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1.1 root 1: .TH HIER 7 "1 February 1983"
2: .UC 4
3: .SH NAME
4: hier \- file system hierarchy
5: .SH DESCRIPTION
6: The following outline gives a quick tour through a representative
7: directory hierarchy.
8: .na
9: .nh
10: .IP /
11: root
12: .PD 0
13: .IP /vmunix
14: the kernel binary (UNIX itself)
15: .IP /lost+found
16: directory for connecting detached files for
17: .IR fsck (8)
18: .IP /dev/
19: devices (4)
20: .RS
21: .IP MAKEDEV
22: shell script to create special files
23: .IP MAKEDEV.local
24: site specific part of MAKEDEV
25: .IP console
26: main console,
27: .IR tty (4)
28: .IP tty*
29: terminals,
30: .IR tty (4)
31: .IP fsd*
32: disks,
33: .IR fsd (4)
34: .IP rfsd*
35: raw disks,
36: .IR fsd (4)
37: .IP ...
38: .RE
39: .IP /bin/
40: utility programs, cf /usr/bin/ (1)
41: .RS
42: .IP as
43: assembler
44: .IP cc
45: C compiler executive, cf /lib/ccom, /lib/cpp, /lib/c2
46: .IP csh
47: C shell
48: .IP ...
49: .RE
50: .IP /lib/
51: object libraries and other stuff, cf /usr/lib/
52: .RS
53: .IP libc.a
54: system calls, standard I/O, etc. (2,3,3S)
55: .IP ...
56: .IP ccom
57: C compiler proper
58: .IP cpp
59: C preprocessor
60: .IP c2
61: C code improver
62: .IP ...
63: .RE
64: .IP /etc/
65: essential data and maintenance utilities; sect (8)
66: .RS
67: .IP dump
68: dump program
69: .IR dump (8)
70: .IP passwd
71: password file,
72: .IR passwd (5)
73: .IP group
74: group file,
75: .IR group (5)
76: .IP motd
77: message of the day,
78: .IR login (1)
79: .IP termcap
80: description of terminal capabilities,
81: .IR termcap (5)
82: .IP ttytype
83: table of what kind of terminal is on each port,
84: .IR ttytype (5)
85: .IP mtab
86: mounted file table,
87: .IR mtab (5)
88: .IP dumpdates
89: dump history,
90: .IR dump (8)
91: .IP fstab
92: file system configuration table
93: .IR fstab (5)
94: .IP disktab
95: disk characteristics and partition tables,
96: .IR disktab (5)
97: .IP hosts
98: host name to network address mapping file,
99: .IR hosts (5)
100: .IP networks
101: network name to network number mapping file,
102: .IR networks (5)
103: .IP protocols
104: protocol name to protocol number mapping file,
105: .IR protocols (5)
106: .IP services
107: network services definition file,
108: .IR services (5)
109: .IP remote
110: names and description of remote hosts for
111: .IR tip (1C),
112: .IR remote (5)
113: .IP phones
114: private phone numbers for remote hosts, as described in
115: .IR phones (5)
116: .IP ttys
117: properties of terminals,
118: .IR ttys (5)
119: .IP getty
120: part of
121: .IR login ,
122: .IR getty (8)
123: .IP init
124: the parent of all processes,
125: .IR init (8)
126: .IP rc
127: shell program to bring the system up
128: .IP rc.local
129: site dependent portion of
130: .I rc
131: .IP cron
132: the clock daemon,
133: .IR cron (8)
134: .IP mount
135: .IR mount (8)
136: .IP ...
137: .RE
138: .IP /sys/
139: system source
140: .RS
141: .IP h/
142: header (include) files
143: .RS
144: .IP acct.h
145: .IR acct (5)
146: .IP stat.h
147: .IR stat (2)
148: .IP ...
149: .RE
150: .IP sys/
151: machine independent system source
152: .RS
153: .IP init_main.c
154: .IP uipc_socket.c
155: .IP ufs_syscalls.c
156: .IP ...
157: .RE
158: .IP conf/
159: site configuration files
160: .RS
161: .IP GENERIC
162: .IP ...
163: .RE
164: .IP net/
165: general network source
166: .IP netinet/
167: DARPA Internet network source
168: .IP netimp/
169: network code related to use of an IMP
170: .RS
171: .IP if_imp.c
172: .IP if_imphost.c
173: .IP if_imphost.h
174: .IP ...
175: .RE
176: .IP tahoe/
177: source specific to the Tahoe
178: .RS
179: .IP locore.s
180: .IP machdep.c
181: .IP ...
182: .RE
183: .IP vba/
184: device drivers for hardware which resides on the VERSABUS
185: .RS
186: .IP vddc.c
187: .IP cy.c
188: .IP vioc.c
189: .IP ...
190: .RE
191: .IP /tmp/
192: temporary files, usually on a fast device, cf /usr/tmp/
193: .RS
194: .IP e*
195: used by
196: .IR ed (1)
197: .IP ctm*
198: used by
199: .IR cc (1)
200: .IP ...
201: .RE
202: .IP /usr/
203: general-pupose directory, usually a mounted file system
204: .RS
205: .IP adm/
206: administrative information
207: .RS
208: .IP wtmp
209: login history,
210: .IR utmp (5)
211: .IP messages
212: hardware error messages
213: .IP tracct
214: phototypesetter accounting,
215: .IR troff (1)
216: .IP lpacct
217: line printer accounting
218: .IR lpr (1)
219: .IP "vaacct, vpacct"
220: varian and versatec accounting
221: .IR vpr (1),
222: .IR vtroff (1),
223: .IR pac (8)
224: .RE
225: .RE
226: .IP /usr\t/bin
227: .RS
228: utility programs, to keep /bin/ small
229: .IP tmp/
230: temporaries, to keep /tmp/ small
231: .RS
232: .IP stm*
233: used by
234: .IR sort (1)
235: .IP dict/
236: word lists, etc.
237: .RS
238: .IP words
239: principal word list, used by
240: .IR look (1)
241: .IP spellhist
242: history file for
243: .IR spell (1)
244: .RE
245: .IP ...
246: .RE
247: .IP include/
248: standard #include files
249: .RS
250: .IP a.out.h
251: object file layout,
252: .IR a.out (5)
253: .IP stdio.h
254: standard I/O,
255: .IR intro (3S)
256: .IP math.h
257: (3M)
258: .IP ...
259: .IP sys/
260: system-defined layouts, cf /sys/h
261: .IP net/
262: symbolic link to sys/net
263: .IP machine/
264: symbolic link to sys/machine
265: .IP ...
266: .RE
267: .IP lib/
268: object libraries and stuff, to keep /lib/ small
269: .RS
270: .IP atrun
271: scheduler for
272: .IR at (1)
273: .IP lint/
274: utility files for lint
275: .RS
276: .IP lint[12]
277: subprocesses for
278: .IR lint (1)
279: .IP llib-lc
280: dummy declarations for /lib/libc.a, used by
281: .IR lint (1)
282: .IP llib-lm
283: dummy declarations for /lib/libc.m
284: .IP ...
285: .RE
286: .IP struct/
287: passes of
288: .IR struct (1)
289: .IP ...
290: .IP tmac/
291: macros for
292: .IR troff (1)
293: .RS
294: .IP tmac.an
295: macros for
296: .IR man (7)
297: .IP tmac.s
298: macros for
299: .IR ms (7)
300: .IP ...
301: .RE
302: .IP font/
303: fonts for
304: .IR troff (1)
305: .RS
306: .IP ftR
307: Times Roman
308: .IP ftB
309: Times Bold
310: .IP ...
311: .RE
312: .IP uucp/
313: programs and data for
314: .IR uucp (1C)
315: .RS
316: .IP L.sys
317: remote system names and numbers
318: .IP uucico
319: the real copy program
320: .IP ...
321: .RE
322: .IP units
323: conversion tables for
324: .IR units (1)
325: .IP eign
326: list of English words to be ignored by
327: .IR ptx (1)
328: .RE
329: .RE
330: .br
331: .ne 5
332: .IP /usr/\tman/
333: .RS
334: volume 1 of this manual,
335: .IR man (1)
336: .RS
337: .IP man0/
338: general
339: .RS
340: .IP intro
341: introduction to volume 1,
342: .IR ms (7)
343: format
344: .IP xx
345: template for manual page
346: .RE
347: .IP man1/
348: chapter 1
349: .RS
350: .IP as.1
351: .IP mount.1m
352: .IP ...
353: .RE
354: .IP ...
355: .IP cat1/
356: preformatted pages for section 1
357: .IP ...
358: .RE
359: .IP msgs/
360: messages, cf
361: .IR msgs (1)
362: .RS
363: .IP bounds
364: highest and lowest message
365: .RE
366: .IP new/
367: binaries of new versions of programs
368: .IP preserve/
369: editor temporaries preserved here after crashes/hangups
370: .IP public/
371: binaries of user programs - write permission to everyone
372: .IP spool/
373: delayed execution files
374: .RS
375: .IP at/
376: used by
377: .IR at (1)
378: .IP lpd/
379: used by
380: .IR lpr (1)
381: .RS
382: .IP lock
383: present when line printer is active
384: .IP cf*
385: copy of file to be printed, if necessary
386: .IP df*
387: daemon control file,
388: .IR lpd (8)
389: .IP tf*
390: transient control file, while
391: .I lpr
392: is working
393: .RE
394: .IP uucp/
395: work files and staging area for
396: .IR uucp (1C)
397: .RS
398: .IP LOGFILE
399: summary log
400: .IP LOG.*
401: log file for one transaction
402: .RE
403: .IP mail/
404: mailboxes for
405: .IR mail (1)
406: .RS
407: .TP
408: .I name
409: mail file for user
410: .I name
411: .TP
412: .IR name .lock
413: lock file while
414: .I name
415: is receiving mail
416: .RE
417: .IP secretmail/
418: like
419: .IR mail /
420: .IP uucp/
421: work files and staging area for
422: .IR uucp (1C)
423: .RS
424: .IP LOGFILE
425: summary log
426: .IP LOG.*
427: log file for one transaction
428: .IP mqueue/
429: mail queue for
430: .IR sendmail (8)
431: .RE
432: .RE
433: .TP
434: .I wd
435: initial working directory of a user,
436: typically
437: .I wd
438: is the user's login name
439: .RS
440: .TP
441: .BR . profile
442: set environment for
443: .IR sh (1),
444: .IR environ (7)
445: .TP
446: .BR . project
447: what you are doing (used by (
448: .IR finger (1)
449: )
450: .TP
451: .BR . cshrc
452: startup file for
453: .IR csh (1)
454: .TP
455: .BR . exrc
456: startup file for
457: .IR ex (1)
458: .TP
459: .BR . plan
460: what your short-term plans are (used by
461: .IR finger (1)
462: )
463: .TP
464: .BR . netrc
465: startup file for various network programs
466: .TP
467: .BR . msgsrc
468: startup file for
469: .IR msgs (1)
470: .TP
471: .BR . mailrc
472: startup file for
473: .IR mail (1)
474: .IP calendar
475: user's datebook for
476: .IR calendar (1)
477: .RE
478: .IP doc/
479: papers, mostly in volume 2 of this manual, typically in
480: .IR ms (7)
481: format
482: .RS
483: .IP as/
484: assembler manual
485: .IP c
486: C manual
487: .IP ...
488: .RE
489: .RE
490: .RE
491: .IP /usr/\tsrc/
492: .RS
493: .IP
494: source programs for utilities, etc.
495: .RS
496: .IP bin/
497: source of commands in /bin
498: .RS
499: .IP as/
500: assembler
501: .IP ar.c
502: source for
503: .IR ar (1)
504: .IP ...
505: .RE
506: .IP usr.bin/
507: source for commands in /usr/bin
508: .RS
509: .IP troff/
510: source for
511: .I nroff
512: and
513: .IR troff (1)
514: .RS
515: .IP font/
516: source for font tables, /usr/lib/font/
517: .RS
518: .IP ftR.c
519: Roman
520: .IP ...
521: .RE
522: .IP term/
523: terminal characteristics tables, /usr/lib/term/
524: .RS
525: .IP tab300.c
526: DASI 300
527: .IP ...
528: .RE
529: .IP ...
530: .RE
531: .RE
532: .IP ucb
533: source for programs in /usr/ucb
534: .IP lib/
535: source for programs and archives in /lib
536: .RS
537: .IP libc/
538: C runtime library
539: .RS
540: .IP csu/
541: startup and wrapup routines needed with every C program
542: .RS
543: .IP crt0.s
544: regular startup
545: .IP mcrt0.s
546: modified startup for
547: .I cc \-p
548: .RE
549: .IP sys/
550: system calls (2)
551: .RS
552: .IP access.s
553: .IP brk.s
554: .IP ...
555: .RE
556: .RE
557: .IP stdio/
558: standard I/O functions (3S)
559: .RS
560: .IP fgets.c
561: .IP fopen.c
562: .IP ...
563: .RE
564: .IP gen/
565: other functions in (3)
566: .RS
567: .IP abs.c
568: .IP ...
569: .RE
570: .IP net/
571: network functions in (3N)
572: .RS
573: .IP gethostbyname.c
574: .IP ...
575: .RE
576: .RE
577: .IP local/
578: source which isn't normally distributed
579: .IP new/
580: source for new versions of commands and library routines
581: .IP old/
582: source for old versions of commands and library routines
583: .IP ucb/
584: binaries of programs developed at UCB
585: .RS
586: .IP ...
587: .IP edit
588: editor for beginners
589: .IP ex
590: command editor for experienced users
591: .IP ...
592: .IP mail
593: mail reading/sending subsystem
594: .IP man
595: on line documentation
596: .IP ...
597: .IP pi
598: Pascal translator
599: .IP px
600: Pascal interpreter
601: .IP ...
602: .IP vi
603: visual editor
604: .RE
605: .RE
606: .ad
607: .SH SEE ALSO
608: ls(1),
609: apropos(1),
610: whatis(1),
611: whereis(1),
612: finger(1),
613: which(1),
614: ncheck(8),
615: find(1),
616: grep(1)
617: .SH BUGS
618: The position of files is subject to change without notice.
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