1LYNX(1) General Commands Manual LYNX(1)
2
6 lynx - a general purpose distributed information browser for the World
7 Wide Web
8
10 lynx [options] [path or URL]
11 lynx [options] [path or URL] -get_data
13 data
14 --
15 lynx [options] [path or URL] -post_data
17 data
18 --
19 Use "lynx -help" to display a complete list of current options.
21
23 Lynx is a fully-featured World Wide Web (WWW) client for users running
24 cursor-addressable, character-cell display devices (e.g., vt100
25 terminals, vt100 emulators running on Windows 95/NT or Macintoshes, or
26 any other "curses-oriented" display). It will display hypertext markup
27 language (HTML) documents containing links to files residing on the
28 local system, as well as files residing on remote systems running
29 Gopher, HTTP, FTP, WAIS, and NNTP servers. Current versions of Lynx
30 run on Unix, VMS, Windows 95/NT, 386DOS and OS/2 EMX.
31 Lynx can be used to access information on the World Wide Web, or to
33 build information systems intended primarily for local access. For
34 example, Lynx has been used to build several Campus Wide Information
35 Systems (CWIS). In addition, Lynx can be used to build systems
36 isolated within a single LAN.
37
39 At start up, Lynx will load any local file or remote URL specified at
40 the command line. For help with URLs, press "?" or "H" while running
41 Lynx. Then follow the link titled, "Help on URLs."
42 If more than one local file or remote URL is listed on the command
44 line, Lynx will open only the last interactively. All of the names
45 (local files and remote URLs) are added to the G)oto history.
46 Lynx uses only long option names. Option names can begin with double
48 dash as well, underscores and dashes can be intermixed in option names
49 (in the reference below options are with one dash before them and with
50 underscores).
51 Lynx provides many command-line options. Some options require a value
53 (string, number or keyword). These are noted in the reference below.
54 The other options set boolean values in the program. There are three
55 types of boolean options: set, unset and toggle. If no option value is
56 given, these have the obvious meaning: set (to true), unset (to false),
57 or toggle (between true/false). For any of these, an explicit value
58 can be given in different forms to allow for operating system
59 constraints, e.g.,
60 -center:off
61 -center=off
62 -center-
63 Lynx recognizes "1", "+", "on" and "true" for true values, and "0",
64 "-", "off" and "false" for false values. Other option-values are
65 ignored.
66 The default boolean, number and string option values that are compiled
68 into Lynx are displayed in the help-message provided by lynx -help.
69 Some of those may differ according to how Lynx was built; see the help
70 message itself for these values. The -help option is processed in the
71 third pass of options-processing, so any option which sets a value, as
72 well as runtime configuration values are reflected in the help-message.
73 - If the argument is only '-', then Lynx expects to receive the
75 arguments from the standard input. This is to allow for the
76 potentially very long command line that can be associated with
77 the -get_data or -post_data arguments (see below). It can also
78 be used to avoid having sensitive information in the invoking
79 command line (which would be visible to other processes on most
80 systems), especially when the -auth or -pauth options are used.
81 -accept_all_cookies
83 accept all cookies.
84 -anonymous
86 apply restrictions for anonymous account, see also
87 -restrictions.
88 -assume_charset=MIMEname
90 charset for documents that don't specify it.
91 -assume_local_charset=MIMEname
93 charset assumed for local files, i.e., files which Lynx creates
94 such as internal pages for the options menu.
95 -assume_unrec_charset=MIMEname
97 use this instead of unrecognized charsets.
98 -auth=ID:PASSWD
100 set authorization ID and password for protected documents at
101 startup. Be sure to protect any script files which use this
102 switch.
103 -base prepend a request URL comment and BASE tag to text/html outputs
105 for -source dumps.
106 -bibhost=URL
108 specify a local bibp server (default http://bibhost/).
109 -blink forces high intensity background colors for color mode, if
111 available and supported by the terminal. This applies to the
112 slang library (for a few terminal emulators), or to OS/2 EMX
113 with ncurses.
114 -book use the bookmark page as the startfile. The default or command
116 line startfile is still set for the Main screen command, and
117 will be used if the bookmark page is unavailable or blank.
118 -buried_news
120 toggles scanning of news articles for buried references, and
121 converts them to news links. Not recommended because email
122 addresses enclosed in angle brackets will be converted to false
123 news links, and uuencoded messages can be trashed.
124 -cache=NUMBER
126 set the NUMBER of documents cached in memory. The default is
127 10.
128 -case enable case-sensitive string searching.
130 -center
132 Toggle center alignment in HTML TABLE.
133 -cfg=FILENAME
135 specifies a Lynx configuration file other than the default
136 lynx.cfg.
137 -child exit on left-arrow in startfile, and disable save to disk and
139 associated print/mail options.
140 -child_relaxed
142 exit on left-arrow in startfile, but allow save to disk and
143 associated print/mail options.
144 -cmd_log=FILENAME
146 write keystroke commands and related information to the
147 specified file.
148 -cmd_script=FILENAME
150 read keystroke commands from the specified file. You can use
151 the data written using the -cmd_log option. Lynx will ignore
152 other information which the command-logging may have written to
153 the logfile. Each line of the command script contains either a
154 comment beginning with "#", or a keyword:
155 exit
157 causes the script to stop, and forces Lynx to exit
158 immediately.
159 key
161 the character value, in printable form. Cursor and other
162 special keys are given as names, e.g., "Down Arrow".
163 Printable 7-bit ASCII codes are given as-is, and hexadecimal
164 values represent other 8-bit codes.
165 set
167 followed by a "name=value" allows one to override values set
168 in the lynx.cfg or .lynxrc files. Lynx tries the cfg-file
169 setting first.
170 -color forces color mode on, if available. Default color control
172 sequences which work for many terminal types are assumed if the
173 terminal capability description does not specify how to handle
174 color. Lynx needs to be compiled with the slang library for
175 this flag, it is equivalent to setting the COLORTERM environment
176 variable. (If color support is instead provided by a color-
177 capable curses library like ncurses, Lynx relies completely on
178 the terminal description to determine whether color mode is
179 possible, and this flag is not needed and thus unavailable.) A
180 saved show_color=always setting found in a .lynxrc file at
181 startup has the same effect. A saved show_color=never found in
182 .lynxrc on startup is overridden by this flag.
183 -connect_timeout=N
185 Sets the connection timeout, where N is given in seconds.
186 -cookie_file=FILENAME
188 specifies a file to use to read cookies. If none is specified,
189 the default value is ~/.lynx_cookies for most systems, but
190 ~/cookies for MS-DOS.
191 -cookie_save_file=FILENAME
193 specifies a file to use to store cookies. If none is specified,
194 the value given by -cookie_file is used.
195 -cookies
197 toggles handling of Set-Cookie headers.
198 -core toggles forced core dumps on fatal errors. Turn this option off
200 to ask Lynx to force a core dump if a fatal error occurs.
201 -crawl with -traversal, output each page to a file. with -dump, format
203 output as with -traversal, but to the standard output.
204 -curses_pads
206 toggles the use of curses "pad" feature which supports
207 left/right scrolling of the display. The feature is normally
208 available for curses configurations, but inactive. To activate
209 it, use the "|" character or the LINEWRAP_TOGGLE command.
210 Toggling this option makes the feature altogether unavailable.
211 -debug_partial
213 separate incremental display stages with MessageSecs delay
214 -delay add DebugSecs delay after each progress-message
216 -display=DISPLAY
218 set the display variable for X rexec-ed programs.
219 -display_charset=MIMEname
221 set the charset for the terminal output.
222 -dont_wrap_pre
224 inhibit wrapping of text when -dump'ing and -crawl'ing, mark
225 wrapped lines of <pre> in interactive session.
226 -dump dumps the formatted output of the default document or those
228 specified on the command line to standard output. Unlike
229 interactive mode, all documents are processed. This can be used
230 in the following way:
231 lynx -dump http://www.subir.com/lynx.html
233 -editor=EDITOR
235 enable external editing, using the specified EDITOR. (vi, ed,
236 emacs, etc.)
237 -emacskeys
239 enable emacs-like key movement.
240 -enable_scrollback
242 toggles compatibility with communication programs' scrollback
243 keys (may be incompatible with some curses packages).
244 -error_file=FILE
246 define a file where Lynx will report HTTP access codes.
247 -exec enable local program execution (normally not configured).
249 -fileversions
251 include all versions of files in local VMS directory listings.
252 -find_leaks
254 toggle memory leak-checking. Normally this is not compiled-into
255 your executable, but when it is, it can be disabled for a
256 session.
257 -force_empty_hrefless_a
259 force HREF-less 'A' elements to be empty (close them as soon as
260 they are seen).
261 -force_html
263 forces the first document to be interpreted as HTML.
264 -force_secure
266 toggles forcing of the secure flag for SSL cookies.
267 -forms_options
269 toggles whether the Options Menu is key-based or form-based.
270 -from toggles transmissions of From headers.
272 -ftp disable ftp access.
274 -get_data
276 properly formatted data for a get form are read in from the
277 standard input and passed to the form. Input is terminated by a
278 line that starts with '---'.
279 -head send a HEAD request for the mime headers.
281 -help print the Lynx command syntax usage message, and exit.
283 -hiddenlinks=[option]
285 control the display of hidden links.
286 merge
288 hidden links show up as bracketed numbers and are numbered
289 together with other links in the sequence of their occurrence
290 in the document.
291 listonly
293 hidden links are shown only on L)ist screens and listings
294 generated by -dump or from the P)rint menu, but appear
295 separately at the end of those lists. This is the default
296 behavior.
297 ignore
299 hidden links do not appear even in listings.
300 -historical
302 toggles use of '>' or '-->' as a terminator for comments.
303 -homepage=URL
305 set homepage separate from start page.
306 -image_links
308 toggles inclusion of links for all images.
309 -index=URL
311 set the default index file to the specified URL.
312 -ismap toggles inclusion of ISMAP links when client-side MAPs are
314 present.
315 -justify
317 do justification of text.
318 -link=NUMBER
320 starting count for lnk#.dat files produced by -crawl.
321 -listonly
323 for -dump, show only the list of links.
324 -localhost
326 disable URLs that point to remote hosts.
327 -locexec
329 enable local program execution from local files only (if Lynx
330 was compiled with local execution enabled).
331 -lss=FILENAME
333 specify filename containing color-style information. The
334 default is lynx.lss. If you give an empty filename, lynx uses a
335 built-in monochrome scheme which imitates the non-color-style
336 configuration.
337 -mime_header
339 prints the MIME header of a fetched document along with its
340 source.
341 -minimal
343 toggles minimal versus valid comment parsing.
344 -nested_tables
346 toggles nested-tables logic (for debugging).
347 -newschunksize=NUMBER
349 number of articles in chunked news listings.
350 -newsmaxchunk=NUMBER
352 maximum news articles in listings before chunking.
353 -nobold
355 disable bold video-attribute.
356 -nobrowse
358 disable directory browsing.
359 -nocc disable Cc: prompts for self copies of mailings. Note that this
361 does not disable any CCs which are incorporated within a mailto
362 URL or form ACTION.
363 -nocolor
365 force color mode off, overriding terminal capabilities and any
366 -color flags, COLORTERM variable, and saved .lynxrc settings.
367 -noexec
369 disable local program execution. (DEFAULT)
370 -nofilereferer
372 disable transmissions of Referer headers for file URLs.
373 -nolist
375 disable the link list feature in dumps.
376 -nolog disable mailing of error messages to document owners.
378 -nomargins
380 disable left/right margins in the default style sheet.
381 -nomore
383 disable -more- string in statusline messages.
384 -nonrestarting_sigwinch
386 This flag is not available on all systems, Lynx needs to be
387 compiled with HAVE_SIGACTION defined. If available, this flag
388 may cause Lynx to react more immediately to window changes when
389 run within an xterm.
390 -nonumbers
392 disable link- and field-numbering. This overrides
393 -number_fields and -number_links.
394 -nopause
396 disable forced pauses for statusline messages.
397 -noprint
399 disable most print functions.
400 -noredir
402 prevents automatic redirection and prints a message with a link
403 to the new URL.
404 -noreferer
406 disable transmissions of Referer headers.
407 -noreverse
409 disable reverse video-attribute.
410 -nosocks
412 disable SOCKS proxy usage by a SOCKSified Lynx.
413 -nostatus
415 disable the retrieval status messages.
416 -notitle
418 disable title and blank line from top of page.
419 -nounderline
421 disable underline video-attribute.
422 -number_fields
424 force numbering of links as well as form input fields
425 -number_links
427 force numbering of links.
428 -partial
430 toggles display partial pages while loading.
431 -partial_thres=NUMBER
433 number of lines to render before repainting display with
434 partial-display logic
435 -passive-ftp
437 toggles passive ftp connections.
438 -pauth=ID:PASSWD
440 set authorization ID and password for a protected proxy server
441 at startup. Be sure to protect any script files which use this
442 switch.
443 -popup toggles handling of single-choice SELECT options via popup
445 windows or as lists of radio buttons.
446 -post_data
448 properly formatted data for a post form are read in from the
449 standard input and passed to the form. Input is terminated by a
450 line that starts with '---'.
451 -preparsed
453 show HTML source preparsed and reformatted when used with
454 -source or in source view.
455 -prettysrc
457 show HTML source view with lexical elements and tags in color.
458 -print enable print functions. (default)
460 -pseudo_inlines
462 toggles pseudo-ALTs for inline images with no ALT string.
463 -raw toggles default setting of 8-bit character translations or CJK
465 mode for the startup character set.
466 -realm restricts access to URLs in the starting realm.
468 -read_timeout=N
470 Sets the read-timeout, where N is given in seconds.
471 -reload
473 flushes the cache on a proxy server (only the first document
474 affected).
475 -restrictions=[option][,option][,option]...
477 allows a list of services to be disabled selectively. Dashes and
478 underscores in option names can be intermixed. The following
479 list is printed if no options are specified.
480 all
482 restricts all options listed below.
483 bookmark
485 disallow changing the location of the bookmark file.
486 bookmark_exec
488 disallow execution links via the bookmark file.
489 change_exec_perms
491 disallow changing the eXecute permission on files (but still
492 allow it for directories) when local file management is
493 enabled.
494 default
496 same as command line option -anonymous. Disables default
497 services for anonymous users. Set to all restricted, except
498 for: inside_telnet, outside_telnet, inside_ftp, outside_ftp,
499 inside_rlogin, outside_rlogin, inside_news, outside_news,
500 telnet_port, jump, mail, print, exec, and goto. The settings
501 for these, as well as additional goto restrictions for
502 specific URL schemes that are also applied, are derived from
503 definitions within userdefs.h.
504 dired_support
506 disallow local file management.
507 disk_save
509 disallow saving to disk in the download and print menus.
510 dotfiles
512 disallow access to, or creation of, hidden (dot) files.
513 download
515 disallow some downloaders in the download menu (does not
516 imply disk_save restriction).
517 editor
519 disallow external editing.
520 exec
522 disable execution scripts.
523 exec_frozen
525 disallow the user from changing the local execution option.
526 externals
528 disallow some "EXTERNAL" configuration lines if support for
529 passing URLs to external applications (with the EXTERN
530 command) is compiled in.
531 file_url
533 disallow using G)oto, served links or bookmarks for file:
534 URLs.
535 goto
537 disable the 'g' (goto) command.
538 inside_ftp
540 disallow ftps for people coming from inside your domain (utmp
541 required for selectivity).
542 inside_news
544 disallow USENET news posting for people coming from inside
545 your domain (utmp required for selectivity).
546 inside_rlogin
548 disallow rlogins for people coming from inside your domain
549 (utmp required for selectivity).
550 inside_telnet
552 disallow telnets for people coming from inside your domain
553 (utmp required for selectivity).
554 jump
556 disable the 'j' (jump) command.
557 multibook
559 disallow multiple bookmarks.
560 mail
562 disallow mail.
563 news_post
565 disallow USENET News posting.
566 options_save
568 disallow saving options in .lynxrc.
569 outside_ftp
571 disallow ftps for people coming from outside your domain
572 (utmp required for selectivity).
573 outside_news
575 disallow USENET news reading and posting for people coming
576 from outside your domain (utmp required for selectivity).
577 This restriction applies to "news", "nntp", "newspost", and
578 "newsreply" URLs, but not to "snews", "snewspost", or
579 "snewsreply" in case they are supported.
580 outside_rlogin
582 disallow rlogins for people coming from outside your domain
583 (utmp required for selectivity).
584 outside_telnet
586 disallow telnets for people coming from outside your domain
587 (utmp required for selectivity).
588 print
590 disallow most print options.
591 shell
593 disallow shell escapes and lynxexec or lynxprog G)oto's.
594 suspend
596 disallow Unix Control-Z suspends with escape to shell.
597 telnet_port
599 disallow specifying a port in telnet G)oto's.
600 useragent
602 disallow modifications of the User-Agent header.
603 -resubmit_posts
605 toggles forced resubmissions (no-cache) of forms with method
606 POST when the documents they returned are sought with the
607 PREV_DOC command or from the History List.
608 -rlogin
610 disable recognition of rlogin commands.
611 -scrollbar
613 toggles showing scrollbar.
614 -scrollbar_arrow
616 toggles showing arrows at ends of the scrollbar.
617 -selective
619 require .www_browsable files to browse directories.
620 -session=FILENAME
622 resumes from specified file on startup and saves session to that
623 file on exit.
624 -sessionin=FILENAME
626 resumes session from specified file.
627 -sessionout=FILENAME
629 saves session to specified file.
630 -short_url
632 show very long URLs in the status line with "..." to represent
633 the portion which cannot be displayed. The beginning and end of
634 the URL are displayed, rather than suppressing the end.
635 -show_cfg
637 Print the configuration settings, e.g., as read from "lynx.cfg",
638 and exit.
639 -show_cursor
641 If enabled the cursor will not be hidden in the right hand
642 corner but will instead be positioned at the start of the
643 currently selected link. Show cursor is the default for systems
644 without FANCY_CURSES capabilities. The default configuration
645 can be changed in userdefs.h or lynx.cfg. The command line
646 switch toggles the default.
647 -show_rate
649 If enabled the transfer rate is shown in bytes/second. If
650 disabled, no transfer rate is shown. Use lynx.cfg or the
651 options menu to select KB/second and/or ETA.
652 -soft_dquotes
654 toggles emulation of the old Netscape and Mosaic bug which
655 treated '>' as a co-terminator for double-quotes and tags.
656 -source
658 works the same as dump but outputs HTML source instead of
659 formatted text. For example
660 lynx -source . >foo.html
662 generates HTML source listing the files in the current
664 directory. Each file is marked by an HREF relative to the
665 parent directory. Add a trailing slash to make the HREF's
666 relative to the current directory:
667 lynx -source ./ >foo.html
669 -stack_dump
671 disable SIGINT cleanup handler
672 -startfile_ok
674 allow non-http startfile and homepage with -validate.
675 -stderr
677 When dumping a document using -dump or -source, Lynx normally
678 does not display alert (error) messages that you see on the
679 screen in the status line. Use the -stderr option to tell Lynx
680 to write these messages to the standard error.
681 -stdin read the startfile from standard input (UNIX only).
683 -syslog=text
685 information for syslog call.
686 -syslog-urls
688 log requested URLs with syslog.
689 -tagsoup
691 initialize parser, using Tag Soup DTD rather than SortaSGML.
692 -telnet
694 disable recognition of telnet commands.
695 -term=TERM
697 tell Lynx what terminal type to assume it is talking to. (This
698 may be useful for remote execution, when, for example, Lynx
699 connects to a remote TCP/IP port that starts a script that, in
700 turn, starts another Lynx process.)
701 -timeout=N
703 For win32, sets the network read-timeout, where N is given in
704 seconds.
705 -tlog toggles between using a Lynx Trace Log and stderr for trace
707 output from the session.
708 -tna turns on "Textfields Need Activation" mode.
710 -trace turns on Lynx trace mode. Destination of trace output depends
712 on -tlog.
713 -trace_mask=value
715 turn on optional traces, which may result in very large trace
716 files. Logically OR the values to combine options:
717 1 SGML character parsing states
719 2 color-style
721 4 TRST (table layout)
723 8 configuration (lynx.cfg, .lynxrc, .lynx-keymaps, mime.types
725 and mailcap contents)
726 16 binary string copy/append, used in form data construction.
728 32 cookies
730 64 character sets
732 128
734 GridText parsing
735 256
737 timing
738 -traversal
740 traverse all http links derived from startfile. When used with
741 -crawl, each link that begins with the same string as startfile
742 is output to a file, intended for indexing. See CRAWL.announce
743 for more information.
744 -trim_input_fields
746 trim input text/textarea fields in forms.
747 -underline_links
749 toggles use of underline/bold attribute for links.
750 -underscore
752 toggles use of _underline_ format in dumps.
753 -unique_urls
755 check for duplicate link numbers in each page and corresponding
756 lists, and reuse the original link number.
757 -use_mouse
759 turn on mouse support, if available. Clicking the left mouse
760 button on a link traverses it. Clicking the right mouse button
761 pops back. Click on the top line to scroll up. Click on the
762 bottom line to scroll down. The first few positions in the top
763 and bottom line may invoke additional functions. Lynx must be
764 compiled with ncurses or slang to support this feature. If
765 ncurses is used, clicking the middle mouse button pops up a
766 simple menu. Mouse clicks may only work reliably while Lynx is
767 idle waiting for input.
768 -useragent=Name
770 set alternate Lynx User-Agent header.
771 -validate
773 accept only http URLs (for validation). Complete security
774 restrictions also are implemented.
775 -verbose
777 toggle [LINK], [IMAGE] and [INLINE] comments with filenames of
778 these images.
779 -version
781 print version information, and exit.
782 -vikeys
784 enable vi-like key movement.
785 -wdebug
787 enable Waterloo tcp/ip packet debug (print to watt debugfile).
788 This applies only to DOS versions compiled with WATTCP or
789 WATT-32.
790 -width=NUMBER
792 number of columns for formatting of dumps, default is 80. This
793 is limited by the number of columns that Lynx could display,
794 typically 1024 (the MAX_LINE symbol).
795 -with_backspaces
797 emit backspaces in output if -dump'ing or -crawl'ing (like 'man'
798 does)
799 -xhtml_parsing
801 tells Lynx that it can ignore certain tags which have no content
802 in an XHTML 1.0 document. For example "<p/>" will be discarded.
803
805 o Use Up arrow and Down arrow to scroll through hypertext links.
806 o Right arrow or Return will follow a highlighted hypertext link.
808 o Left Arrow will retreat from a link.
810 o Type "H" or "?" for online help and descriptions of key-stroke
812 commands.
813 o Type "K" for a complete list of the current key-stroke command
815 mappings.
816
818 In addition to various "standard" environment variables such as HOME,
819 PATH, USER, DISPLAY, TMPDIR, etc, Lynx utilizes several Lynx-specific
820 environment variables, if they exist.
821 Others may be created or modified by Lynx to pass data to an external
823 program, or for other reasons. These are listed separately below.
824 See also the sections on SIMULATED CGI SUPPORT and NATIVE LANGUAGE
826 SUPPORT, below.
827 Note: Not all environment variables apply to all types of platforms
829 supported by Lynx, though most do. Feedback on platform dependencies
830 is solicited.
831 Environment Variables Used By Lynx:
833 COLORTERM If set, color capability for the terminal is forced
835 on at startup time. The actual value assigned to
836 the variable is ignored. This variable is only
837 meaningful if Lynx was built using the slang
838 screen-handling library.
839 LYNX_CFG This variable, if set, will override the default
841 location and name of the global configuration file
842 (normally, lynx.cfg) that was defined by the
843 LYNX_CFG_FILE constant in the userdefs.h file,
844 during installation. See the userdefs.h file for
845 more information.
846 LYNX_HELPFILE If set, this variable overrides the compiled-in URL
848 and configuration file URL for the Lynx help file.
849 LYNX_LOCALEDIR If set, this variable overrides the compiled-in
851 location of the locale directory which contains
852 native language (NLS) message text.
853 LYNX_LSS This variable, if set, specifies the location of
855 the default Lynx character style sheet file.
856 [Currently only meaningful if Lynx was built using
857 experimental color style support.]
858 LYNX_SAVE_SPACE This variable, if set, will override the default
860 path prefix for files saved to disk that is defined
861 in the lynx.cfg SAVE_SPACE: statement. See the
862 lynx.cfg file for more information.
863 LYNX_TEMP_SPACE This variable, if set, will override the default
865 path prefix for temporary files that was defined
866 during installation, as well as any value that may
867 be assigned to the TMPDIR variable.
868 MAIL This variable specifies the default inbox Lynx will
870 check for new mail, if such checking is enabled in
871 the lynx.cfg file.
872 NEWS_ORGANIZATION This variable, if set, provides the string used in
874 the Organization: header of USENET news postings.
875 It will override the setting of the ORGANIZATION
876 environment variable, if it is also set (and, on
877 UNIX, the contents of an /etc/organization file, if
878 present).
879 NNTPSERVER If set, this variable specifies the default NNTP
881 server that will be used for USENET news reading
882 and posting with Lynx, via news: URL's.
883 ORGANIZATION This variable, if set, provides the string used in
885 the Organization: header of USENET news postings.
886 On UNIX, it will override the contents of an
887 /etc/organization file, if present.
888 PROTOCOL_proxy Lynx supports the use of proxy servers that can act
890 as firewall gateways and caching servers. They are
891 preferable to the older gateway servers (see
892 WWW_access_GATEWAY, below). Each protocol used by
893 Lynx, (http, ftp, gopher, etc), can be mapped
894 separately by setting environment variables of the
895 form PROTOCOL_proxy (literally: http_proxy,
896 ftp_proxy, gopher_proxy, etc), to
897 "http://some.server.dom:port/". See Lynx Users
898 Guide for additional details and examples.
899 SSL_CERT_DIR Set to the directory containing trusted
901 certificates.
902 SSL_CERT_FILE Set to the full path and filename for your file of
904 trusted certificates.
905 WWW_access_GATEWAY Lynx still supports use of gateway servers, with
907 the servers specified via "WWW_access_GATEWAY"
908 variables (where "access" is lower case and can be
909 "http", "ftp", "gopher" or "wais"), however most
910 gateway servers have been discontinued. Note that
911 you do not include a terminal '/' for gateways, but
912 do for proxies specified by PROTOCOL_proxy
913 environment variables. See Lynx Users Guide for
914 details.
915 WWW_HOME This variable, if set, will override the default
917 startup URL specified in any of the Lynx
918 configuration files.
919 Environment Variables Set or Modified By Lynx:
921 LYNX_PRINT_DATE This variable is set by the Lynx p(rint) function,
923 to the Date: string seen in the document's
924 "Information about" page (= cmd), if any. It is
925 created for use by an external program, as defined
926 in a lynx.cfg PRINTER: definition statement. If
927 the field does not exist for the document, the
928 variable is set to a null string under UNIX, or "No
929 Date" under VMS.
930 LYNX_PRINT_LASTMOD This variable is set by the Lynx p(rint) function,
932 to the Last Mod: string seen in the document's
933 "Information about" page (= cmd), if any. It is
934 created for use by an external program, as defined
935 in a lynx.cfg PRINTER: definition statement. If
936 the field does not exist for the document, the
937 variable is set to a null string under UNIX, or "No
938 LastMod" under VMS.
939 LYNX_PRINT_TITLE This variable is set by the Lynx p(rint) function,
941 to the Linkname: string seen in the document's
942 "Information about" page (= cmd), if any. It is
943 created for use by an external program, as defined
944 in a lynx.cfg PRINTER: definition statement. If
945 the field does not exist for the document, the
946 variable is set to a null string under UNIX, or "No
947 Title" under VMS.
948 LYNX_PRINT_URL This variable is set by the Lynx p(rint) function,
950 to the URL: string seen in the document's
951 "Information about" page (= cmd), if any. It is
952 created for use by an external program, as defined
953 in a lynx.cfg PRINTER: definition statement. If
954 the field does not exist for the document, the
955 variable is set to a null string under UNIX, or "No
956 URL" under VMS.
957 LYNX_TRACE If set, causes Lynx to write a trace file as if the
959 -trace option were supplied.
960 LYNX_TRACE_FILE If set, overrides the compiled-in name of the trace
962 file, which is either Lynx.trace or LY-TRACE.LOG
963 (the latter on the DOS platform). The trace file
964 is in either case relative to the home directory.
965 LYNX_VERSION This variable is always set by Lynx, and may be
967 used by an external program to determine if it was
968 invoked by Lynx. See also the comments in the
969 distribution's sample mailcap file, for notes on
970 usage in such a file.
971 TERM Normally, this variable is used by Lynx to
973 determine the terminal type being used to invoke
974 Lynx. If, however, it is unset at startup time (or
975 has the value "unknown"), or if the -term command-
976 line option is used (see OPTIONS section above),
977 Lynx will set or modify its value to the user
978 specified terminal type (for the Lynx execution
979 environment). Note: If set/modified by Lynx, the
980 values of the LINES and/or COLUMNS environment
981 variables may also be changed.
982
984 If built with the cgi-links option enabled, Lynx allows access to a cgi
985 script directly without the need for an http daemon.
986 When executing such "lynxcgi scripts" (if enabled), the following
988 variables may be set for simulating a CGI environment:
989 CONTENT_LENGTH
991 CONTENT_TYPE
993 DOCUMENT_ROOT
995 HTTP_ACCEPT_CHARSET
997 HTTP_ACCEPT_LANGUAGE
999 HTTP_USER_AGENT
1001 PATH_INFO
1003 PATH_TRANSLATED
1005 QUERY_STRING
1007 REMOTE_ADDR
1009 REMOTE_HOST
1011 REQUEST_METHOD
1013 SERVER_SOFTWARE
1015 Other environment variables are not inherited by the script, unless
1017 they are provided via a LYNXCGI_ENVIRONMENT statement in the
1018 configuration file. See the lynx.cfg file, and the (draft) CGI 1.1
1019 Specification <http://Web.Golux.Com/coar/cgi/draft-coar-cgi-v11-00.txt>
1020 for the definition and usage of these variables.
1021 The CGI Specification, and other associated documentation, should be
1023 consulted for general information on CGI script programming.
1024
1026 If configured and installed with Native Language Support, Lynx will
1027 display status and other messages in your local language. See the file
1028 ABOUT_NLS in the source distribution, or at your local GNU site, for
1029 more information about internationalization.
1030 The following environment variables may be used to alter default
1032 settings:
1033 LANG This variable, if set, will override the default
1035 message language. It is an ISO 639 two-letter code
1036 identifying the language. Language codes are NOT
1037 the same as the country codes given in ISO 3166.
1038 LANGUAGE This variable, if set, will override the default
1040 message language. This is a GNU extension that has
1041 higher priority for setting the message catalog
1042 than LANG or LC_ALL.
1043 LC_ALL and
1045 LC_MESSAGES These variables, if set, specify the notion of
1047 native language formatting style. They are POSIXly
1048 correct.
1049 LINGUAS This variable, if set prior to configuration,
1051 limits the installed languages to specific values.
1052 It is a space-separated list of two-letter codes.
1053 Currently, it is hard-coded to a wish list.
1054 NLSPATH This variable, if set, is used as the path prefix
1056 for message catalogs.
1057
1059 This is the Lynx v2.8.7 Release; development is in progress for 2.8.8.
1060 If you wish to contribute to the further development of Lynx, subscribe
1062 to our mailing list. Send email to <lynx-dev-request@nongnu.org> with
1063 "subscribe lynx-dev" as the only line in the body of your message.
1064 Send bug reports, comments, suggestions to <lynx-dev@nongnu.org> after
1066 subscribing.
1067 Unsubscribe by sending email to <lynx-dev-request@nongnu.org> with
1069 "unsubscribe lynx-dev" as the only line in the body of your message.
1070 Do not send the unsubscribe message to the lynx-dev list, itself.
1071
1073 catgets(3), curses(3), environ(7), execve(2), ftp(1), gettext(GNU),
1074 localeconv(3), ncurses(3), setlocale(3), slang(?), termcap(5),
1075 terminfo(5), wget(GNU)
1076 Note that man page availability and section numbering is somewhat plat‐
1078 form dependent, and may vary from the above references.
1079 A section shown as (GNU), is intended to denote that the topic may be
1081 available via an info page, instead of a man page (i.e., try "info sub‐
1082 ject", rather than "man subject").
1083 A section shown as (?) denotes that documentation on the topic exists,
1085 but is not part of an established documentation retrieval system (see
1086 the distribution files associated with the topic, or contact your Sys‐
1087 tem Administrator for further information).
1088
1090 Lynx has incorporated code from a variety of sources along the way.
1091 The earliest versions of Lynx included code from Earl Fogel of Comput‐
1092 ing Services at the University of Saskatchewan, who implemented HYPER‐
1093 REZ in the Unix environment. HYPERREZ was developed by Niel Larson of
1094 Think.com and served as the model for the early versions of Lynx.
1095 Those versions also incorporated libraries from the Unix Gopher clients
1096 developed at the University of Minnesota, and the later versions of
1097 Lynx rely on the WWW client library code developed by Tim Berners-Lee
1098 and the WWW community. Also a special thanks to Foteos Macrides who
1099 ported much of Lynx to VMS and did or organized most of its development
1100 since the departures of Lou Montulli and Garrett Blythe from the Uni‐
1101 versity of Kansas in the summer of 1994 through the release of v2.7.2,
1102 and to everyone on the net who has contributed to Lynx's development
1103 either directly (through patches, comments or bug reports) or indirect‐
1104 ly (through inspiration and development of other systems).
1105
1107 Lou Montulli, Garrett Blythe, Craig Lavender, Michael Grobe, Charles
1108 Rezac
1109 Academic Computing Services
1110 University of Kansas
1111 Lawrence, Kansas 66047
1112 Foteos Macrides
1114 Worcester Foundation for Biomedical Research
1115 Shrewsbury, Massachusetts 01545
1116 Thomas E. Dickey
1118 <dickey@invisible-island.net>
1119 LYNX(1)