NAME

hier − file system hierarchy

DESCRIPTION

The following gives a quick tour through the root file system.  Listed are the major directory hierarchy and representative files. 

/root directory for root file system

/usr/bindirectory for utility programs (contains binaries necessary for single-user mode)

asassembler

ccC compiler executive (see also /lib/ccom, /lib/cpp, /lib/c2)

csh
C shell

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/devdirectory for devices

MAKEDEV
shell script to create special files

MAKEDEV.local
site specific part of MAKEDEV

console
main console, tty()

hp*
disks, hp()

rhp*
raw disks, hp()

ra*
UNIBUS disks ra()

tty*
terminals, tty()

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/etcdirectory for data files and shell scripts for booting

/usr/etc/cron
clock daemon, cron()

disktab
disk characteristics and partition tables, disktab()

/usr/etc/dump
dump program, dump(8)

dumpdates
dump history for dump()

fstab
file system configuration table, fstab()

/usr/etc/getty
part of login, getty()

group
group file, group()

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

/bin/init
parent of all processes, init()

motd
message-of-the-day file, login()

/bin/mount
mount program, mount()

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

passwd
password file, passwd()

protocols
name to number mapping file, protocols()

rcshell script to bring the system to multi-user mode

rc.local
site dependent portion of rc

remote
names and description of remote hosts for tip(,), remote()

services
network services definition file, services()

termcap
description of terminal capabilities, termcap()

ttys
properties of terminals, ttys()

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/usr/libdirectory object libraries

ccom
C compiler proper

cpp
C preprocessor

c2C code improver

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

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

/syssymbolic link, normally to /usr/sys

/tmpdirectory for temporary files (see also /usr/tmp)

e*used by ed()

ctm*
used by cc()

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/usrgeneral purpose directory, normally on which the /usr file system is mounted (see description below)

/vmunixkernel image

The following gives a quick tour through the /usr file system.  Listed are the major directory hierarchy and representative files. 

/usrroot directory for /usr file system

/usr/admdirectory for administrative information

crash
directory for crash dumps

vmcore.?,vmunix.?
crash dump files

lpacct
line printer accounting, lpr()

tracct
phototypesetter accounting, troff()

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

wtmp
login history, utmp()

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/usr/bindirectory for utility programs and shell scripts (keeps /bin small)

/usr/etcdirectory for utility programs and shell scripts

/usr/dictdirectory for word lists

spellhist
history file, spell()

words
word list, look()

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/usr/docdirectories containing files for the Vol.2 documentation

asassembler manual

cC manual

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/usr/games
directory for games

hangman
hangman game

lib
library directory for games

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/usr/guestdirectory for guest accounts

/usr/include
directory for standard #include files

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

math.h
matherr()

stdio.h
standard I/O, intro()

sys
symbolic link to /sys/h (system generation #include files)

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/usr/libdirectory for object libraries (keeps /lib small)

atrun
system scheduler, at()

/etc/crontab
system clock daemon table

font
directory for nroff() and troff() fonts

lint
directory for utility files for lint()

tmac
directory for troff() macros

units
data file of conversion tables for units()

uucp
directory for uucp() programs and data

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/usr/mandirectory for unformatted and preformatted man pages

man1
directory for section 1 (unformatted)

man2
directory for section 2 (unformatted)

man3
directory for section 3 (unformatted)

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cat1
directory for section 1 (preformatted)

cat2
directory for section 2 (preformatted)

cat3
directory for section 3 (preformatted)

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/usr/mdecdirectory for ULTRIX-32 boot files

/usr/msgsdirectory for messages, msgs()

/usr/newdirectory for binaries of new versions of programs

/usr/preserve
directory for editor temp files preserved after crashes/hangups

/usr/pubdirectory for binaries of user programs

/usr/skeldirectory for sample user startup files

.cshrc
startup file for csh()

.login
login startup file for csh()

.mailrc
startup file for mail()

.profile
startup file for sh()

.project
lists information used by finger()

/usr/spooldirectory for delayed execution files

atdirectory used by at()

lpd
directory used by lpr()

lock
present when line printer is active

cf*
copy of file to be printed, if necessary

df*
daemon control file, lpd()

tf*
transient control file (exists while lpr is working)

mail
directory of mailboxes for mail()

name
mail file for user name

name.lock
lock file (exists while name is receiving mail)

uucp
directory for work files and staging area for uucp()

LOGFILE
summary log

/usr/srcdirectory for generic sources

usr.bin
directory for user sources

troff
directory for nroff and troff sources

term
directory of description files for new printers

/usr/sysdirectory for system files

BINARY
directory for system object files, make()

cassette
directory of files for boot cassette

conf
directory of configuration files, config()

data
directory for drive partition tables

floppy
directory of files for floppy disk

h
directory for system #include files

mdec
directory of headers for 11/750 boot blocks

net
directory for general network files

netimp
directory for IMP network files

netinet
directory for DARPA internet network files

netpup
directory for PUP network files

stand
directory for standalone boot binaries

sys
directory for machine dependent system files

vax
directory for VAX specific system files

vaxif
directory of network interface drivers for the VAX

vaxmba
directory of drivers for devices on the MASSBUS

vaxuba
directory of drivers for devices on the UNIBUS

/usr/tmpsymbolic link to /tmp

SEE ALSO

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