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1995-06-09
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1 LYNX
NAME
lynx - a general purpose distributed information browser for the World
Wide Web
2 SYNOPSIS
Lynx [options] [path or URL]
use "lynx -help" to display a complete list of current options.
2 DESCRIPTION
Lynx is a fully-featured World Wide Web (WWW) client for users running
cursor-addressable, character-cell display devices (e.g., vt100 terminals,
vt100 emulators running on PCs or Macs, or any other "curses-oriented"
display). It will display hypertext markup language (HTML) documents con-
taining links to files residing on the local system, as well as files
residing on remote systems running Gopher, HTTP, FTP, WAIS, and NNTP
servers. Current versions of Lynx run on UNIX and VMS.
Lynx can be used to access information on the World Wide Web, or to build
information systems intended primarily for local access. For example, Lynx
has been used to build several Campus Wide Information Systems (CWIS). In
addition, Lynx can be used to build systems isolated within a single LAN.
2 OPTIONS
At start up, Lynx will load any local file or remote URL specified at
the command line. For help with URLs, press "?" or "h" while running
Lynx. Then follow the link titled, "Help on URL's."
-anonymous
used to specify the anonymous account.
-case
enable case-sensitive string searching.
-cache=NUMBER
set the NUMBER of documents cached in memory. The default is 10.
-cfg=FILENAME
specifies a Lynx configuration file other than the default lynx.cfg.
-display=DISPLAY
set the display variable for X rexeced programs.
-dump
dumps the formatted output of the default document or one specified
on the command line to standard out. Under UNIX this can be used in
the following way: lynx -dump http://www.w3.org/default.html.
-editor=EDITOR
enable edit mode using the specified EDITOR. (vi, ed, emacs, etc.)
-emacskeys
enable emacs-like key movement.
-fileversions
include all versions of files in local VMS directory listings.
-force_html
forces the first document to be interpreted as HTML.
-ftp
disable ftp access.
-help
print this Lynx command syntax usage message.
-homepage=URL
set homepage separate from start page.
-index=URL
set the default index file to the specified URL.
-localhost
disable URLs that point to remote hosts.
-nobrowse
disable directory browsing.
-noprint
disable print functions.
-nostatus
disable the retrieval status messages.
-print
enable print functions. (default)
-restrictions=[option][,,option]...
allows a list of services to be disabled selectively. The following
list is printed if no options are specified.
all - restricts all options.
bookmark - disallow changing the location of the bookmark file.
default - same as command line option -anonymous. Disables default
services for anonymous users. Currently set to all restricted
except for: inside_telnet, outside_telnet, inside_news,
inside_ftp, outside_ftp, inside_rlogin, outside_rlogin, jump,
mail and goto. Defaults are setable within userdefs.h.
disk_save - disallow saving binary files to disk in the download
menu.
download - disallow downloaders in the download menu.
editor - disallow editing.
exec - disable execution scripts.
exec_frozen - disallow the user from changing the local execution
option.
file_url - disallow using G)oto to go to file: URL's.
goto - disable the 'g' (goto) command.
inside_ftp - disallow ftps for people coming from inside your domain
(utmp required for selectivity).
inside_news - disallow USENET news posting for people coming from
inside our domain (utmp required for selectivity).
inside_rlogin - disallow rlogins for people coming from inside your
domain (utmp required for selectivity).
inside_telnet - disallow telnets for people coming from inside your
domain (utmp required for selectivity).
jump - disable the 'j' (jump) command.
mail - disable mailing feature.
news_post - disable USENET News posting.
options_save - disallow saving options in .lynxrc.
outside_ftp - disallow ftps for people coming from outside your
domain (utmp required for selectivity).
outside_news - disallow USENET news posting for people coming from
outside your domain (utmp required for selectivity).
outside_rlogin - disallow rlogins for people coming from outside your
domain (utmp required for selectivity).
outside_telnet - disallow telnets for people coming from outside your
domain (utmp required for selectivity).
print - disallow most print options.
shell - disallow shell escapes and lynxexec G)oto's.
suspend - disallow Unix Control-Z suspends with escape to shell.
-rlogin
disable recognition of rlogin commands.
-selective
require .www_browsable files to browse directories.
-show_cursor
If enabled the cursor will not be hidden in the right hand corner but
will instead be positioned at the start of the currently selected
link. show cursor is the default for systems without FANCY_CURSES
capabilities, and the default configuration can be changed in
userdefs.h.
-source
works the same as dump but outputs HTML source instead of formatted
text.
-telnet
disable recognition of telnet commands.
-term=TERM
tell Lynx what terminal type to assume its talking to. (This may be
useful for remote execution, when, for example, Lynx connects to a
remote TCP/IP port that starts a script that, in turn, starts another
Lynx process.)
-trace
turns on WWW trace mode.
-version
print version information
-vikeys
enable vi-like key movement.
2 COMMANDS
o Use Up arrow and Down arrow to scroll through hypertext links.
o Right arrow or Return will follow a highlighted hypertext link.
o Left Arrow will retreat from a link.
o Type "h" or "?" for online help and descriptions of key-stroke commands.
o Type "k" for a complete list of the current key-stroke command mappings.
2 NOTES
This is the Lynx 2.4-FM Release for UN*X/VMS
If you wish to contribute to the further development of Lynx, subscribe
to our mailing list. Send email to <listserv@ukanaix.cc.ukans.edu> with
"subscribe lynx-dev <your-name>" as the only line in the body of your
message.
Send bug reports, comments, suggestions to <lynx-dev@ukanaix.cc.ukans.edu>.
Send general help requests to <lynx-help@ukanaix.cc.ukans.edu>.
2 ACKNOWLEDGMENTS
Lynx has incorporated code from a variety of sources along the way.
The earliest versions of Lynx included code from Earl Fogel of Computing
Services at the University of Saskatchewan, who implemented HYPERREZ
in the UN*X environment. HYPERREZ was developed by Niel Larson of
Think.com and served as the model for the early versions of Lynx.
Those versions also incorporated libraries from the UN*X Gopher clients
developed at the University of Minnesota, and the later versions of
Lynx rely on the WWW client library code developed by Tim Berners-Lee
and the WWW community. Also a special thanks to Foteos Macrides who
ported much of Lynx to VMS and to everyone on the net who has contributed
to Lynx's development either directly (through comments or bug reports)
or indirectly (through inspiration and development of other systems).
2 AUTHORS
Michael Grobe, Charles Rezac, Lou Montulli
Academic Computing Services
University of Kansas
Lawrence, Kansas 66047