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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><!-- **************************************************************************** * Copyright (c) 1998-2000,2003 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * **************************************************************************** * @Id: tset.1,v 1.13 2003/05/11 00:32:53 tom Exp @--><HTML><HEAD><TITLE>tset 1</TITLE><link rev=made href="mailto:bug-ncurses@gnu.org"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"></HEAD><BODY><H1>tset 1</H1><HR><PRE><!-- Manpage converted by man2html 3.0.1 --><STRONG><A HREF="tset.1.html">tset(1)</A></STRONG> <STRONG><A HREF="tset.1.html">tset(1)</A></STRONG></PRE><H2>NAME</H2><PRE> <STRONG>tset</STRONG>, <STRONG>reset</STRONG> - terminal initialization</PRE><H2>SYNOPSIS</H2><PRE> tset [-IQVqrs] [-] [-e <EM>ch</EM>] [-i <EM>ch</EM>] [-k <EM>ch</EM>] [-m <EM>mapping</EM>] [<EM>terminal</EM>] reset [-IQVqrs] [-] [-e <EM>ch</EM>] [-i <EM>ch</EM>] [-k <EM>ch</EM>] [-m <EM>mapping</EM>] [<EM>terminal</EM>]</PRE><H2>DESCRIPTION</H2><PRE> <STRONG>Tset</STRONG> initializes terminals. <STRONG>Tset</STRONG> first determines the type of terminal that you are using. This determination is done as follows, using the first terminal type found. 1. The <STRONG>terminal</STRONG> argument specified on the command line. 2. The value of the <STRONG>TERM</STRONG> environmental variable. 3. (BSD systems only.) The terminal type associated with the standard error output device in the <EM>/etc/ttys</EM> file. (On Linux and System-V-like UNIXes, <EM>getty</EM> does this job by setting <STRONG>TERM</STRONG> according to the type passed to it by <EM>/etc/inittab</EM>.) 4. The default terminal type, ``unknown''. If the terminal type was not specified on the command- line, the <STRONG>-m</STRONG> option mappings are then applied (see below for more information). Then, if the terminal type begins with a question mark (``?''), the user is prompted for confirmation of the terminal type. An empty response con- firms the type, or, another type can be entered to specify a new type. Once the terminal type has been determined, the terminfo entry for the terminal is retrieved. If no terminfo entry is found for the type, the user is prompted for another terminal type. Once the terminfo entry is retrieved, the window size, backspace, interrupt and line kill characters (among many other things) are set and the terminal and tab initializa- tion strings are sent to the standard error output. Finally, if the erase, interrupt and line kill characters have changed, or are not set to their default values, their values are displayed to the standard error output. When invoked as <STRONG>reset</STRONG>, <STRONG>tset</STRONG> sets cooked and echo modes, turns off cbreak and raw modes, turns on newline transla- tion and resets any unset special characters to their default values before doing the terminal initialization described above. This is useful after a program dies leaving a terminal in an abnormal state. Note, you may have to type <STRONG><LF>reset<LF></STRONG> (the line-feed character is normally control-J) to get the terminal to work, as carriage-return may no longer work in the abnormal state. Also, the terminal will often not echo the command. The options are as follows: <STRONG>-q</STRONG> The terminal type is displayed to the standard out- put, and the terminal is not initialized in any way. The option `-' by itself is equivalent but archaic. <STRONG>-e</STRONG> Set the erase character to <EM>ch</EM>. <STRONG>-I</STRONG> Do not send the terminal or tab initialization strings to the terminal. <STRONG>-Q</STRONG> Don't display any values for the erase, interrupt and line kill characters. <STRONG>-V</STRONG> reports the version of ncurses which was used in this program, and exits. <STRONG>-i</STRONG> Set the interrupt character to <EM>ch</EM>. <STRONG>-k</STRONG> Set the line kill character to <EM>ch</EM>. <STRONG>-m</STRONG> Specify a mapping from a port type to a terminal. See below for more information. <STRONG>-r</STRONG> Print the terminal type to the standard error output. <STRONG>-s</STRONG> Print the sequence of shell commands to initialize the environment variable <STRONG>TERM</STRONG> to the standard output. See the section below on setting the environment for details. The arguments for the <STRONG>-e</STRONG>, <STRONG>-i</STRONG>, and <STRONG>-k</STRONG> options may either be entered as actual characters or by using the `hat' nota- tion, i.e. control-h may be specified as ``^H'' or ``^h''.</PRE><H2>SETTING THE ENVIRONMENT</H2><PRE> It is often desirable to enter the terminal type and information about the terminal's capabilities into the shell's environment. This is done using the <STRONG>-s</STRONG> option. When the <STRONG>-s</STRONG> option is specified, the commands to enter the information into the shell's environment are written to⌨️ 快捷键说明
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