be a symbolic link

math.h
intro(3M)

net/ header files from /usr/share/sys/sys/net; may be a symbolic link

nfs/ header files used in the Network File System (NFS)

stdio.h
standard I/O, intro(3S)

sys/ kernel header files, c.f.  /usr/share/sys/sys

...

lib/ object libraries, compiler program binaries, and other data

ccom C compiler proper

cpp C preprocessor

c2 C code improver

eign list of English words to be ignored by ptx(1)

font/ fonts for troff(1)

ftR Times Roman

ftB Times Bold

...

libc.a system calls, standard I/O, etc. (2,3,3S)

libm.a
math library, intro(3M)

lint/ utility files for lint

lint[12]
subprocesses for lint(1V)

llib-lc dummy declarations for /usr/lib/libc.a, used by lint(1V)

llib-lm
dummy declarations for /usr/lib/libm.a

...

units conversion tables for units(1)

uucp/
programs and data for uucp(1C)

L.sys remote system names and numbers

uucico
the real copy program

...

...

local/ locally maintained software

old/ obsolete and unsupported programs

pub/ publicly readable data files

sccs/ binaries of programs that compose the source code control system (SCCS)

src/ system source code tree

stand/
standalone programs (not run under the Sun Operating System)

share/
architecture independent files

lib/ architecture independent data files

termcap
description of terminal capabilities, termcap(5)

tmac/
macros for troff(1)

tmac.an
macros for man(7)

tmac.s
macros for ms(7)

...

...

man/ on-line reference manual pages, man(1)

man?/
source files (nroff(1)) for sections 1 through 8 of the manual

as.1

...

cat?/ preformatted pages for sections 1 through 8 of the manual

...

sys/ SunOS kernel source and object modules

ucb/ binaries of programs developed at the University of California, Berkeley

ex line-oriented editor for experienced users, ex(1)

vi screen-oriented editor, vi(1)

...

/vmunix
the SunOS kernel binary

SEE ALSO

filesystem(7), find(1), finger(1), grep(1V), ls(1V), rlogin(1C), whatis(1), whereis(1), which(1), ncheck(8)

BUGS

The locations of files are subject to change without notice; the organization of your file system may vary. 

This list is incomplete. 

Sun Release 4.0  —  Last change: 10 January 1988