groff man page on Ultrix
groff - front end for the groff document formatting system
groff [ -abeghilpstvzCEGNRSUVXZ ] [ -wname ] [ -Wname ] [ -mname ]
[ -Fdir ] [ -Idir ] [ -Tdev ] [ -ffam ] [ -Mdir ] [ -dcs ]
[ -rcn ] [ -nnum ] [ -olist ] [ -Parg ] [ -Larg ] [ files... ]
It is possible to have whitespace between a command line option and its
groff is a front-end to the groff document formatting system. Normally
it runs the gtroff program and a postprocessor appropriate for the
selected device. Available devices are:
ps For PostScript printers and previewers
dvi For TeX dvi format.
X75 For a 75dpi X11 previewer.
X100 For a 100dpi X11 previewer.
ascii For typewriter-like devices.
latin1 For typewriter-like devices using the ISO Latin-1 (ISO 8859-1)
utf8 For typewriter-like devices using the Unicode (ISO 10646) char‐
acter set with UTF-8 encoding.
cp1047 For typewriter-like devices which use the EBCDIC code page IBM
cp1047 (e.g. OS/390 Unix).
lj4 For an HP LaserJet4-compatible (or other PCL5-compatible)
lbp For Canon CAPSL printers (LBP-4 and LBP-8 series laser print‐
html To produce HTML output.
The postprocessor to be used for a device is specified by the postpro
command in the device description file. This can be overridden with
the -X option.
The default device is ps. It can optionally preprocess with any of
gpic, geqn, ggrn, grap, gtbl, grefer, or gsoelim.
Options without an argument can be grouped behind a single -. A file‐
name of - denotes the standard input.
The grog command can be used to guess the correct groff command to use
to format a file.
-h Print a help message.
-e Preprocess with geqn.
-t Preprocess with gtbl.
-g Preprocess with ggrn.
-G Preprocess with grap.
-p Preprocess with gpic.
-s Preprocess with gsoelim.
-Idir This option is as described in gsoelim(1). This option implies
the -s option.
-R Preprocess with grefer. No mechanism is provided for passing
arguments to grefer because most grefer options have equivalent
commands which can be included in the file. See grefer(1) for
-v Make programs run by groff print out their version number.
-V Print the pipeline on stdout instead of executing it.
-z Suppress output from gtroff. Only error messages will be
-Z Do not postprocess the output of gtroff. Normally groff will
automatically run the appropriate postprocessor.
-Parg Pass arg to the postprocessor. Each argument should be passed
with a separate -P option. Note that groff does not prepend -
to arg before passing it to the postprocessor.
-l Send the output to a spooler for printing. The command used for
this is specified by the print command in the device description
file (if not present, -l has no effect).
-Larg Pass arg to the spooler. Each argument should be passed with a
separate -L option. Note that groff does not prepend - to arg
before passing it to the postprocessor. If there is no print
command in the device description file, -L is ignored.
-Tdev Prepare output for device dev. The default device is ps.
-X Preview with gxditview instead of using the usual postprocessor.
Groff passes gxditview a -printCommand option which will make
the Print action do what groff would have done if the -l option
had been given. This is unlikely to produce good results except
-N Don't allow newlines with eqn delimiters. This is the same as
the -N option in geqn.
-S Safer mode. Pass the -S option to gpic and disable the follow‐
ing gtroff requests: .open, .opena, .pso, .sy, and .pi. For
security reasons, safer mode is enabled by default.
-U Unsafe mode. Reverts to the old unsafe behaviour.
-nnum These are as described in gtroff(1).
If this is set X, then groff will run Xtroff instead of gtroff.
This also applies to tbl, pic, eqn, grn, refer, and soelim. It
does not apply to grap, grops, grodvi, grotty, grolj4, grohtml,
A colon separated list of directories in which to search for
macro files in addition to the default directories. See
troff(1) for more details.
A colon separated list of directories in which to search for the
devname directory in addition to the default one. See troff(1)
for more details.
This search path, followed by PATH, will be used for commands
executed by groff. If not set, `/freeware/gnu-tools/vax/bin' is
prepended to PATH.
The directory in which temporary files will be created. If this
is not set and TMPDIR is set, temporary files will be created in
that directory. Otherwise temporary files will be created in
/tmp. The grops(1) and grefer(1) commands can create temporary
Device description file for device name.
Font file for font F of device name.
Note that on EBCDIC hosts, output devices ascii, latin1, and utf8
aren't available. Similarly, cp1047 is not available on ASCII based
To print the man page foo.1 to the standard output using the latin-1
output device and less as the pager, the following command can be used:
groff -mandoc -Tlatin1 foo.1 | less
Alternatively, you can say
groff -m mandoc -Tlatin1 foo.1 | less
James Clark <email@example.com>
Report bugs to firstname.lastname@example.org. Include a complete, self-contained
example that will allow the bug to be reproduced, and say which version
of groff you are using.
Copyright © 1989-2000 Free Software Foundation, Inc.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
groff is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The most recent released version of groff is always available for
anonymous ftp from ftp.gnu.org in the directory gnu/groff.
groff only supports the freely available grap implementation written by
Ted Faber <email@example.com>. The actual version can be found at
grog(1), gtroff(1), gtbl(1), gpic(1), geqn(1), ggrn(1), grap(1), gsoe‐
lim(1), grefer(1), grops(1), grodvi(1), grotty(1), grolj4(1),
grolbp(1), grohtml(1), gxditview(1), groff_font(5), groff_out(5),
groff_man(7), groff_ms(7), groff_me(7), groff_char(7)
Groff Version 1.17.2 27 June 2001 GROFF(1)
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