NAME

hier − file system hierarchy

DESCRIPTION

The following outline gives a quick tour through a representative directory hierarchy. 

/root

/dev/devices (4)

MAKEDEV
Shell script to create special files

MAKEDEV.local
site specific part of MAKEDEV

console
main console, tty(4)

tty*terminals, tty(4)

hp*disks, hp(4)

rhp*raw disks, hp(4)

up*UNIBUS disks up(4)

...

/bin/utility programs, cf /usr/bin/ (1)

asassembler

ccC compiler executive, cf /lib/ccom, /lib/cpp, /lib/c2

cshC Shell

...

/etc/essential data and maintenance utilities; sect (8)

dumpdump program dump(8)

passwd
password file, passwd(5)

groupgroup file, group(5)

motdmessage of the day, login(1)

termcap
description of terminal capabilities, termcap(5)

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

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

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

services
network services definition file, services(5)

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

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

cronthe clock daemon, cron(8)

/sys/system source

h/header (include) files

acct.hacct(5)

stat.hstat(2)

...

/tmp/temporary files, usually on a fast device, cf /usr/tmp/

e*used by ed(1)

ctm*used by cc(1)

...

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

adm/administrative information

wtmplogin history, utmp(5)

messages
hardware error messages

tracctphototypesetter accounting, troff(1)

lpacctline printer accounting lpr(1)

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

/usr/bin

utility programs, to keep /bin/ small

tmp/temporaries, to keep /tmp/ small

stm*used by sort(1)

rasterused by plot(1G)

dict/word lists, etc. 

wordsprincipal word list, used by look(1)

spellhist
history file for spell(1)

include/
standard #include files

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

stdio.hstandard I/O, intro(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

atrunscheduler for at(1)

lint/utility files for lint

lint[12]
subprocesses for lint(1)

llib-lcdummy declarations for /lib/libc.a, used by lint(1)

llib-lmdummy declarations for /lib/libc.m

...

struct/
passes of struct(1)

...

tmac/macros for troff(1)

tmac.an
macros for man(5)

tmac.smacros for ms(5)

...

font/fonts for troff(1)

ftRTimes Roman

ftBTimes Bold

...

uucp/programs and data for uucp(1C)

L.sysremote system names and numbers

uucicothe real copy program

...

unitsconversion tables for units(1)

eignlist of English words to be ignored by ptx(1)

/usr/man/

volume 1 of this manual, man(1)

man0/general

introintroduction to volume 1, ms(5) format

xxtemplate for manual page

man1/chapter 1

as.1

mount.1m

...

...

cat1/preformatted pages for section 1

...

msgs/messages, cf msgs(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 everyone

spool/delayed execution files

at/used by at(1)

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

LOGFILE
summary log

LOG.*log file for one transaction

mail/mailboxes for mail(1)

name mail file for user name

name.lock
lock file while name is receiving mail

secretmail/
like mail/

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

LOGFILE
summary log

LOG.*log file for one transaction

mqueue/
mail queue for sendmail(8)

wd initial working directory of a user, typically wd is the user’s login name

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

.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) )

.netrc startup file for various network programs

.msgsrc
startup file for msgs(1)

.mailrc
startup file for mail(1)

calendar
user’s datebook for calendar(1)

doc/papers, mostly in volume 2 of this manual, typically in ms(5) format

as/assembler manual

cC manual

...

RELATED INFORMATION

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