Annotation of src/usr.bin/man/man.1, Revision 1.45
1.45 ! jmc 1: .\" $OpenBSD: man.1,v 1.44 2010/07/22 07:38:56 jmc Exp $
1.3 deraadt 2: .\"
1.1 deraadt 3: .\" Copyright (c) 1989, 1990, 1993
4: .\" The Regents of the University of California. All rights reserved.
5: .\"
6: .\" Redistribution and use in source and binary forms, with or without
7: .\" modification, are permitted provided that the following conditions
8: .\" are met:
9: .\" 1. Redistributions of source code must retain the above copyright
10: .\" notice, this list of conditions and the following disclaimer.
11: .\" 2. Redistributions in binary form must reproduce the above copyright
12: .\" notice, this list of conditions and the following disclaimer in the
13: .\" documentation and/or other materials provided with the distribution.
1.18 millert 14: .\" 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 15: .\" may be used to endorse or promote products derived from this software
16: .\" without specific prior written permission.
17: .\"
18: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28: .\" SUCH DAMAGE.
29: .\"
30: .\" @(#)man.1 8.2 (Berkeley) 1/2/94
31: .\"
1.45 ! jmc 32: .Dd $Mdocdate: July 22 2010 $
1.1 deraadt 33: .Dt MAN 1
1.4 millert 34: .Os
1.1 deraadt 35: .Sh NAME
36: .Nm man
37: .Nd display the on-line manual pages
38: .Sh SYNOPSIS
39: .Nm man
40: .Op Fl achw
41: .Op Fl C Ar file
42: .Op Fl M Ar path
43: .Op Fl m Ar path
1.21 jmc 44: .Op Fl S Ar subsection
1.4 millert 45: .Op Fl s Ar section
1.1 deraadt 46: .Op Ar section
1.37 sobrado 47: .Ar name ...
1.5 art 48: .Nm man
1.39 jmc 49: .Fl f Ar command ...
1.21 jmc 50: .Nm man
1.39 jmc 51: .Fl k Ar keyword ...
1.1 deraadt 52: .Sh DESCRIPTION
53: The
1.9 aaron 54: .Nm
1.1 deraadt 55: utility
56: displays the
57: .Bx
58: manual pages entitled
59: .Ar name .
1.33 jmc 60: Pages may be selected according to
61: a specific category
62: .Pq Ar section
63: or
64: machine architecture
65: .Pq Ar subsection .
1.1 deraadt 66: .Pp
67: The options are as follows:
1.13 aaron 68: .Bl -tag -width Ds
1.21 jmc 69: .It Fl a
70: Display all of the manual pages for a specified
71: .Ar section
72: and
73: .Ar name
74: combination.
1.29 jmc 75: Normally, only the first manual page found is displayed.
1.21 jmc 76: .It Fl C Ar file
77: Use the specified
78: .Ar file
79: instead of the default configuration file.
80: This permits users to configure their own manual environment.
81: See
82: .Xr man.conf 5
83: for a description of the contents of this file.
84: .It Fl c
85: Copy the manual page to the standard output instead of using
86: .Xr more 1
87: to paginate it.
88: This is done by default if the standard output is not a terminal device.
89: .It Fl f Ar command
1.30 jmc 90: A synonym for
91: .Xr whatis 1 .
92: It looks up a given command and
93: gives the header line from the manual page.
1.41 jmc 94: .Ar command
95: is case insensitive.
1.21 jmc 96: .It Fl h
97: Display only the
98: .Dq SYNOPSIS
99: lines of the requested manual pages.
100: .It Fl k Ar keyword
1.30 jmc 101: A synonym for
102: .Xr apropos 1 .
103: It shows which manual pages contain instances of any of the given
104: keywords in their title line.
1.7 deraadt 105: .Ar keyword
1.30 jmc 106: is case insensitive.
1.7 deraadt 107: .Pp
1.30 jmc 108: For instance,
109: to list all man pages which contain
1.27 jmc 110: .Dq mount
1.7 deraadt 111: in the
1.21 jmc 112: .Dq NAME
1.30 jmc 113: line of the man page:
114: .Pp
115: .Dl $ man -k mount
116: .Pp
117: Which would produce a list much like this:
1.19 jmc 118: .Bd -literal
1.27 jmc 119: amd (8) \(en automatically mount file systems
120: amq (8) \(en automounter query tool
121: domountroothooks (9) \(en run all mountroot hooks
122: exports (5) \(en define remote mount points for NFS mount requests
123: getfsstat (2) \(en get list of all mounted file systems
124: getmntinfo (3) \(en get information about mounted file systems
125: mount (8) \(en mount file systems
126: mount, unmount (2) \(en mount or dismount a filesystem
127: mount_cd9660 (8) \(en mount an ISO-9660 filesystem
128: mount_ext2fs (8) \(en mount an ext2fs file system
129: mount_ffs (8) \(en mount a Berkeley Fast File System
130: mount_msdos (8) \(en mount an MS-DOS file system
131: mount_nfs (8) \(en mount NFS file systems
1.43 jmc 132: mount_nnpfs (8) \(en mount the nnpfs filesystem
1.27 jmc 133: mount_ntfs (8) \(en mount an NTFS file system
134: mount_portal (8) \(en mount the portal daemon
135: mount_procfs (8) \(en mount the process file system
136: mount_udf (8) \(en mount a UDF filesystem
137: mountd (8) \(en service remote NFS mount requests
1.11 deraadt 138: \&...
139: .Ed
1.8 aaron 140: .It Fl M Ar path
1.1 deraadt 141: Override the list of standard directories which
1.9 aaron 142: .Nm
1.1 deraadt 143: searches for manual pages.
144: The supplied
145: .Ar path
1.9 aaron 146: must be a colon
147: .Pq Ql \&:
148: separated list of directories.
1.1 deraadt 149: This search path may also be set using the environment variable
150: .Ev MANPATH .
151: The subdirectories to be searched, and their search order,
1.21 jmc 152: are specified by the
1.9 aaron 153: .Dq _subdir
154: line in the
155: .Nm
1.1 deraadt 156: configuration file.
1.8 aaron 157: .It Fl m Ar path
1.1 deraadt 158: Augment the list of standard directories which
1.9 aaron 159: .Nm
1.1 deraadt 160: searches for manual pages.
161: The supplied
162: .Ar path
1.9 aaron 163: must be a colon
164: .Pq Ql \&:
165: separated list of directories.
1.1 deraadt 166: These directories will be searched before the standard directories or
167: the directories specified using the
168: .Fl M
169: option or the
170: .Ev MANPATH
171: environment variable.
172: The subdirectories to be searched, and their search order,
1.21 jmc 173: are specified by the
1.9 aaron 174: .Dq _subdir
175: line in the
176: .Nm
1.1 deraadt 177: configuration file.
1.8 aaron 178: .It Fl S Ar subsection
1.28 jmc 179: Restricts the directories that
180: .Nm
1.41 jmc 181: will search to those of a specific
182: .Xr machine 1
183: architecture.
184: .Ar subsection
185: is case insensitive.
186: .Pp
1.31 jmc 187: By default manual pages for all architectures are installed.
188: Therefore this option can be used to view pages for one
189: architecture whilst using another.
190: .Pp
1.41 jmc 191: This option overrides the
1.4 millert 192: .Ev MACHINE
1.41 jmc 193: environment variable.
1.33 jmc 194: .It Xo
195: .Op Fl s
1.1 deraadt 196: .Ar section
1.33 jmc 197: .Xc
198: Restricts the directories that
1.9 aaron 199: .Nm
1.28 jmc 200: will search to a specific section.
1.19 jmc 201: The currently available sections are:
202: .Pp
1.32 jmc 203: .Bl -tag -width "localXXX" -offset indent -compact
1.19 jmc 204: .It 1
205: General commands
206: .Pq tools and utilities .
207: .It 2
208: System calls and error numbers.
209: .It 3
210: Libraries.
1.38 jmc 211: .It 3f
212: Fortran programmer's reference guide.
1.19 jmc 213: .It 3p
214: .Xr perl 1
215: programmer's reference guide.
216: .It 4
217: Device drivers.
218: .It 5
219: File formats.
220: .It 6
221: Games.
222: .It 7
223: Miscellaneous.
224: .It 8
225: System maintenance and operation commands.
226: .It 9
227: Kernel internals.
1.32 jmc 228: .It X11
229: An alias for X11R6.
230: .It X11R6
231: X Window System.
232: .It local
233: Pages located in
234: .Pa /usr/local .
1.40 deanna 235: .It n
236: Tcl/Tk commands.
1.19 jmc 237: .El
238: .Pp
1.1 deraadt 239: The
1.9 aaron 240: .Nm
1.28 jmc 241: configuration file,
242: .Xr man.conf 5 ,
1.1 deraadt 243: specifies the possible
244: .Ar section
1.19 jmc 245: values, and their search order.
1.32 jmc 246: Additional sections may be specified.
1.33 jmc 247: .It Fl w
248: List the pathnames of the manual pages which
249: .Nm
250: would display for the specified
251: .Ar section
252: and
253: .Ar name
254: combination.
255: .El
1.22 jmc 256: .Pp
257: Guidelines for
258: .Ox
259: man pages can be found in
260: .Xr mdoc 7 .
261: A full tutorial for writing man pages is provided in
262: .Xr mdoc.samples 7 .
1.1 deraadt 263: .Sh ENVIRONMENT
264: .Bl -tag -width MANPATHX
265: .It Ev MACHINE
266: As some manual pages are intended only for specific architectures,
1.9 aaron 267: .Nm
1.1 deraadt 268: searches any subdirectories,
269: with the same name as the current architecture,
270: in every directory which it searches.
271: Machine specific areas are checked before general areas.
272: The current machine type may be overridden by setting the environment
273: variable
274: .Ev MACHINE
1.28 jmc 275: to the name of a specific architecture,
276: or with the
277: .Fl S
278: option.
1.41 jmc 279: .Ev MACHINE
280: is case insensitive.
1.20 millert 281: .It Ev MANPAGER
282: Any non-null value of the environment variable
283: .Ev MANPAGER
284: will be used instead of the standard pagination program,
285: .Xr more 1 .
1.1 deraadt 286: .It Ev MANPATH
287: The standard search path used by
1.9 aaron 288: .Nm
1.1 deraadt 289: may be overridden by specifying a path in the
290: .Ev MANPATH
291: environment
292: variable.
1.9 aaron 293: The format of the path is a colon
294: .Pq Ql \&:
295: separated list of directories.
1.21 jmc 296: The subdirectories to be searched, as well as their search order,
297: are specified by the
1.9 aaron 298: .Dq _subdir
299: line in the
300: .Nm
1.1 deraadt 301: configuration file.
302: .It Ev PAGER
1.20 millert 303: Specifies the pagination program to use when
304: .Ev MANPAGER
305: is not defined.
1.1 deraadt 306: .El
307: .Sh FILES
308: .Bl -tag -width /etc/man.conf -compact
309: .It Pa /etc/man.conf
1.8 aaron 310: default man configuration file
1.1 deraadt 311: .El
1.45 ! jmc 312: .Sh EXIT STATUS
! 313: .Ex -std man
1.1 deraadt 314: .Sh SEE ALSO
315: .Xr apropos 1 ,
1.19 jmc 316: .Xr intro 1 ,
1.1 deraadt 317: .Xr whatis 1 ,
318: .Xr whereis 1 ,
1.19 jmc 319: .Xr intro 2 ,
320: .Xr intro 3 ,
321: .Xr intro 4 ,
322: .Xr intro 5 ,
323: .Xr man.conf 5 ,
324: .Xr intro 6 ,
325: .Xr intro 7 ,
1.22 jmc 326: .Xr mdoc 7 ,
327: .Xr mdoc.samples 7 ,
1.19 jmc 328: .Xr intro 8 ,
329: .Xr intro 9
1.34 jmc 330: .Sh STANDARDS
331: The
332: .Nm
333: utility is compliant with the
1.42 jmc 334: .St -p1003.1-2008
1.34 jmc 335: specification.
336: .Pp
337: The flags
338: .Op Fl aCcfhMmSsw
339: are extensions to that specification.
1.1 deraadt 340: .Sh HISTORY
341: A
342: .Nm
343: command appeared in
1.17 mickey 344: .At v3 .
1.14 aaron 345: .Sh BUGS
346: The on-line manual pages are, by necessity, forgiving toward stupid
347: display devices, causing a few manual pages to be not as nicely formatted
348: as their typeset counterparts.