HIER(7) UNIX Programmer's Manual HIER(7)
NAME
hier - file system hierarchy
DESCRIPTION
The following outline gives a quick tour through a represen-
tative directory hierarchy.
/ root
/dev/
devices (4)
console
main console, _t_t_y(4)
tty* terminals, _t_t_y(4)
cat phototypesetter _c_a_t(4)
rp* disks, _r_p, _h_p(4)
rrp* raw disks, _r_p, _h_p(4)
...
/bin/
utility programs, cf /usr/bin/ (1)
as assembler first pass, cf /usr/lib/as2
cc C compiler executive, cf /usr/lib/c[012]
...
/lib/
object libraries and other stuff, cf /usr/lib/
libc.a
system calls, standard I/O, etc. (2,3,3S)
libm.a
math routines (3M)
libplot.a
plotting routines, _p_l_o_t(3X)
...
as2 second pass of _a_s(1)
c[012]
passes of _c_c(1)
...
/etc/
essential data and dangerous maintenance utilities
passwd
password file, _p_a_s_s_w_d(5)
group
group file, _g_r_o_u_p(5)
motd message of the day, _l_o_g_i_n(1)
mtab mounted file table, _m_t_a_b(5)
dtab device table for _a_u_t_o_c_o_n_f_i_g(8)
ddate
dump history, _d_u_m_p(8)
ttys properties of terminals, _t_t_y_s(5)
getty
part of _l_o_g_i_n, _g_e_t_t_y(8)
init the father of all processes, _i_n_i_t(8)
rc shell program to bring the system up
cron the clock daemon, _c_r_o_n(8)
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mount
_m_o_u_n_t(8)
wall _w_a_l_l(8)
...
/tmp/
temporary files, usually on a fast device, cf /usr/tmp/
e* used by _e_d(1)
ctm* used by _c_c(1)
...
/usr/
general-pupose directory, usually a mounted file system
adm/ administrative information
wtmp login history, _u_t_m_p(5)
messages
hardware error messages
tracct
phototypesetter accounting, _t_r_o_f_f(1)
vpacct
line printer accounting _l_p_r(1)
/usr /bin
utility programs, to keep /bin/ small
tmp/ temporaries, to keep /tmp/ small
stm* used by _s_o_r_t(1)
raster
used by _p_l_o_t(1)
dict/
word lists, etc.
words
principal word list, used by _l_o_o_k(1)
spellhist
history file for _s_p_e_l_l(1)
games/
bj blackjack
hangman
quiz.k/
what _q_u_i_z(6) knows
index
category index
africa
countries and capitals
...
...
include/
standard #include files
a.out.h
object file layout, _a._o_u_t(5)
stdio.h
standard I/O, _s_t_d_i_o(3)
math.h
(3M)
...
sys/ system-defined layouts
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acct.h
process accounts, _a_c_c_t(5)
buf.h
internal system buffers
...
lib/ object libraries and stuff, to keep /lib/ small
lint[12]
subprocesses for _l_i_n_t(1)
libF77.a
Fortran runtime support
libI77.a
Fortran I/O
llib-lc
dummy declarations for /lib/libc.a, used by
_l_i_n_t(1)
llib-lm
dummy declarations for /lib/libm.a
atrun
scheduler for _a_t(1)
struct/
passes of _s_t_r_u_c_t(1)
...
tmac/
macros for _t_r_o_f_f(1)
tmac.an
macros for _m_a_n(7)
tmac.s
macros for _m_s(7)
...
font/
fonts for _t_r_o_f_f(1)
R Times Roman
B Times Bold
...
uucp/
programs and data for _u_u_c_p(1)
L.sys
remote system names and numbers
uucico
the real copy program
...
units
conversion tables for _u_n_i_t_s(1)
eign list of English words to be ignored by _p_t_x(1)
/usr/ man/
volume 1 of this manual, _m_a_n(1)
man0/
general
intro
introduction to volume 1, _m_s(7) format
template
template for manual page
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man1/
chapter 1
as.1
at.1
...
cat1/
preprinted pages for man1/
as.1
at.1
...
spool/
delayed execution files
at/ used by _a_t(1)
lpd/ used by _l_p_r(1)
lock present when line printer is active
cf* copy of file to be printed, if necessary
df* daemon control file, _l_p_d(8)
tf* transient control file, while _l_p_r is
working
uucp/
work files and staging area for _u_u_c_p(1)
LOGFILE
summary log
LOG.*
log file for one transaction
mail/
mailboxes for _m_a_i_l(1)
_u_i_d mail file for user _u_i_d
_w_d initial working directory of a user, typically _w_d
is the user's login name
.profile
set environment for _s_h(1), _e_n_v_i_r_o_n(5)
calendar
user's datebook for _c_a_l_e_n_d_a_r(1)
doc/ papers, mostly in volume 2 of this manual,
typically in _m_s(7) format
as/ assembler manual
c C manual
...
/usr/ src/
source programs for utilities, etc.
cmd/ source of commands
as/ assembler
makefile
recipe for rebuilding the assembler
as1?.s
source of pass1
ar.c source for _a_r(1)
...
troff/
source for _n_r_o_f_f and _t_r_o_f_f(1)
nmake
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makefile for _n_r_o_f_f
tmake
makefile for _t_r_o_f_f
font/
source for font tables,
/usr/lib/font/
ftR.c
Roman
...
term/
terminal characteristics tables,
/usr/lib/term/
tab300.c
DASI 300
...
...
sys/ system source
dev/ device drivers
bio.c
common code
cat.c
_c_a_t(4)
dh.c DH11, _t_t_y(4)
tty _t_t_y(4)
...
MACHINEID/
hardware-dependent code for machine
MACHINEID
ioconf.c
local device specifications
l.s interrupt vectors
param.c
tunable parameters
...
sys/ source for system proper
main.c
pipe.c
sysent.c
system entry points
...
stand/
source for standalone utilities
restor.c
libsa/
mtboot.s
bootstrap/
source for second-stage boot
boot.c
M.s
mdec/
source for device-dependent first-stage
boot
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hpuboot.s
rkuboot.s
...
lib/c/
source for functions in /lib/libc.a
crt/ C runtime support
ldiv.s
division into a long
lmul.s
multiplication to produce long
...
csu/ startup and wrapup routines needed with
every C program
crt0.s
regular startup
mcrt0.s
modified startup for _c_c -_p
sys/ system calls (2)
access.s
alarm.s
...
stdio/
standard I/O functions (3S)
fgets.c
fopen.c
...
gen/ other functions in (3)
abs.c
atof.c
...
compall
shell procedure to compile libc
mklib
shell procedure to make /lib/libc.a
lib/libI77/
source for /usr/lib/libI77.a
lib/libF77/
...
games/
source for /usr/games
SEE ALSO
find(1), grep(1), ls(1), ncheck(8),
BUGS
The position of files is subject to change without notice.
Printed 8/2/83 6