2.11BSD/man/cat7/hier.0
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
/vmunix
the kernel binary (UNIX itself)
/lost+found
directory for connecting detached files for _f_s_c_k(8)
/dev/
devices (4)
MAKEDEV
shell script to create special files
MAKEDEV.local
site specific part of MAKEDEV
console
main console, _t_t_y(4)
tty* terminals, _t_t_y(4)
hp* disks, _h_p(4)
rhp* raw disks, _h_p(4)
up* UNIBUS disks _u_p(4)
...
/bin/
utility programs, cf /usr/bin/ (1)
as assembler
cc C compiler executive, cf /lib/ccom, /lib/cpp,
/lib/c2
csh C shell
...
/lib/
object libraries and other stuff, cf /usr/lib/
libc.a
system calls, standard I/O, etc. (2,3,3S)
...
ccom C compiler proper
cpp C preprocessor
c2 C code improver
...
/etc/
essential data and maintenance utilities; sect (8)
dump dump program _d_u_m_p(8)
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)
termcap
description of terminal capabilities, _t_e_r_m_c_a_p(5)
ttytype
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table of what kind of terminal is on each port,
_t_t_y_t_y_p_e(5)
mtab mounted file table, _m_t_a_b(5)
dumpdates
dump history, _d_u_m_p(8)
fstab
file system configuration table _f_s_t_a_b(5)
disktab
disk characteristics and partition tables,
_d_i_s_k_t_a_b(5)
hosts
host name to network address mapping file,
_h_o_s_t_s(5)
networks
network name to network number mapping file,
_n_e_t_w_o_r_k_s(5)
protocols
protocol name to protocol number mapping file,
_p_r_o_t_o_c_o_l_s(5)
services
network services definition file, _s_e_r_v_i_c_e_s(5)
remote
names and description of remote hosts for _t_i_p(1C),
_r_e_m_o_t_e(5)
phones
private phone numbers for remote hosts, as
described in _p_h_o_n_e_s(5)
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 parent of all processes, _i_n_i_t(8)
rc shell program to bring the system up
rc.local
site dependent portion of _r_c
cron the clock daemon, _c_r_o_n(8)
mount
_m_o_u_n_t(8)
...
/sys/
system source
h/ header (include) files
acct.h
_a_c_c_t(5)
stat.h
_s_t_a_t(2)
...
sys/ machine independent system source
init_main.c
uipc_socket.c
ufs_syscalls.c
...
conf/
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site configuration files
GENERIC
...
net/ general network source
netinet/
DARPA Internet network source
netimp/
network code related to use of an IMP
if_imp.c
if_imphost.c
if_imphost.h
...
vax/ source specific to the VAX
locore.s
machdep.c
...
vaxuba/
device drivers for hardware which resides on the
UNIBUS
uba.c
dh.c
up.c
...
vaxmba/
device drivers for hardware which resides on the
MASBUS
mba.c
hp.c
ht.c
...
vaxif
network interface drivers for the VAX
if_en.c
if_ec.c
if_vv.c
...
/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)
lpacct
line printer accounting _l_p_r(1)
vaacct, vpacct
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varian and versatec accounting _v_p_r(1),
_v_t_r_o_f_f(1), _p_a_c(8)
/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(1G)
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/
hangman
lib/ library of stuff for the games
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, _i_n_t_r_o(3S)
math.h
(3M)
...
sys/ system-defined layouts, cf /sys/h
net/ symbolic link to sys/net
machine/
symbolic link to sys/machine
...
lib/ object libraries and stuff, to keep /lib/ small
atrun
scheduler for _a_t(1)
lint/
utility files for lint
lint[12]
subprocesses for _l_i_n_t(1)
llib-lc
dummy declarations for /lib/libc.a, used
by _l_i_n_t(1)
llib-lm
dummy declarations for /lib/libc.m
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...
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)
ftR Times Roman
ftB Times Bold
...
uucp/
programs and data for _u_u_c_p(1C)
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
xx template for manual page
man1/
chapter 1
as.1
mount.1m
...
...
cat1/
preformatted pages for section 1
...
msgs/
messages, cf _m_s_g_s(1)
bounds
highest and lowest message
new/ binaries of new versions of programs
preserve/
editor temporaries preserved here after
crashes/hangups
public/
binaries of user programs - write permission to
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everyone
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(1C)
LOGFILE
summary log
LOG.*
log file for one transaction
mail/
mailboxes for _m_a_i_l(1)
_n_a_m_e mail file for user _n_a_m_e
_n_a_m_e.lock
lock file while _n_a_m_e is receiving mail
secretmail/
like _m_a_i_l/
uucp/
work files and staging area for _u_u_c_p(1C)
LOGFILE
summary log
LOG.*
log file for one transaction
mqueue/
mail queue for _s_e_n_d_m_a_i_l(8)
_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(7)
.project
what you are doing (used by ( _f_i_n_g_e_r(1) )
.cshrc
startup file for _c_s_h(1)
.exrc
startup file for _e_x(1)
.plan
what your short-term plans are (used by
_f_i_n_g_e_r(1) )
.netrc
startup file for various network programs
.msgsrc
startup file for _m_s_g_s(1)
.mailrc
startup file for _m_a_i_l(1)
calendar
user's datebook for _c_a_l_e_n_d_a_r(1)
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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.
bin/ source of commands in /bin
as/ assembler
ar.c source for _a_r(1)
...
usr.bin/
source for commands in /usr/bin
troff/
source for _n_r_o_f_f and _t_r_o_f_f(1)
font/
source for font tables, /usr/lib/font/
ftR.c
Roman
...
term/
terminal characteristics tables,
/usr/lib/term/
tab300.c
DASI 300
...
...
ucb source for programs in /usr/ucb
games/
source for /usr/games
lib/ source for programs and archives in /lib
libc/
C runtime library
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
brk.s
...
stdio/
standard I/O functions (3S)
fgets.c
fopen.c
...
gen/ other functions in (3)
abs.c
...
net/ network functions in (3N)
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gethostbyname.c
...
local/
source which isn't normally distributed
new/ source for new versions of commands and library
routines
old/ source for old versions of commands and library
routines
ucb/ binaries of programs developed at UCB
...
edit editor for beginners
ex command editor for experienced users
...
mail mail reading/sending subsystem
man on line documentation
...
pi Pascal translator
px Pascal interpreter
...
vi visual editor
SEE ALSO
ls(1), apropos(1), whatis(1), whereis(1), finger(1),
which(1), ncheck(8), find(1), grep(1)
BUGS
The position of files is subject to change without notice.
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