1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
|
.\" $OpenBSD: hier.7,v 1.26 2001/06/27 03:32:57 angelos Exp $
.\" $NetBSD: hier.7,v 1.7 1994/11/30 19:07:10 jtc Exp $
.\"
.\" Copyright (c) 1990, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)hier.7 8.1 (Berkeley) 6/5/93
.\"
.Dd June 5, 1993
.Dt HIER 7
.Os
.Sh NAME
.Nm hier
.Nd layout of filesystems
.Sh DESCRIPTION
A sketch of the filesystem hierarchy.
.Bl -tag -width "/stand/"
.It Li /
Root directory.
.It Li /altroot/
Alternate (backup) location for the root
.Pq Sq /
filesystem.
.It Li /bin/
User utilities fundamental to both single and multi-user environments.
These programs are statically compiled and therefore do not depend on any
system libraries to run.
.It Li /bsd
Pure kernel executable (the operating system loaded into memory
at boot-time).
.It Li /dev/
Block and character device files.
.Pp
.Bl -tag -width MAKEDEV -compact
.It Li MAKEDEV
Script for creating device files (see
.Xr makedev 8 ) .
.It Li fd/
File descriptor files (see
.Xr fd 4 ) .
.El
.It Li /emul/
Base directory for alternate areas searched first when system call
emulation is in effect (see
.Xr compat_bsdos 8 ,
.Xr compat_freebsd 8 ,
.Xr compat_ibcs2 8 ,
.Xr compat_linux 8 ,
.Xr compat_sunos 8 ,
.Xr compat_svr4 8 ,
.Xr compat_ultrix 8 ) .
.It Li /etc/
System configuration files and scripts.
.Pp
.Bl -tag -width "disklabels/" -compact
.It Li localtime
Local timezone information (see
.Xr ctime 3 ) .
.It Li disklabels/
Backup disklabels (see
.Xr disklabel 8 ) .
.It Li kerberosIV/
Configuration files for the Kerberos version IV system (see
.Xr kerberos 1 ) .
.It Li mail/
.Xr sendmail 8
configuration files (including
.Xr aliases 5 ).
.It Li mtree/
.Xr mtree
configuration files (see
.Xr mtree 8 ) .
.It Li ppp/
.Xr pppd
configuration files (see
.Xr pppd 8 ) .
.It Li skel/
Example
.Dq \&.
(dot) files for new accounts.
.It Li uucp/
.Xr uucp
configuration files (see
.Xr uucp 1 ) .
.El
.It Li /home/
Default location for user home directories.
.It Li /mnt/
Empty directory commonly used by
system administrators as a temporary mount point.
.It Li /root/
Default home directory for the superuser.
.It Li /sbin/
System programs and administration utilities
fundamental to both single and multi-user environments.
.It Li /stand/
Programs used in a stand-alone environment.
.It Li /tmp/
Temporary files, usually an
.Xr mfs 8
memory-based filesystem (the contents
of
.Pa /tmp
are usually
.Em not
preserved across a system reboot).
.It Li /usr/
Contains the majority of user utilities and applications.
.Pp
.Bl -tag -width "libdata/" -compact
.It Li X11R6/
Files required for the X11 window system.
.Pp
.Bl -tag -width "include/" -compact
.It Li bin/
X11 binaries.
.It Li include/
X11-specific C include files.
.It Li lib/
X11 archive libraries.
.Pp
.Bl -tag -width "X11/" -compact
.It Li X11/
Default configuration files for X11 and companion applications (see
.Xr xdm 1 ,
.Xr xkb 1 ,
.Xr twm 1 ) .
.Pp
.El
.It Li man/
X11 manual pages.
.El
.Pp
.It Li bin/
Common utilities, programming tools, and applications.
.It Li games/
Useful and semi-frivolous programs.
.It Li include/
Standard C include files.
.Pp
.Bl -tag -width "kerberosIV/" -compact
.It Li arpa/
C include files for Internet service protocols.
.It Li kerberosIV/
C include files for Kerberos authentication package (see
.Xr kerberos 1 ) .
.It Li crypto/
C include files for the cryptographic libraries.
.It Li ddb/
C include files for the kernel debugger (see
.Xr ddb 4 ) .
.It Li g++/
Include files for the GNU C++ compiler.
.It Li isofs/
C include files for the ISO standard file systems (currently only cd9660).
.It Li miscfs/
C include files for miscellaneous file systems.
.It Li netatalk/
C include files for the AppleTalk protocol.
.It Li netccitt/
.It Li netipx/
C include files for the IPX protocol.
.It Li netnatm/
.It Li objc/
C include files for GNU Objective-C.
.It Li ssl/
C include files for the OpenSSL library (see
.Xr ssl 8 ) .
.It Li readline/
.It Li rpc/
C include files for remote procedure calling (see
.Xr rpc 5 ) .
.It Li rpcsvc/
.It Li scsi/
SCSI-specific C include files.
.It Li uvm/
C include files for the New and Improved virtual memory interface.
.It Li vm/
C include files for the virtual memory interface.
.It Li xfs/
C include files for the XFS file system.
.It Li dev/
Device-specific C include files.
.It Li machine/
Machine specific C include files.
.It Li net/
Miscellaneous network C include files.
.It Li netinet/
C include files for Internet standard protocols (see
.Xr inet 4 ) .
.It Li netinet6/
C include files for Internet protocol version 6 (see
.Xr inet6 4 ) .
.It Li netiso/
C include files for ISO standard protocols (see
.Xr iso 4 ) .
.It Li netns/
C include files for XNS standard protocols (see
.Xr ns 4 ) .
.It Li nfs/
C include files for NFS (Network File System).
.It Li protocols/
C include files for Berkeley service protocols.
.It Li sys/
System C include files (kernel data structures).
.It Li ufs/
C include files for UFS (the U-word File System).
.El
.Pp
.It Li lib/
Archive libraries.
.It Li libdata/
Miscellaneous utility data files.
.It Li libexec/
System daemons and utilities (executed by other programs).
.Pp
.Bl -tag -width "auth/" -compact
.It Li auth/
Login scripts used to authenticate users (for BSD authentication).
.El
.Pp
.It Li lkm/
.It Li mdec/
.It Li local/
Local executables, libraries, etc.
.It Li obj/
Architecture specific target tree produced by building the
.Pa /usr/src
tree.
.It Li ports/
The OpenBSD ports collection (see
.Xr ports 7 ) .
.It Li sbin/
System daemons and utilities (executed by users).
.It Li share/
Architecture independent data files.
.Pp
.Bl -tag -width "groff_font/" -compact
.It Li calendar/
Variety of pre-fab calendar files (see
.Xr calendar 1 ) .
.It Li dict/
Word lists (see
.Xr look 1 ) .
.Pp
.Bl -tag -width Fl -compact
.It Li words
Common words.
.It Li web2
Words from Webster's 2nd International.
.It Li web2a
Additional words from Webster's.
.It Li propernames
List of proper names.
.It Li eign
.It Li papers/
Reference databases (see
.Xr refer 1 ) .
.It Li special/
Custom word lists.
.El
.Pp
.It Li doc/
Miscellaneous documentation;
source for most of the printed
.Bx 4.3
manuals (available
from the
.Tn USENIX
association).
.It Li games/
ASCII text files used by various games.
.It Li groff_font/
GNU troff shared fonts.
.It Li info/
Texinfo source files.
.It Li ipsec/
IPsec example files.
.It Li lkm/
Example source code implementing several lkm module types (see
.Xr lkm 4 ) .
.It Li locale/
.It Li man/
Manual pages.
.It Li misc/
Miscellaneous system-wide ASCII text files.
.Bl -tag -width Fl
.It Li termcap
Terminal characteristics database (see
.Xr termcap 5 ) .
.El
.Pp
.It Li mk/
Templates for
.Xr make
(see
.Xr make 1 ) .
.It Li nls/
.It Li sendmail/
Example files for
.Xr sendmail 8 .
.It Li vi/catalog/
Catalog files for the
.Xr vi 1
text editor.
.It Li tabset/
Tab description files for a variety of terminals; used in
the termcap file (see
.Xr termcap 5 ) .
.It Li tmac/
Text processing macros (see
.Xr nroff 1
and
.Xr troff 1 ) .
.It Li zoneinfo/
Timezone configuration information (see
.Xr tzfile 5 ) .
.El
.Pp
.It Li src/
BSD and/or local source files
.Pp
.Bl -tag -width "kerberosIV/" -compact
.It Li bin/
Source for files in
.Pa /bin .
.It Li etc/
Source for files in
.Pa /etc .
.It Li games/
Source for files in
.Pa /usr/games .
.It Li gnu/
Source for files with GPL license.
.It Li include/
Source for files in
.Pa /usr/include .
.It Li kerberosIV/
Source for Kerberos version IV.
.It Li lib/
Source for files in
.Pa /usr/lib .
.It Li libexec/
Source for files in
.Pa /usr/libexec .
.It Li lkm/
Source for files in
.Pa /usr/lkm .
.It Li sbin/
Source for files in
.Pa /sbin .
.It Li share/
Source for files in
.Pa /usr/share .
.It Li sys/
Kernel source files.
.It Li usr.bin/
Source for files in
.Pa /usr/bin .
.It Li usr.sbin/
Source for files in
.Pa /usr/sbin .
.El
.El
.It Li /var/
Multi-purpose log, temporary, transient, and spool files.
.Pp
.Bl -tag -width "preserve/" -compact
.It Li account/
System accounting files.
.Pp
.Bl -tag -width Fl -compact
.It Li acct
Execution accounting file (see
.Xr acct 5 ) .
.El
.Pp
.It Li at/
.Xr timed 8
command scheduling files (see
.Xr at 1 ) .
.It Li backups/
Miscellaneous backup files.
.It Li db/
Miscellaneous automatically generated system-specific database files.
.It Li games/
Miscellaneous game status and log files.
.It Li log/
Miscellaneous system log files.
.Pp
.Bl -tag -width Fl -compact
.It Li wtmp
Login/logout log (see
.Xr wtmp 5 ) .
.El
.Pp
.It Li mail/
User mailbox files.
.It Li namedb/
.Xr named
configuration files (see
.Xr named 8 ) .
.It Li preserve/
Temporary home of files preserved after an accidental death
of an editor (see
.Xr ex 1 ) .
.It Li quotas/
Filesystem quota information files.
.It Li run/
System information files describing various info about the
system since it was booted.
.Pp
.Bl -tag -width Fl -compact
.It Li utmp
Database of current users (see
.Xr utmp 5 ) .
.El
.Pp
.It Li rwho/
.Xr rwho
data files (see
.Xr rwhod 8 ,
.Xr rwho 1 ,
and
.Xr ruptime 1 ) .
.It Li spool/
Miscellaneous printer and mail system spooling directories.
.Pp
.Bl -tag -width Fl -compact
.It Li ftp/
Commonly ~ftp; the anonymous ftp root directory.
.It Li mqueue/
Undelivered mail queue (see
.Xr sendmail 8 ) .
.It Li output/
Line printer spooling directories.
.It Li uucp/
.Xr uucp
spool directory.
.It Li uucppublic/
Commonly ~uucp; public uucp temporary directory.
.El
.Pp
.It Li tmp/
Temporary files that are kept between system reboots.
.El
.El
.Sh SEE ALSO
.Xr apropos 1 ,
.Xr find 1 ,
.Xr locate 1 ,
.Xr whatis 1 ,
.Xr whereis 1 ,
.Xr which 1
.Sh HISTORY
A
.Nm
manual page appeared in
.At v7 .
|